{"title":"OMC 3.0L 181 CID Inline 4 Sterndrive","description":"\u003cdiv class=\"model-catalog\"\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/omc-sterndrive\"\u003eBack to OMC Sterndrive\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eSelect a model, production range or part section to narrow your search.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302amarj-sterndrive-1987-cooling-oiling\"\u003eOMC 302AMARJ Sterndrive — 1987 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302amary-sterndrive-1987-cooling-oiling\"\u003eOMC 302AMARY Sterndrive — 1987 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302amftc-sterndrive-1987-cooling-oiling\"\u003eOMC 302AMFTC Sterndrive — 1987 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302amkwb-sterndrive-1986-cooling-oiling\"\u003eOMC 302AMKWB Sterndrive — 1986 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302amrgdp-sterndrive-1988-cooling-oiling\"\u003eOMC 302AMRGDP Sterndrive — 1988 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302amrmed-sterndrive-1989-cooling-oiling\"\u003eOMC 302AMRMED Sterndrive — 1989 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302amrpwc-sterndrive-1990-cooling-and-oiling\"\u003eOMC 302AMRPWC Sterndrive — 1990 · Cooling And Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302apary-sterndrive-1987-cooling-oiling\"\u003eOMC 302APARY Sterndrive — 1987 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302apftc-sterndrive-1987-cooling-oiling\"\u003eOMC 302APFTC Sterndrive — 1987 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302apkwb-sterndrive-1986-cooling-oiling\"\u003eOMC 302APKWB Sterndrive — 1986 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302aprgdp-sterndrive-1988-cooling-oiling\"\u003eOMC 302APRGDP Sterndrive — 1988 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302aprmed-sterndrive-1989-cooling-oiling\"\u003eOMC 302APRMED Sterndrive — 1989 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302aprpwc-sterndrive-1990-cooling-and-oiling\"\u003eOMC 302APRPWC Sterndrive — 1990 · Cooling And Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302apsrc-sterndrive-1987-cooling-oiling\"\u003eOMC 302APSRC Sterndrive — 1987 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302arsry-sterndrive-1987-cooling-oiling\"\u003eOMC 302ARSRY Sterndrive — 1987 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302bmramh-sterndrive-1992\"\u003eOMC 302BMRAMH Sterndrive — 1992\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302bmramk-sterndrive-1992\"\u003eOMC 302BMRAMK Sterndrive — 1992\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302bmrjvb-sterndrive-1993-cooling-oiling\"\u003eOMC 302BMRJVB Sterndrive — 1993 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302bmrpwr-sterndrive-1990-cooling-oiling\"\u003eOMC 302BMRPWR Sterndrive — 1990 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302bmrpws-sterndrive-1990-cooling-oiling\"\u003eOMC 302BMRPWS Sterndrive — 1990 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302bmrrgd-sterndrive-1991\"\u003eOMC 302BMRRGD Sterndrive — 1991\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302bprpwr-sterndrive-1990-cooling-oiling\"\u003eOMC 302BPRPWR Sterndrive — 1990 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302bprpws-sterndrive-1990-cooling-oiling\"\u003eOMC 302BPRPWS Sterndrive — 1990 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302ccpmda-sterndrive-1994-cooling-oiling\"\u003eOMC 302CCPMDA Sterndrive — 1994 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cgpmda-sterndrive-1994-cooling-oiling\"\u003eOMC 302CGPMDA Sterndrive — 1994 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmbyc-sterndrive-1998-cooling-oiling\"\u003eOMC 302CMBYC Sterndrive — 1998 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmbym-sterndrive-1998-cooling-oiling\"\u003eOMC 302CMBYM Sterndrive — 1998 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmhub-sterndrive-1995-cooling-oiling\"\u003eOMC 302CMHUB Sterndrive — 1995 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmlkd-sterndrive-1997-cooling-oiling\"\u003eOMC 302CMLKD Sterndrive — 1997 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmnca-sterndrive-1996-cooling-oiling\"\u003eOMC 302CMNCA Sterndrive — 1996 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmncs-sterndrive\"\u003eOMC 302CMNCS Sterndrive\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmramh-sterndrive-1992\"\u003eOMC 302CMRAMH Sterndrive — 1992\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmramk-sterndrive-1992\"\u003eOMC 302CMRAMK Sterndrive — 1992\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmrjvb-sterndrive-1993-cooling-oiling\"\u003eOMC 302CMRJVB Sterndrive — 1993 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmrpwr-sterndrive-1990-cooling-oiling\"\u003eOMC 302CMRPWR Sterndrive — 1990 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmrpws-sterndrive-1990-cooling-oiling\"\u003eOMC 302CMRPWS Sterndrive — 1990 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cmrrgd-sterndrive-1991\"\u003eOMC 302CMRRGD Sterndrive — 1991\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cpbyc-sterndrive-1998-cooling-oiling\"\u003eOMC 302CPBYC Sterndrive — 1998 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cpbym-sterndrive-1998-cooling-oiling\"\u003eOMC 302CPBYM Sterndrive — 1998 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cphub-sterndrive-1995-cooling-oiling\"\u003eOMC 302CPHUB Sterndrive — 1995 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cplkd-sterndrive-1997-cooling-oiling\"\u003eOMC 302CPLKD Sterndrive — 1997 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cpnca-sterndrive\"\u003eOMC 302CPNCA Sterndrive\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cpncs-sterndrive\"\u003eOMC 302CPNCS Sterndrive\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cpramh-sterndrive-1992\"\u003eOMC 302CPRAMH Sterndrive — 1992\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cpramk-sterndrive-1992\"\u003eOMC 302CPRAMK Sterndrive — 1992\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cprjvb-sterndrive-1993-cooling-oiling\"\u003eOMC 302CPRJVB Sterndrive — 1993 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cprpwr-sterndrive-1990-cooling-oiling\"\u003eOMC 302CPRPWR Sterndrive — 1990 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cprpws-sterndrive-1990-cooling-oiling\"\u003eOMC 302CPRPWS Sterndrive — 1990 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302cprrgd-sterndrive-1991\"\u003eOMC 302CPRRGD Sterndrive — 1991\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302dcmmda-sterndrive-1994-cooling-oiling\"\u003eOMC 302DCMMDA Sterndrive — 1994 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302dgmmda-sterndrive-1994-cooling-oiling\"\u003eOMC 302DGMMDA Sterndrive — 1994 · Cooling \u0026amp; Oiling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302fphrcnc-sterndrive-1982\"\u003eOMC 302FPHRCNC Sterndrive — 1982\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302fphrcng-sterndrive-1982\"\u003eOMC 302FPHRCNG Sterndrive — 1982\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302fphrctr-sterndrive-1983\"\u003eOMC 302FPHRCTR Sterndrive — 1983\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302fthrcnc-sterndrive-1982\"\u003eOMC 302FTHRCNC Sterndrive — 1982\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302fthrcng-sterndrive-1982\"\u003eOMC 302FTHRCNG Sterndrive — 1982\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302fthrcom-sterndrive-1985\"\u003eOMC 302FTHRCOM Sterndrive — 1985\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302fthrcra-sterndrive-1984\"\u003eOMC 302FTHRCRA Sterndrive — 1984\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302fthrctr-sterndrive-1983\"\u003eOMC 302FTHRCTR Sterndrive — 1983\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sphrcnc-sterndrive-1982\"\u003eOMC 302SPHRCNC Sterndrive — 1982\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sphrcng-sterndrive-1982\"\u003eOMC 302SPHRCNG Sterndrive — 1982\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sphrcom-sterndrive-1985\"\u003eOMC 302SPHRCOM Sterndrive — 1985\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sphrcra-sterndrive-1984\"\u003eOMC 302SPHRCRA Sterndrive — 1984\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sphrctr-sterndrive-1983\"\u003eOMC 302SPHRCTR Sterndrive — 1983\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sthrcnc-sterndrive-1982-cooling-oiling-group-3-0-litre-models\"\u003eOMC 302STHRCNC Sterndrive — 1982 · COOLING \u0026amp; OILING GROUP 3.0 LITRE MODELS\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sthrcng-sterndrive-1982-cooling-oiling-group-3-0-liter-models\"\u003eOMC 302STHRCNG Sterndrive — 1982 · Cooling \u0026amp; Oiling Group 3.0 Liter Models\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sthrcom-sterndrive-1985-cooling-oiling-group-3-0-liter-models\"\u003eOMC 302STHRCOM Sterndrive — 1985 · Cooling \u0026amp; Oiling Group 3.0 Liter Models\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sthrcra-sterndrive-1984-cooling-oiling-group-3-0-litre-models\"\u003eOMC 302STHRCRA Sterndrive — 1984 · COOLING \u0026amp; OILING GROUP 3.0 LITRE MODELS\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-302sthrctr-sterndrive-1983-cooling-oiling-group-3-0-liter-models\"\u003eOMC 302STHRCTR Sterndrive — 1983 · Cooling \u0026amp; Oiling Group 3.0 Liter Models\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-990334c-sterndrive-1980\"\u003eOMC 990334C Sterndrive — 1980\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-990335c-sterndrive-1980\"\u003eOMC 990335C Sterndrive — 1980\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-990344c-sterndrive-1980\"\u003eOMC 990344C Sterndrive — 1980\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/omc-990345c-sterndrive-1980\"\u003eOMC 990345C Sterndrive — 1980\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMatch the model and any listed year, serial number and configuration before choosing a part.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"27-33395-exhaust-manifold-gasket-set-x2-for-mercruiser-v8","title":"27-33395 Exhaust Manifold Gasket Set (x2) for MerCruiser V8","description":"\u003cdiv style=\"width:100%;max-width:960px;margin:0 auto;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.75;color:#293a35;background:#ffffff;overflow-wrap:anywhere;\"\u003e\n  \u003csection style=\"padding:28px 24px;margin:0 0 40px;border-top:5px solid #234d40;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003cp style=\"margin:0 0 14px;color:#456052;font-size:12px;line-height:1.6;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;\"\u003eSERDAMARINE \/ MARINE EXHAUST PARTS\u003c\/p\u003e\n    \u003ch2 style=\"margin:0 0 18px;color:#203e32;font-family:Georgia,Times,serif;font-size:clamp(25px,4vw,34px);font-weight:400;line-height:1.25;\"\u003eExhaust Manifold Gasket Set (× 2) for V8 Marine Engines\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThis two-piece aftermarket exhaust manifold gasket set replaces gaskets referenced under MerCruiser 27-33395 on matching MerCruiser, Volvo Penta, and OMC Cobra V8 sterndrive applications. It is a manifold gasket set only, not an exhaust manifold assembly.\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003eThe supplied gaskets use an updated design for improved gas-tightness and sealing, so their visual appearance may differ from older-version photos found online.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eEngine Applications\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThis gasket set is intended for V8 marine exhaust manifold servicing across the sterndrive brands below. Select by your engine's required gasket part number and manifold configuration rather than relying on V8 cylinder count or older reference photos alone.\u003c\/p\u003e\n    \u003cul style=\"list-style:none;margin:0;padding:0;\"\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eMerCruiser Stern \/ Out Drive — V8 Engines\u003c\/strong\u003e\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: Exhaust manifold gasket applications matching the listed MerCruiser reference numbers\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eVolvo Penta Stern \/ Out Drive — V8 Engines\u003c\/strong\u003e\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: Exhaust manifold gasket applications matching the listed Volvo Penta reference numbers\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eOMC Cobra Stern \/ Out Drive — V8 Engines\u003c\/strong\u003e\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: Exhaust manifold gasket applications matching the listed OMC Cobra reference numbers\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eReference Numbers\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThe numbers below are provided for part identification and cross-reference. They do not indicate manufacturer identity or guarantee fitment for every V8 engine without matching the specific manifold configuration.\u003c\/p\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eMerCruiser Stern \/ Out Drive\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e27-33395, 27-33395A2, 8M2000819, 33395, 33395A1, 33395B, 879039\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eVolvo Penta\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e3852468, 835256, 835966, 856034, 856116\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eOMC Cobra Stern \/ Out Drive\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e96306, 096306, 0508556, 0508874, 0778149, 0908314, 0908485, 0909314, 0985630, 3852468\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eCrusader\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e96306\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eSierra (Aftermarket)\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e18-2902, 18-2949, 18-2949-9, 18-0872\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eGLM (Aftermarket)\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e31100, 31101\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eBARR (Aftermarket)\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eCHV-47-000\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eSupplied Parts\u003c\/h2\u003e\n    \u003cul style=\"margin:0;padding-left:22px;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eExhaust Manifold Gasket × 2 (two-piece gasket set)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eService \u0026amp; Installation Notes\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eGeneral service guidance only. Use the service manual for your exact engine and exhaust configuration.\u003c\/p\u003e\n    \u003col style=\"margin:0;padding-left:22px;list-style-type:decimal;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eShut down the engine, allow all exhaust components to cool completely, and disconnect the battery to prevent accidental starting during service.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eSupport the exhaust manifold securely while removing mounting fasteners so weight is not placed on adjacent hoses, fittings, or sealing surfaces.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eClean the cylinder head and manifold mating surfaces thoroughly, removing old gasket material and corrosion without gouging the metal.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eCompare the port layout and mounting holes of the new gaskets against the manifold and cylinder head, then install and tighten fasteners to the sequence and specification in your engine service manual.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eAfter reassembly, run the engine under normal operating conditions and inspect the manifold joint for any signs of exhaust gas leakage. Stop the engine immediately and inspect if abnormal noise, odor, or leakage occurs.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;padding:24px;border-top:1px solid #bdc9c0;border-bottom:1px solid #bdc9c0;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eThe Serdamarine Approach\u003c\/h2\u003e\n    \u003cp style=\"margin:0;\"\u003eExhaust parts need a configuration match. Serdamarine focuses on marine exhaust manifolds and their related service parts. Application details, connection requirements and public reference numbers are presented together to support part selection.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eQuestions Before Replacement\u003c\/h2\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eWhy does this gasket look different from some older photos online?\u003c\/h3\u003e\n      \u003cp style=\"margin:0;\"\u003eThis listing supplies the updated gasket version designed for improved gas-tightness and sealing. Its visual profile differs from older-version images, so compatibility should be matched by part number and current product photos rather than an older image.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eHow many gaskets are included in this listing?\u003c\/h3\u003e\n      \u003cp style=\"margin:0;\"\u003eThis is a two-piece set containing 2 exhaust manifold gaskets.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"Serdamarine","offers":[{"title":"Default Title","offer_id":45171574931507,"sku":"23GT301*2","price":19.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/2930\/4115\/files\/marine-exhaust-part-302d512fc9c3f501.png?v=1792750233"},{"product_id":"3850496-exhaust-elbow-riser-gasket-set-2-for-volvo-penta-omc","title":"3850496 Exhaust Elbow Riser Gasket Set (× 2) for Volvo Penta \u0026 OMC","description":"\u003cdiv style=\"width:100%;max-width:960px;margin:0 auto;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.75;color:#293a35;background:#ffffff;overflow-wrap:anywhere;\"\u003e\n  \u003csection style=\"padding:28px 24px;margin:0 0 40px;border-top:5px solid #234d40;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003cp style=\"margin:0 0 14px;color:#456052;font-size:12px;line-height:1.6;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;\"\u003eSERDAMARINE \/ MARINE EXHAUST PARTS\u003c\/p\u003e\n    \u003ch2 style=\"margin:0 0 18px;color:#203e32;font-family:Georgia,Times,serif;font-size:clamp(25px,4vw,34px);font-weight:400;line-height:1.25;\"\u003eExhaust Elbow Riser Gasket Set (× 2) for Volvo Penta \u0026amp; OMC 302 \/ 351 CID Ford\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThis two-piece aftermarket exhaust elbow and riser gasket set seals the joint between the exhaust manifold and the exhaust elbow\/riser on matching Volvo Penta Stern \/ Out Drive and OMC Cobra Stern \/ Out Drive applications, including Model 240HP with 302 and 351 CID Ford engines.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eReferenced against primary OEM number 3850496, this listing supplies the gasket set only and does not include the exhaust elbow or riser assembly.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eEngine Applications\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eUsed at the exhaust manifold-to-elbow\/riser joint on the Volvo Penta and OMC applications below when the engine configuration requires the matching gasket part number.\u003c\/p\u003e\n    \u003cul style=\"list-style:none;margin:0;padding:0;\"\u003e\n      \n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eOMC Cobra Stern \/ Out Drive — Model 240HP, 302 \u0026amp; 351 CID Ford\u003c\/strong\u003e\u003cbr\u003e\n        Application: Exhaust elbow \/ riser gasket at the exhaust manifold-to-elbow\/riser joint.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003ch3 style=\"font-size:17px;margin:20px 0 10px;color:#143b31;\"\u003eAdditional model-specific applications\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;line-height:1.7;\"\u003e\n\u003cli\u003eOMC Ford 302 CID; exhaust elbow gasket application. Application group: “Model 240HP, 302 \u0026amp; 351CID FORD.”\u003c\/li\u003e\n\u003cli\u003eOMC Ford 351 CID; exhaust elbow gasket application. Application group: “Model 240HP, 302 \u0026amp; 351CID FORD.”\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eReference Numbers\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThe numbers below are provided for part identification and cross-reference only; they do not by themselves establish universal interchangeability or original manufacturer identity.\u003c\/p\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eVolvo Penta OEM References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e3850496, 3863191\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eOMC OEM References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e3850496, 909786, 913783 (see identification note below regarding 913783 vs. 913784)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003ePrimary \u0026amp; Other OEM \/ Cross References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e0351325, 03850496, 03863191, 0765602, 0778055, 0909217, 0909786, 351325, 765602, 778055, 909217, 913784\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eMerCruiser Stern \/ Out Drive Reference\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e878995\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eSierra Aftermarket References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e18-0943, 18-0943-1, 18-0943-2, 18-0943-2-9, 18-1909-1\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eGLM Aftermarket Reference\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e33810\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eMallory Aftermarket Reference\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e9-61452\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eAdditional Aftermarket References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e18-4431, 9863-G\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cdiv style=\"margin:18px 0 0;padding:14px 16px;border-left:3px solid #8c622b;background:#faf5e9;color:#59421f;\"\u003e\n      Check the complete gasket number, including leading zeros and any suffix, and match your original part number and exact engine configuration before ordering. Do not assume 18-0943-1 and 18-0943-2 are interchangeable. If your parts list specifies 913783 or 913784, verify the exact final digit required for your setup.\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eSupplied Parts\u003c\/h2\u003e\n    \u003cul style=\"margin:0;padding-left:22px;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003e2 × Exhaust elbow \/ riser gasket\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eService \u0026amp; Installation Notes\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eGeneral service guidance only. Use the service manual for your exact engine and exhaust configuration.\u003c\/p\u003e\n    \u003col style=\"margin:0;padding-left:22px;list-style-type:decimal;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eEnsure the engine is completely cool and secured against accidental starting before loosening any exhaust elbow or riser fasteners.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eSupport the weight of the exhaust elbow or riser during removal and reinstallation, and protect both mating surfaces at the manifold-to-elbow\/riser joint from nicks or debris.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eCompare the new gaskets directly against the removed gaskets and mating passages to verify port alignment and orientation before tightening fasteners to the engine manufacturer's specifications.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eInspect the joint during initial operation; if any exhaust or water leak is observed, shut down the engine immediately and inspect the sealing surfaces.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;padding:24px;border-top:1px solid #bdc9c0;border-bottom:1px solid #bdc9c0;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eThe Serdamarine Approach\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eExhaust parts need a configuration match. Serdamarine focuses on marine exhaust manifolds and their related service parts. Application details, connection requirements and public reference numbers are presented together to support part selection.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eQuestions Before Replacement\u003c\/h2\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eDoes this listing include a gasket or a pair?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eThis listing is for a two-piece exhaust elbow\/riser gasket set (× 2). It does not include the exhaust elbow or riser casting.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eAre Sierra 18-0943-1 and 18-0943-2 or OMC 913783 and 913784 interchangeable?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eDo not assume 18-0943-1 and 18-0943-2 are interchangeable. Likewise, if your parts list calls for 913783 or 913784, note that the final digit differs and match the complete number including suffixes and leading zeros to your parts manual.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"Serdamarine","offers":[{"title":"Default Title","offer_id":45171576635443,"sku":"23GT313*2","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/2930\/4115\/files\/marine-exhaust-part-934ea1c8c10a6aed.png?v=1792750312"},{"product_id":"27-99757-exhaust-manifold-to-head-gasket-set-2-pc-for-mercruiser-v6","title":"27-99757 Exhaust Manifold-to-Head Gasket Set (2 Pc) for MerCruiser V6","description":"\u003cdiv style=\"width:100%;max-width:960px;margin:0 auto;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.75;color:#293a35;background:#ffffff;overflow-wrap:anywhere;\"\u003e\n  \u003csection style=\"padding:28px 24px;margin:0 0 40px;border-top:5px solid #234d40;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003cp style=\"margin:0 0 14px;color:#456052;font-size:12px;line-height:1.6;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;\"\u003eSERDAMARINE \/ MARINE EXHAUST PARTS\u003c\/p\u003e\n    \u003ch2 style=\"margin:0 0 18px;color:#203e32;font-family:Georgia,Times,serif;font-size:clamp(25px,4vw,34px);font-weight:400;line-height:1.25;\"\u003eExhaust Manifold-to-Cylinder Head Gasket Set, 2 Pieces\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThis two-piece aftermarket gasket set seals the exhaust manifold-to-cylinder head joint on specified MerCruiser, Volvo Penta, and OMC Cobra marine engine applications, including V6 4.3L and 4.5L engines referencing MerCruiser 27-99757.\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003eIt is designed specifically for the manifold-to-cylinder head mounting surface—not the exhaust elbow or riser joint—and covers listed GM V6 229\/262 CID (Model 175–205) and GM V6\/V8 small-block Dry Joint configurations (including 2002–2004 7° and 2005–2010 14° exhaust designs).\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eConfiguration \u0026amp; Specifications\u003c\/h2\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eSealing Location\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eExhaust manifold-to-cylinder head joint (not for the manifold-to-elbow or manifold-to-riser joint)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eAssociated Exhaust Configurations\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eStandard GM V6 (229\/262 CID) and GM V6 \u0026amp; V8 Small Block Dry Joint systems (7° design for 2002–2004; 14° design for 2005–2010)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003ePack Quantity\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e2 pieces\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eEngine Applications\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThis gasket set applies to the marine engine families and exhaust configurations listed below. Select this set by matching your engine's required manifold-to-cylinder head gasket part number, serial number range, and Dry Joint year\/angle configuration rather than relying on engine displacement alone.\u003c\/p\u003e\n    \u003cul style=\"list-style:none;margin:0;padding:0;\"\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eMerCruiser, Volvo Penta, and OMC Cobra Stern Drive — V6 4.3L \u0026amp; 4.5L Applications\u003c\/strong\u003e\u003cbr\u003e\n        For engines specifying the listed manifold-to-cylinder head gasket reference numbers.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: Must match the required engine-specific manifold-to-cylinder head gasket part number.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eModel 175-205 — V6, GM 229\/262 CID (1983 - 0M Serial Numbers)\u003c\/strong\u003e\u003cbr\u003e\n        Years: 1983 through 0M serial numbers.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: For GM 229\/262 CID V6 engines within the 1983 to 0M serial number range.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eChevy V6\u003c\/strong\u003e\u003cbr\u003e\n        Marine exhaust manifold-to-cylinder head joint applications referencing the listed part numbers.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: Must require one of the listed manifold-to-cylinder head gasket references.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eGM V6 \u0026amp; V8 Small Block — Dry Joint (2002–2004) - 7°\u003c\/strong\u003e\u003cbr\u003e\n        Years: 2002–2004. Exhaust Configuration: Dry Joint with 7° design angle.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: For 2002–2004 Dry Joint 7° configuration at the manifold-to-cylinder head joint.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eGM V6 \u0026amp; V8 Small Block — Dry Joint (2005–2010) - 14°\u003c\/strong\u003e\u003cbr\u003e\n        Years: 2005–2010. Exhaust Configuration: Dry Joint with 14° design angle.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: For 2005–2010 Dry Joint 14° configuration at the manifold-to-cylinder head joint.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eGM V6 \u0026amp; V8 Small Block — Dry Joint “Alternative” (0M Serial Numbers \u0026amp; Up)\u003c\/strong\u003e\u003cbr\u003e\n        Serial Number Range: 0M serial numbers and up. Exhaust Configuration: Dry Joint “Alternative”.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: For 0M and up serial numbers requiring the manifold-to-cylinder head gasket in Dry Joint exhaust systems.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003ch3 style=\"font-size:17px;margin:20px 0 10px;color:#143b31;\"\u003eAdditional model-specific applications\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;line-height:1.7;\"\u003e\u003cli\u003eOMC 4.3L — GM 262 CID, V6, from 1986 onward\u003c\/li\u003e\u003c\/ul\u003e\u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eReference Numbers\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThe numbers below are provided for part identification and cross-reference only; they do not alone guarantee interchangeability across all engine variations or indicate that this aftermarket set is produced by the original equipment manufacturer. Retain all leading zeros and suffixes when comparing part numbers.\u003c\/p\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eMerCruiser Stern \/ Out Drive\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e27-99757, 99757, 8M0215011\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eVolvo Penta\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e3853412, 841601, 856116\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eOMC \/ OMC Cobra Stern \/ Out Drive\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e0508630, 0778257, 0910157, 0915022, 0915025, 3852468, 3853412, 856116, 910157, 915025\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eCrusader\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e97498\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eYamaha Outboard \/ Marine\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eYSC-12190-00-AC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eAftermarket References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e\n            BARR: MC47-27-99757\u003cbr\u003e\n            GLM: 32170, GLM32170\u003cbr\u003e\n            Mallory: 9-61421, 9-61425\u003cbr\u003e\n            OBR Red Rhino: MR-506\u003cbr\u003e\n            Sierra: 18-2909-9, 18-2909\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eSupplied Parts\u003c\/h2\u003e\n    \u003cul style=\"margin:0;padding-left:22px;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eExhaust manifold-to-cylinder head gaskets (2 pieces)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eService \u0026amp; Installation Notes\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eGeneral service guidance only. Use the service manual for your exact engine and exhaust configuration.\u003c\/p\u003e\n    \u003col style=\"margin:0;padding-left:22px;list-style-type:decimal;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eEnsure the engine is completely cool, shut off, and secured against accidental starting before servicing the exhaust system.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eSupport the weight of the exhaust manifold during removal and installation to prevent damage to mounting bolts, studs, or cylinder head threads.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eClean and inspect the cylinder head and exhaust manifold mating surfaces, removing old gasket material and corrosion while protecting the sealing surfaces from gouges.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003ePosition the gaskets at the exhaust manifold-to-cylinder head joint and verify complete port alignment; do not use these gaskets at the manifold-to-elbow or manifold-to-riser joint.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eTighten the manifold mounting hardware following the sequence and specifications in your engine service manual, and inspect for exhaust leaks upon initial startup. Stop the engine immediately and inspect if any abnormal operation or leakage occurs.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;padding:24px;border-top:1px solid #bdc9c0;border-bottom:1px solid #bdc9c0;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eThe Serdamarine Approach\u003c\/h2\u003e\n    \u003cp style=\"margin:0;\"\u003eExhaust parts need a configuration match. Serdamarine focuses on marine exhaust manifolds and their related service parts. Application details, connection requirements and public reference numbers are presented together to support part selection.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eQuestions Before Replacement\u003c\/h2\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eCan these gaskets be used between the exhaust manifold and the exhaust elbow or riser?\u003c\/h3\u003e\n      \u003cp style=\"margin:0;\"\u003eNo. This set is strictly for the exhaust manifold-to-cylinder head sealing joint. Exhaust elbow or riser mounting gaskets are separate components with different port profiles and cannot be substituted at this joint.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eWhat do the 7° and 14° notes mean on the Dry Joint applications?\u003c\/h3\u003e\n      \u003cp style=\"margin:0;\"\u003eOn listed GM V6 and V8 Small Block Dry Joint exhaust systems, 7° refers to the 2002–2004 exhaust elbow design configuration and 14° refers to the 2005–2010 configuration. Distinguish your engine's production year, serial number (such as 0M and up), and Dry Joint setup when identifying exhaust system parts.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"Serdamarine","offers":[{"title":"Default Title","offer_id":45172011925555,"sku":"24GK055*2","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/2930\/4115\/files\/marine-exhaust-part-0a24da838871171b_325dcb19-21fa-4887-b44d-55f511d01f47.png?v=1792755274"},{"product_id":"0508561-exhaust-manifold-gasket-for-omc-cobra-140","title":"0508561 Exhaust Manifold Gasket for OMC Cobra 140","description":"\u003cdiv style=\"width:100%;max-width:960px;margin:0 auto;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.75;color:#293a35;background:#ffffff;overflow-wrap:anywhere;\"\u003e\n  \u003csection style=\"padding:28px 24px;margin:0 0 40px;border-top:5px solid #234d40;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003cp style=\"margin:0 0 14px;color:#456052;font-size:12px;line-height:1.6;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;\"\u003eSERDAMARINE \/ MARINE EXHAUST PARTS\u003c\/p\u003e\n    \u003ch2 style=\"margin:0 0 18px;color:#203e32;font-family:Georgia,Times,serif;font-size:clamp(25px,4vw,34px);font-weight:400;line-height:1.25;\"\u003e0508561 Exhaust Manifold Gasket for OMC Cobra 140\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eAftermarket exhaust manifold gasket referenced to OMC 0508561 for 140 HP, GM 181 CID \/ 3.0L four-cylinder applications from 1973 to 1990. Match the large-port manifold configuration associated with 0908079 \/ GLM 31570.\u003c\/p\u003e\u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eConfiguration \u0026amp; Specifications\u003c\/h2\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eInstallation Joint\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eExhaust manifold gasket position (manifold-to-cylinder head joint under MerCruiser 27-53354); not for exhaust elbow or manifold end-cap joints\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003ePort Configuration (OMC)\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eLarge-port version corresponding to OMC 908079 \/ GLM 31570 (distinct from the small-port 3853256 \/ GLM 33580 version)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eEngine Configuration\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e140 HP Inline 4-Cylinder, GM 181 CID (3.0L)\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eEngine Applications\u003c\/h2\u003e\n\u003cul style=\"padding-left:20px;line-height:1.75;\"\u003e\u003cli\u003eOMC Cobra Model 140, GM 181 CID \/ 3.0L, four-cylinder, 140 HP; 1973–1990; large-port manifold configuration.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eReference Numbers\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThe numbers below are provided as identification references for part selection and do not by themselves establish universal interchangeability or original manufacturer identity.\u003c\/p\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eMerCruiser OEM References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e27-53354, 53354, 802377\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eOMC \/ OMC Cobra OEM References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e0508561, 508561, 0778121, 0908079, 908079\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eAftermarket References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eGLM 31570, Mallory 9-61417, Sierra 18-2912, Sierra 18-2912-1\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eDifferent Specification Comparison (Not This Part)\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eOMC 3853256, GLM 33580 (separately listed small-port version for OMC applications)\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eSupplied Parts\u003c\/h2\u003e\n    \u003cul style=\"margin:0;padding-left:22px;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eExhaust manifold gasket\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp style=\"margin:18px 0 0;padding:14px 16px;border-left:3px solid #8c622b;background:#faf5e9;color:#59421f;\"\u003eThis listing is for the exhaust manifold gasket only, not a complete exhaust manifold assembly or a complete manifold repair kit.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eService \u0026amp; Installation Notes\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eGeneral service guidance only. Use the service manual for your exact engine and exhaust configuration.\u003c\/p\u003e\n    \u003col style=\"margin:0;padding-left:22px;list-style-type:decimal;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eAllow the engine and exhaust system to cool completely and secure the ignition to prevent accidental starting before loosening any fasteners.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eSupport the exhaust manifold while removing mounting hardware, and protect the cylinder head and manifold mating surfaces from nicks or gouges when cleaning away old gasket material.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eInstall this gasket at the exhaust manifold mounting position (such as the manifold-to-cylinder head joint identified by MerCruiser 27-53354); do not install it at the exhaust elbow or manifold end-cap joints.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eFollow the OEM service manual for fastener tightening sequence and torque specifications, and shut down the engine immediately for inspection if exhaust leaks or abnormal temperatures occur during initial operation.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;padding:24px;border-top:1px solid #bdc9c0;border-bottom:1px solid #bdc9c0;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eThe Serdamarine Approach\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eExhaust parts need a configuration match. Serdamarine focuses on marine exhaust manifolds and their related service parts. Application details, connection requirements and public reference numbers are presented together to support part selection.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eQuestions Before Replacement\u003c\/h2\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eHow is this gasket distinguished on OMC 140 HP 3.0L (181 CID) engines?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eFor OMC 140 HP 4-cylinder 181 CID \/ 3.0L GM applications (1973–1990), this gasket corresponds to the large-port reference 0908079 \/ 908079 (GLM 31570), which is distinct from the separately listed small-port reference 3853256 (GLM 33580).\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eCan this gasket be used for the exhaust elbow or manifold end caps on the same engine?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eNo. This part is solely for the exhaust manifold gasket position (identifying the manifold-to-cylinder head joint under MerCruiser 27-53354) and is not an exhaust elbow gasket, manifold end-cap gasket, or complete manifold repair kit.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"Serdamarine","offers":[{"title":"Default Title","offer_id":45172496957491,"sku":"24GK059","price":16.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/2930\/4115\/files\/marine-exhaust-part-b850ff156f7561aa_00f62a1a-f33e-4042-9e85-144e7f6afdbe.png?v=1792763637"},{"product_id":"0508878-exhaust-manifold-gasket-for-omc-cobra-7-4l-8-2l","title":"0508878 Exhaust Manifold Gasket for OMC Cobra 7.4L 8.2L","description":"\u003cdiv style=\"width:100%;max-width:960px;margin:0 auto;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.75;color:#293a35;background:#ffffff;overflow-wrap:anywhere;\"\u003e\n  \u003csection style=\"padding:28px 24px;margin:0 0 40px;border-top:5px solid #234d40;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003cp style=\"margin:0 0 14px;color:#456052;font-size:12px;line-height:1.6;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;\"\u003eSERDAMARINE \/ MARINE EXHAUST PARTS\u003c\/p\u003e\n    \u003ch2 style=\"margin:0 0 18px;color:#203e32;font-family:Georgia,Times,serif;font-size:clamp(25px,4vw,34px);font-weight:400;line-height:1.25;\"\u003e0508878 Exhaust Manifold Gasket for OMC Cobra 7.4L 8.2L\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eAftermarket exhaust manifold gasket referenced to OMC 0508878 for 7.4L \/ GM 454 and 8.2L \/ GM 502 V8 applications from 1991 onward. Other valid references include 0778127 and 0909613.\u003c\/p\u003e\u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eEngine Applications\u003c\/h2\u003e\n\u003cul style=\"padding-left:20px;line-height:1.75;\"\u003e\n\u003cli\u003eOMC Cobra 7.4L \/ GM 454 and 8.2L \/ GM 502 V8; 1991 onward; match the exhaust manifold sealing interface.\u003c\/li\u003e\n\u003cli\u003eChevrolet \/ Chevy 454 and 502 engine-base applications with the specified marine exhaust manifold.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eReference Numbers\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThe public part numbers below are provided as identification references and do not by themselves establish universal interchangeability or original-equipment manufacturer origin. Check the complete part number, including any prefix and A1 suffix, when comparing references.\u003c\/p\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eMerCruiser Reference Numbers\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e27-46820, 27-46820A1, 46820, 46820A1\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eVolvo Penta Reference Number\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e3852472\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eOMC Cobra Reference Numbers\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e0508878, 0778127, 0909613, 508878, 778127, 909613, 3852472\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eCrusader Reference Number\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e96653\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eSierra Aftermarket Reference\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e18-0418\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eGLM Aftermarket References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e33760, 37760\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eMallory Aftermarket Reference\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e9-61400\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cdiv style=\"margin:18px 0 0;padding:14px 16px;border-left:3px solid #8c622b;background:#faf5e9;color:#59421f;\"\u003e\n      Do not select solely by GLM 37760 without matching the exhaust-manifold reference and gasket shape. Sierra 18-0418 is associated with compatible manifold references 18-1957-2, 18-1982, 18-1929, 18-1933, and 18-1898; those five numbers identify exhaust manifolds rather than replacement gasket numbers.\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eSupplied Parts\u003c\/h2\u003e\n    \u003cul style=\"margin:0;padding-left:22px;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eExhaust manifold gasket\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eService \u0026amp; Installation Notes\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eGeneral service guidance only. Use the service manual for your exact engine and exhaust configuration.\u003c\/p\u003e\n    \u003col style=\"margin:0;padding-left:22px;list-style-type:decimal;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eEnsure the engine is completely shut off, cool to the touch, and secured against accidental starting before servicing any exhaust components.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eSupport heavy exhaust manifold castings during disassembly and reassembly, and clean both mating surfaces thoroughly without gouging the sealing faces.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eVerify the installation position and gasket orientation; an exhaust manifold gasket and an exhaust elbow\/riser gasket are separate parts. In a two-piece Ford 460-to-GM 454 manifold conversion arrangement, position this gasket between the adapter plate and the GM exhaust manifold.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eFollow your engine manufacturer's service manual for fastener tightening sequences and specifications. After reassembly, inspect the joint during initial operation and shut down immediately to inspect if any exhaust or cooling abnormality appears.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;padding:24px;border-top:1px solid #bdc9c0;border-bottom:1px solid #bdc9c0;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eThe Serdamarine Approach\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eExhaust parts need a configuration match. Serdamarine focuses on marine exhaust manifolds and their related service parts. Application details, connection requirements and public reference numbers are presented together to support part selection.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eQuestions Before Replacement\u003c\/h2\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eCan this gasket be used on any Ford 460 marine engine?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eNo. On Ford 460 installations, it applies only to the adapter-plate-to-GM-exhaust-manifold joint in a two-piece Ford 460-to-GM 454 manifold conversion assembly. It is not a standard cylinder-head-to-Ford-manifold gasket.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eWhat are Sierra numbers 18-1957-2, 18-1982, 18-1929, 18-1933, and 18-1898?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eThose are Sierra exhaust manifold part numbers associated with gasket reference 18-0418. They identify compatible exhaust manifolds rather than engine models or direct cross-reference numbers for the gasket itself.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eRelated Service Parts\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eSierra gasket reference 18-0418 is documented for use with Sierra exhaust manifold references \u003cstrong\u003e18-1957-2\u003c\/strong\u003e, \u003cstrong\u003e18-1982\u003c\/strong\u003e, \u003cstrong\u003e18-1929\u003c\/strong\u003e, \u003cstrong\u003e18-1933\u003c\/strong\u003e, and \u003cstrong\u003e18-1898\u003c\/strong\u003e. Exhaust manifolds and exhaust elbow\/riser gaskets are separate components and are not included with this gasket.\u003c\/p\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"Serdamarine","offers":[{"title":"Default Title","offer_id":45172498366515,"sku":"24GK058","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/2930\/4115\/files\/marine-exhaust-part-ac6ac11ab8c0ef7a_91568d19-d201-48ec-8259-ab7321e34397.jpg?v=1792763685"},{"product_id":"3850495-exhaust-elbow-gaskets-for-omc-cobra-2-pack","title":"3850495 Exhaust Elbow Gaskets for OMC Cobra - 2 Pack","description":"\u003cdiv style=\"width:100%;max-width:960px;margin:0 auto;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.75;color:#293a35;background:#ffffff;overflow-wrap:anywhere;\"\u003e\n  \u003csection style=\"padding:28px 24px;margin:0 0 40px;border-top:5px solid #234d40;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003cp style=\"margin:0 0 14px;color:#456052;font-size:12px;line-height:1.6;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;\"\u003eSERDAMARINE \/ MARINE EXHAUST PARTS\u003c\/p\u003e\n    \u003ch2 style=\"margin:0 0 18px;color:#203e32;font-family:Georgia,Times,serif;font-size:clamp(25px,4vw,34px);font-weight:400;line-height:1.25;\"\u003e3850495 Exhaust Elbow Gaskets for OMC Cobra - 2 Pack\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eTwo identical aftermarket exhaust elbow gaskets referenced to 3850495 for the listed OMC Cobra 2.5L and 3.0L applications. Each gasket serves the elbow-to-manifold joint.\u003c\/p\u003e\u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eEngine Applications\u003c\/h2\u003e\n\u003cul style=\"padding-left:20px;line-height:1.75;\"\u003e\u003cli\u003eOMC Cobra 2.5L and 3.0L exhaust elbow applications; 120, 140 and 165 CV application group. Match OEM 3850495 and the elbow joint configuration.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eReference Numbers\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThe numbers below are provided for part identification and cross-reference only; they do not imply manufacturer identity or guaranteed interchangeability across different exhaust configurations. Keep all leading zeros, prefixes, and suffixes when comparing your original gasket part number.\u003c\/p\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eOMC OEM References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e3850495, 908013\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eVolvo Penta OEM Reference\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e3850495\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003ePrimary OEM References (Unassigned Brand)\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e0778045, 0908013, 778045\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eMerCruiser Reference\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e802376\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eSierra Aftermarket References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e18-2875, 18-2875-1, 18-2875-1-9\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:13px 10px 13px 0;border-bottom:1px solid #e0e5df;vertical-align:top;text-align:left;font-size:14px;font-weight:700;color:#456052;\"\u003eGLM Aftermarket Reference\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e33770 (GLM33770)\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eSupplied Parts\u003c\/h2\u003e\n\u003cul style=\"padding-left:20px;line-height:1.75;\"\u003e\u003cli\u003e2 × Exhaust Elbow Gasket — identical gaskets with the same OEM reference: 3850495.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eService \u0026amp; Installation Notes\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eGeneral service guidance only. Use the service manual for your exact engine and exhaust configuration.\u003c\/p\u003e\n    \u003col style=\"margin:0;padding-left:22px;list-style-type:decimal;\"\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eEnsure the engine and exhaust system are completely cool, shut off the battery switch to prevent accidental starting, and support the exhaust elbow before loosening fasteners.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eRemove old gasket material and inspect the mating surfaces of the exhaust elbow joint for corrosion, pitting, or distortion without gouging the sealing faces.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eVerify that the port openings and bolt holes on the new gasket match the exhaust elbow joint arrangement on your engine.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003ePosition the gasket at the exhaust elbow joint and tighten the mounting fasteners according to the sequence and specifications in your engine service manual.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eInspect the joint during initial operation and stop the engine immediately if any exhaust or sealing abnormality is observed.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;padding:24px;border-top:1px solid #bdc9c0;border-bottom:1px solid #bdc9c0;background:#f5f3ec;box-sizing:border-box;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eThe Serdamarine Approach\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eExhaust parts need a configuration match. Serdamarine focuses on marine exhaust manifolds and their related service parts. Application details, connection requirements and public reference numbers are presented together to support part selection.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 40px;\"\u003e\n    \u003ch2 style=\"margin:0 0 18px;padding:0 0 10px;border-bottom:1px solid #bdc9c0;color:#234d40;font-family:Georgia,Times,serif;font-size:25px;font-weight:400;line-height:1.35;\"\u003eQuestions Before Replacement\u003c\/h2\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eWhere is this gasket installed on the exhaust system?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eIt installs at the exhaust elbow joint on specified OMC and Volvo Penta 2.5L and 3.0L (120, 140, 165CV) applications. It is an individual gasket component, not a complete exhaust manifold assembly.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin:0;padding:18px 0;border-bottom:1px solid #dce3dc;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eCan I select this gasket by engine displacement or output rating alone?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eNo. 2.5L and 3.0L (120, 140, 165CV) engines can use different exhaust elbow and manifold arrangements. Match the exact elbow-joint layout together with the complete OEM or aftermarket reference number, including any leading zeros or suffixes.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"Serdamarine","offers":[{"title":"Default Title","offer_id":45172505182259,"sku":"23GT318*2","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/2930\/4115\/files\/marine-exhaust-part-27e375206601fd18.jpg?v=1792763775"}],"url":"https:\/\/serdamarine.com\/collections\/omc-3-0l-181-cid-inline-4-sterndrive.oembed","provider":"我的商店","version":"1.0","type":"link"}