{"product_id":"27-99757-dry-joint-exhaust-manifold-gasket-kit-for-mercruiser-gm-v6","title":"27-99757 Dry-Joint Exhaust Manifold Gasket Kit for MerCruiser GM 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  \u003cdiv 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;\"\u003eMerCruiser GM V6 Dry-Joint Exhaust Manifold Gasket Repair Kit — Standard Cooling\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThis exhaust manifold gasket repair kit services MerCruiser GM V6 S.B. dry-joint exhaust systems configured for standard cooling, covering 2002–2004 setups with 7-degree dry-joint risers\/elbows and 2005–2010 setups with 14-degree dry-joint risers\/elbows. It brings together the manifold gaskets (reference 27-99757), both restricted-flow and full-flow dry-joint elbow gaskets (references 27-864850A02 and 27-864547A02), and drain plugs supplied with O-rings for V6 standard-cooling joint service.\u003c\/p\u003e\n  \u003c\/div\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;\"\u003eExhaust Joint Design\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eDry-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;\"\u003eCooling Configuration\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eStandard Cooling\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 Riser \/ Elbow Angle by Year\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e7-degree dry-joint riser\/elbow (2002–2004 configurations); 14-degree dry-joint riser\/elbow (2005–2010 configurations)\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;\"\u003eIncluded Elbow Gasket Flow Patterns\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003eRestricted-flow (restrictor) and full-flow dry-joint elbow gaskets\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 kit is configured for the MerCruiser GM V6 S.B. dry-joint, standard-cooling applications listed below. Check the installed exhaust-joint design, engine year, cooling configuration, and riser\/elbow angle rather than relying on “V6” alone, and match the restrictor or full-flow elbow gasket to the required flow pattern and reference number for each joint.\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 GM V6 S.B. Dry Joint (2002–2004)\u003c\/strong\u003e — Standard cooling; configured for use with 7-degree dry-joint riser\/elbow assemblies.\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      \u003cli style=\"margin:0;padding:17px 0;border-bottom:1px solid #dce3dc;\"\u003e\n        \u003cstrong\u003eMerCruiser GM V6 S.B. Dry Joint (2005–2010)\u003c\/strong\u003e — Standard cooling; configured for use with 14-degree dry-joint riser\/elbow assemblies.\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    \u003cdiv style=\"margin:18px 0 0;padding:14px 16px;border-left:3px solid #8c622b;background:#faf5e9;color:#59421f;\"\u003e\n      \u003ch3 style=\"margin:0 0 10px;color:#234d40;font-size:17px;line-height:1.5;font-weight:700;\"\u003eNot Suitable For\u003c\/h3\u003e\n      \u003cp style=\"margin:0;\"\u003eThis is the V6 standard-cooling version. Do not select it as an interchangeable V8, wet-joint, or closed-cooling kit based only on a shared individual gasket or drain plug reference number.\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;\"\u003eReference Numbers\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThe numbers below are public identification references associated with the individual components in this kit. They are provided to assist with part identification and do not by themselves guarantee full-kit interchangeability or indicate OEM manufacturer status.\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;\"\u003ePrimary Component OEM References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e27-99757, 864850A02, 864547A1\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;\"\u003eExhaust Manifold Gasket References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e\n            \u003cstrong\u003eMerCruiser Stern \/ Out Drive:\u003c\/strong\u003e 27-99757\u003cbr\u003e\n            \u003cstrong\u003eMercury Mariner:\u003c\/strong\u003e 27-99757\u003cbr\u003e\n            \u003cstrong\u003eGLM:\u003c\/strong\u003e 32170\u003cbr\u003e\n            \u003cstrong\u003eMallory:\u003c\/strong\u003e 9-61421\u003cbr\u003e\n            \u003cstrong\u003eSierra:\u003c\/strong\u003e 18-2909-9\n          \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;\"\u003eDry-Joint Elbow Gasket References (864850 Series)\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e\n            \u003cstrong\u003eMerCruiser Stern \/ Out Drive:\u003c\/strong\u003e 864850A02, 27-864850A02, 27-864850A1\u003cbr\u003e\n            \u003cstrong\u003eGLM:\u003c\/strong\u003e 37900\u003cbr\u003e\n            \u003cstrong\u003eSierra:\u003c\/strong\u003e 18-0722\n          \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;\"\u003eDry-Joint Elbow Gasket References (864547 Series)\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e\n            \u003cstrong\u003eMerCruiser Stern \/ Out Drive:\u003c\/strong\u003e 864547A1, 864547A02, 27-864547A02, 27-864547A1\u003cbr\u003e\n            \u003cstrong\u003eGLM:\u003c\/strong\u003e 37910\u003cbr\u003e\n            \u003cstrong\u003eSierra:\u003c\/strong\u003e 18-0721\n          \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;\"\u003eDrain Plug \u0026amp; O-Ring Component References\u003c\/th\u003e\n          \u003ctd style=\"padding:13px 0 13px 10px;border-bottom:1px solid #e0e5df;vertical-align:top;\"\u003e\n            \u003cstrong\u003eMerCruiser Stern \/ Out Drive:\u003c\/strong\u003e 806608, 806608A1, 806608A02, 806608Q01, 22-806608A1, 22-806608A02, 8M0103971, 8M0119211, 22-8M0119211\u003cbr\u003e\n            \u003cstrong\u003eMercury Mariner:\u003c\/strong\u003e 22806608Q01\u003cbr\u003e\n            \u003cstrong\u003eGLM:\u003c\/strong\u003e 13992\u003cbr\u003e\n            \u003cstrong\u003eMallory:\u003c\/strong\u003e 9-41203\u003cbr\u003e\n            \u003cstrong\u003eOBR Red Rhino:\u003c\/strong\u003e MR-511\u003cbr\u003e\n            \u003cstrong\u003eSierra:\u003c\/strong\u003e 18-4226\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;\"\u003e2 × Exhaust manifold gaskets\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003e2 × Restricted-flow dry-joint elbow gaskets\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003e2 × Full-flow dry-joint elbow gaskets\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003e2 × Drain plugs supplied with O-rings\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;\"\u003eAllow the engine and exhaust system to cool completely, shut off the water supply, and secure the ignition to prevent accidental starting before servicing the exhaust joints.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eDrain the exhaust manifolds and risers\/elbows, and support heavy cast components during removal and reassembly to prevent fastener damage or personal injury.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eClean all cylinder head, manifold, and dry-joint elbow mating surfaces thoroughly, taking care not to gouge or distort the sealing flats.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eDistinguish the restricted-flow (restrictor) dry-joint elbow gasket from the full-flow dry-joint elbow gasket by flow pattern and OEM reference number, and install the exact flow configuration specified by the engine manual for each joint.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eInspect the O-ring seats before installing the drain plugs with O-rings, and tighten all exhaust fasteners in the sequence and to the torque values specified in your service manual.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 12px;\"\u003eAfter reassembly and restoring cooling water supply, run the engine at idle and inspect all gasket joints and drain plugs for exhaust or water leaks; stop the engine immediately and inspect if leakage or overheating occurs.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003cdiv 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\/div\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 do the 7-degree and 14-degree references apply to this gasket kit?\u003c\/h3\u003e\n      \u003cp style=\"margin:0;\"\u003eThe 7-degree and 14-degree angles refer to the design of the dry-joint riser\/elbow used on the engine: the listed 2002–2004 MerCruiser GM V6 S.B. dry-joint configuration uses a 7-degree riser\/elbow, while the listed 2005–2010 configuration uses a 14-degree riser\/elbow under standard cooling.\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;\"\u003eWhy does the kit include two different types of dry-joint elbow gaskets?\u003c\/h3\u003e\n      \u003cp style=\"margin:0;\"\u003eThis kit supplies both restricted-flow (restrictor) and full-flow dry-joint elbow gaskets, corresponding to the 864850-series and 864547-series reference groups. Compare the water passage openings and required reference number for your specific standard-cooling joint location during installation.\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 use this kit on a V8, wet-joint, or closed-cooling engine if one of the reference numbers matches?\u003c\/h3\u003e\n      \u003cp style=\"margin:0;\"\u003eNo. Individual elbow gaskets or drain plugs may share reference numbers across multiple engine families, but this repair kit is assembled specifically for MerCruiser GM V6 S.B. dry-joint applications with standard cooling.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"Serdamarine","offers":[{"title":"Default Title","offer_id":45171991314483,"sku":"24MFK128-1GK","price":57.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/2930\/4115\/files\/marine-exhaust-part-7e9d75695dbf0ab8.png?v=1792755068","url":"https:\/\/serdamarine.com\/products\/27-99757-dry-joint-exhaust-manifold-gasket-kit-for-mercruiser-gm-v6","provider":"我的商店","version":"1.0","type":"link"}