{"title":"MerCruiser 215 \/ 225 \/ 225MIE \/ 888 · Ford 302 V8 Sterndrive — Wet Joint · Exhaust System","description":"\u003cdiv class=\"model-catalog\"\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/mercruiser-sterndrive\"\u003eBack to MerCruiser Sterndrive\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eMatch the application and restrictions below with your engine or drive before ordering.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eCatalog reference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/27-73866-exhaust-manifold-gasket-set-for-ford-302-351-v8-marine\"\u003e27-73866 Exhaust Manifold Gasket Set for Ford 302 \u0026amp; 351 V8 Marine\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eJoint: Wet Joint\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"catalog-reference\"\u003eCatalog parts list\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"27-73866-exhaust-manifold-gasket-set-for-ford-302-351-v8-marine","title":"27-73866 Exhaust Manifold Gasket Set for Ford 302 \u0026 351 V8 Marine","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 Pieces) for Ford 302 \u0026amp; 351 CID V8 Marine Applications\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThis two-piece replacement exhaust manifold gasket set services the exhaust manifold joint on specified MerCruiser, Volvo Penta, and OMC marine engines built on Ford 302 CID (5.0 L) and 351 CID (5.8 L) V8 blocks, referencing OEM part number 27-73866. It applies to listed MerCruiser 215–255 and 888 models, Volvo Penta 5.0\/5.8 L and Fi\/FSi applications from 1993 onward, and OMC 5.0, 5.8, and 351 EFI applications from 1991 onward.\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003eThis product is a gasket set only and does not include an exhaust manifold 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;\"\u003eEngine displacement (5.0 L or 5.8 L) alone is not sufficient to identify the correct exhaust manifold gasket. Verify that your engine matches the Ford 302 or 351 CID V8 block configuration, full model designation (including MIE, Fi\/FSi, or 351 EFI where applicable), and the open-ended year ranges listed below.\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 215, 225, 225MIE, 888\u003c\/strong\u003e — Ford 302 CID V8 (5.0 L) exhaust manifold applications.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: Confirm Ford 302 CID V8 block and exact model designation\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eMerCruiser 233, 233MIE, 255, 255MIE\u003c\/strong\u003e — Ford 351 CID V8 (5.8 L) exhaust manifold applications.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: Confirm Ford 351 CID V8 block and exact model designation\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 5.0 L \/ 5.8 L \u0026amp; Fi \/ FSi\u003c\/strong\u003e — Ford 302 \/ 351 CID V8 applications; Years: 1993 onward.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: Confirm Ford 302\/351 CID V8 block, 1993-onward production, and full Fi\/FSi designation\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eOMC 5.0, 5.8 \u0026amp; 351 EFI\u003c\/strong\u003e — Ford 302 \/ 351 CID V8 exhaust manifold applications; Years: 1991 onward.\n        \u003cspan style=\"display:block;margin:6px 0 0;color:#59421f;font-size:13px;font-weight:700;\"\u003eFits when specified: Confirm Ford 302\/351 CID V8 block, 1991-onward production, and exact 5.0, 5.8, or 351 EFI model designation\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 only; they do not by themselves guarantee interchangeability across every engine variation or indicate original manufacturer identity. Keep complete part numbers, including leading zeros and suffixes, when matching your existing gasket.\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;\"\u003e27-73866, 27-54566, 73866, 54566\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 Numbers\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e3852455, 3853742, 0908717, 0916262\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 Reference Numbers\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e3852455, 3853742, 908717, 916262, 0908717, 0916262\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;\"\u003ePleasurecraft (PCM \/ Crusader) Reference\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eRM0007\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 Reference Numbers\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eMallory 9-61420; Sierra 18-0183, 18-0183-1; GLM 33790\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cp style=\"margin:18px 0 0;padding:14px 16px;border-left:3px solid #8c622b;background:#faf5e9;color:#59421f;\"\u003eNote on suffixes: Both Sierra 18-0183 and 18-0183-1 appear in references for this gasket profile, but do not assume they represent identical package or sub-version specifications without checking your exact part requirement.\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;\"\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 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 and disconnected from starting power before beginning exhaust manifold service.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eSupport heavy exhaust manifolds properly during removal and installation to prevent fastener damage or personal injury.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eClean and inspect the cylinder head and exhaust manifold mating surfaces thoroughly, removing old gasket material and corrosion while protecting the sealing surfaces from gouges.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eCompare the port layout and bolt hole pattern of the new gaskets directly against the cylinder head and manifold mating surfaces before assembly.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eFollow the engine manufacturer's service manual for fastener tightening sequence, torque specifications, and post-installation inspection. If any exhaust leak or abnormal temperature occurs during operation, shut down the engine immediately and inspect the joint.\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;\"\u003eDoes this gasket set fit all MerCruiser, Volvo Penta, or OMC 5.0 L and 5.8 L engines?\u003c\/h3\u003e\n      \u003cp style=\"margin:0;\"\u003eNo. Marine 5.0 L and 5.8 L engines were produced on different base engine blocks depending on the year and manufacturer. This set applies only to the listed Ford 302 CID (5.0 L) and 351 CID (5.8 L) V8 applications—specifically MerCruiser 215, 225, 225MIE, 888, 233, 233MIE, 255, and 255MIE models; Volvo Penta 5.0\/5.8 L and Fi\/FSi Ford V8 models from 1993 onward; and OMC 5.0, 5.8, and 351 EFI Ford V8 models from 1991 onward.\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 set includes 2 exhaust manifold gaskets. It does not include exhaust manifolds, elbows, end caps, or mounting hardware.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"Serdamarine","offers":[{"title":"Default Title","offer_id":45171600850995,"sku":"24GK056*2","price":21.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/2930\/4115\/files\/marine-exhaust-part-31aeb0d4291defa3_41489843-d7f6-4af2-9926-9b402bbf30a8.png?v=1792750625"}],"url":"https:\/\/serdamarine.com\/collections\/mercruiser-215-225-225mie-888-ford-302-v8-sterndrive-wet-joint-exhaust-system.oembed","provider":"我的商店","version":"1.0","type":"link"}