{"title":"MerCruiser 4-Stroke 255HP Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eThis page supports MerCruiser 4‑Stroke 255HP engines by helping you find compatible parts and practical service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main MerCruiser collection. Scroll to the bottom of this page to start browsing parts for this engine, and on the collection page use the Filter \u0026amp; Sort controls to narrow by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0a4;padding:10px 14px;border-radius:6px;text-decoration:none;\"\u003eBrowse All MerCruiser Parts\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\"\u003e\n  \u003ch2\u003eHow to Identify Your 255HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the serial plate: typically on the flame arrestor cover, starboard valve cover, or the transom assembly. The sterndrive serial is on the drive housing (Alpha\/Bravo).\u003c\/li\u003e\n    \u003cli\u003eModel\/serial details: the engine serial confirms year and configuration (e.g., 5.0L vs. 5.7L) and helps select ignition, fuel, and cooling parts.\u003c\/li\u003e\n    \u003cli\u003eDrive family: note whether your drive is Alpha One (Gen I\/Gen II) or Bravo (I\/II\/III); this affects water pump, anode, and gearcase service parts.\u003c\/li\u003e\n    \u003cli\u003e4‑Stroke platform cues: V8 small‑block MerCruiser engines (common around this power) may be carbureted or EFI; tune‑up and fuel system parts differ.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eV8 Small‑Block Sterndrive (Carbureted)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:960px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eGM‑based V8, 4‑stroke, carbureted; paired with Alpha One or Bravo sterndrives.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eTypical 5.0L\/5.7L MerCruiser carb V8 engines used in the ~255 HP class.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eStraightforward service; wide availability of ignition, fuel, and cooling parts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eUse engine serial to confirm carb, ignition style, and anode\/water pump compatibility by drive family.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eV8 Small‑Block Sterndrive (EFI)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:960px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eGM‑based V8, 4‑stroke, EFI\/TBI; typically on later Alpha or Bravo drives.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003e5.0L\/5.7L EFI variants in the same power range; ignition and fuel filters differ from carb versions.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eImproved cold start and mid‑range efficiency; electronic ignition components.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eConfirm serial to select the correct fuel filter (canister\/vapor‑separator) and ignition cap\/rotor style.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are typical guidelines for MerCruiser 4‑stroke sterndrive engines. Always follow the official service manual and local duty cycle conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;max-width:960px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEngine oil \u0026amp; filter\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eUse marine‑rated oil; change filter with every oil change.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-oil-filters\"\u003eMerCruiser Oil Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGear oil (drive)\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eInspect for water intrusion and metal; reseal if contaminated.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-service-maintenance-kits\"\u003eMerCruiser Service \u0026amp; Maintenance Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd\u003eInspect 100 hours; replace 200 hours\u003c\/td\u003e\n        \u003ctd\u003eGap to spec; replace sooner if fouled or misfire present.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eDrain\/replace more often in high‑moisture or storage conditions.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-fuel-filters\"\u003eMerCruiser Fuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eRaw‑water pump impeller\u003c\/td\u003e\n        \u003ctd\u003eEvery 2 seasons or 200 hours\u003c\/td\u003e\n        \u003ctd\u003eReplace sooner if overheat alarms or weak flow noted.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-impellers\"\u003eMerCruiser Impellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAnodes (corrosion protection)\u003c\/td\u003e\n        \u003ctd\u003eInspect monthly; replace at ≥50% wear\u003c\/td\u003e\n        \u003ctd\u003eMatch alloy to water type (salt, brackish, fresh).\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-anodes\"\u003eMerCruiser Anodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAccessory \/ serpentine belt\u003c\/td\u003e\n        \u003ctd\u003eInspect 100 hours\u003c\/td\u003e\n        \u003ctd\u003eReplace if glazing, cracking, or chirp; set correct tension.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/belt\"\u003eBelts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePropeller \u0026amp; hub hardware\u003c\/td\u003e\n        \u003ctd\u003eInspect every service\u003c\/td\u003e\n        \u003ctd\u003eRemove, grease shaft splines; check for fishing line at seals.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-propellers\"\u003eMerCruiser Propellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-service-maintenance-kits\"\u003eMerCruiser Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/water-pumps\"\u003eWater Pumps\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-fuel-filters\"\u003eMerCruiser Fuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-anodes\"\u003eMerCruiser Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGaskets \u0026amp; Seals: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-gaskets\"\u003eMerCruiser Gaskets\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hubs: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-propellers\"\u003eMerCruiser Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;max-width:960px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWeak water flow or overheat alarm\u003c\/td\u003e\n        \u003ctd\u003eInspect drive water intakes for blockage; verify raw‑water pump impeller and thermostat condition.\u003c\/td\u003e\n        \u003ctd\u003eWater pump kit, thermostat, intake screens\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd\u003eCheck propeller for damage\/cavitation; replace fuel filter; inspect spark plugs and ignition leads.\u003c\/td\u003e\n        \u003ctd\u003ePropeller\/hub, fuel filter, spark plugs, ignition components\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd\u003eDrain stale fuel; check water separator; verify plug gap and distributor\/coil connections.\u003c\/td\u003e\n        \u003ctd\u003eFuel filter\/water separator, spark plugs, ignition cap\/rotor\/coil\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGearcase noise or milky gear oil\u003c\/td\u003e\n        \u003ctd\u003eCheck gear lube level\/condition; pressure test for seal leaks; inspect prop shaft for fishing line.\u003c\/td\u003e\n        \u003ctd\u003eLower unit seal kit, bearings, gear lube\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eMany service parts are shared across model years, but ignition, fuel, and cooling components can vary by year and by drive family (Alpha One Gen I\/Gen II vs. Bravo). Always confirm by engine and drive serial numbers.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the raw‑water impeller?\u003c\/summary\u003e\n    \u003cp\u003eInspect annually and replace every 2 seasons or ~200 hours, or immediately if you see overheat alarms, weak water flow, or blade damage.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change the gear oil?\u003c\/summary\u003e\n    \u003cp\u003eTypically every 100 hours or annually, and any time the oil appears milky or contaminated. Reseal the gearcase if water intrusion is detected.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the engine serial number, drive family (Alpha One Gen I\/II or Bravo model), fuel system type (carb\/EFI), and any known year or displacement (e.g., 5.0L or 5.7L). Photos of the nameplate and the part being replaced are also helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eReady to find parts? Browse the main MerCruiser collection and narrow by horsepower, year, and model using the Filter \u0026amp; Sort controls.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0a4;border-radius:6px;text-decoration:none;\"\u003eBrowse All MerCruiser Parts\u003c\/a\u003e\u003c\/p\u003e\n  \u003cp style=\"font-size:0.95em;color:#333;\"\u003eIf you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"mechanical-fuel-pump-fits-mercruiser-omc-volvo-penta-ford-302-engines-replaces-62092t","title":"Mechanical Fuel Pump – Fits Mercruiser\/OMC\/Volvo Penta Ford 302 Engines (Replaces 62092T)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eMechanical Fuel Pump – Fits Mercruiser\/OMC\/Volvo Penta Ford 302 Engines (Replaces 62092T)\u003c\/strong\u003e is designed for Ford 302 V-8 marine engines used in Mercruiser, OMC, and Volvo Penta applications from approximately 1970 to 1977. It ensures reliable fuel delivery for consistent engine performance.\u003c\/p\u003e\n\u003cp\u003eThis part is a direct replacement for Mercruiser 62092T and AVEL CARM73039.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstallation: Engine-mounted\u003c\/li\u003e\n  \u003cli\u003eFuel Type: Gasoline\u003c\/li\u003e\n  \u003cli\u003eMechanism: Mechanical (diaphragm) type\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e62092T\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAVEL\u003c\/td\u003e\n        \u003ctd\u003eCARM73039\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eFor Mercruiser models, check your serial number to ensure it falls within the specified range for a correct match.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e215 (Ford)\u003c\/td\u003e\n        \u003ctd\u003e215\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1970–1972\u003c\/td\u003e\n        \u003ctd\u003e62092T\u003c\/td\u003e\n        \u003ctd\u003eSerial #2781153-3563181\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225 (Ford)\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e62092T\u003c\/td\u003e\n        \u003ctd\u003eSerial #3385721-4166999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e888 (Ford)\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1971–1977\u003c\/td\u003e\n        \u003ctd\u003e62092T\u003c\/td\u003e\n        \u003ctd\u003eSerial #3108723-4887829\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e233 (Ford)\u003c\/td\u003e\n        \u003ctd\u003e233\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1977\u003c\/td\u003e\n        \u003ctd\u003e62092T\u003c\/td\u003e\n        \u003ctd\u003eSerial #4173000-4902304\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e255 (Ford)\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e62092T\u003c\/td\u003e\n        \u003ctd\u003eSerial #3258728-4175499\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eFord 302 Applications\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC\u003c\/td\u003e\n        \u003ctd\u003eFord 302 Applications\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eMechanical Fuel Pump\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eEngine-mounted\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eSilver\/Aluminum\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e25.5cm x 11.5cm x 11.5cm\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eMechanical (diaphragm) type\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Mechanical Fuel Pump (62092T)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the vessel's battery and ensure the engine is cool.\u003c\/li\u003e\n  \u003cli\u003eSafely relieve any pressure from the fuel system. Place rags under the fuel pump to catch spills.\u003c\/li\u003e\n  \u003cli\u003eCarefully disconnect the fuel inlet and outlet lines from the pump.\u003c\/li\u003e\n  \u003cli\u003eRemove the mounting bolts securing the old pump to the engine block.\u003c\/li\u003e\n  \u003cli\u003eGently remove the old pump and its gasket. Clean the mounting surface on the engine, ensuring no old gasket material remains.\u003c\/li\u003e\n  \u003cli\u003ePosition the new gasket and fuel pump, ensuring the pump lever is correctly aligned with the camshaft lobe.\u003c\/li\u003e\n  \u003cli\u003eSecure the new pump with the mounting bolts, tightening them to the manufacturer's specified torque. Do not overtighten.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel lines securely.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery, prime the fuel system if necessary, and check for leaks before starting the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this fuel pump fits my engine?\u003c\/summary\u003e\u003cp\u003eThis pump is for Ford 302 V-8 marine engines from 1970–1977. The most reliable way to confirm fitment is by matching your old part number to the references (Mercruiser 62092T) or by checking your engine model and serial number against the compatibility table. Visual comparison is also critical.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are common signs of a failing mechanical fuel pump?\u003c\/summary\u003e\u003cp\u003eSymptoms of a bad fuel pump include engine sputtering, loss of power, hesitation during acceleration, difficulty starting, and stalling. You might also notice fuel leaking from the pump's weep hole, which indicates a diaphragm failure.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between this and the OEM part?\u003c\/summary\u003e\u003cp\u003eThis is an aftermarket component designed to meet or exceed original equipment manufacturer (OEM) specifications for fit, form, and function. It offers a cost-effective solution without compromising on quality or performance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat maintenance does this fuel pump require?\u003c\/summary\u003e\u003cp\u003eMechanical fuel pumps are generally maintenance-free. However, regular inspection for leaks and ensuring the fuel system uses clean, quality fuel and filters will extend the pump's service life.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50587184693563,"sku":"62092T","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/62092T_34f74b3e-97cd-4ed5-985a-1267db6b194f.jpg?v=1757934191"},{"product_id":"mercury-marine-exhaust-elbow-gasket-fits-mercruiser-v8-engines-replaces-27-48042","title":"Mercury Marine Exhaust Elbow Gasket – Fits MerCruiser V8 Engines (Replaces 27-48042)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis is a high-quality aftermarket \u003cstrong\u003eMercury Marine Exhaust Elbow Gasket\u003c\/strong\u003e designed for the exhaust elbow-to-manifold connection on a wide range of MerCruiser GM V8 engines, including 305, 327, 350, 427, 454, and 482 CID models from 1968 to 1986. It provides a reliable seal for raw water cooled (RWC) systems.\u003c\/p\u003e\n\u003cp\u003eThis part directly replaces Mercury Marine 27-48042, Sierra Marine 18-0885, and Barr Marine MC47-27-48042, ensuring broad compatibility for maintenance and repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstallation Type: Bolt-on with a rectangular pattern.\u003c\/li\u003e\n  \u003cli\u003eEngine Application: Designed for select MerCruiser GM V8 gasoline engines.\u003c\/li\u003e\n  \u003cli\u003eCooling System: Compatible with Raw Water Cooled (RWC) systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Cross-Reference\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Marine\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra Marine\u003c\/td\u003e\n        \u003ctd\u003e18-0885\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eBarr Marine\u003c\/td\u003e\n        \u003ctd\u003eMC47-27-48042\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model and year in the table below to ensure accurate fitment.\u003c\/p\u003e\n\u003cp\u003eThis gasket fits a variety of V8 engines under the Mercury MerCruiser brand. Please check your model and serial number against the listed ranges.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Compatible MerCruiser Engine Models\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eEngine\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e198 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 305 V8\u003c\/td\u003e\n        \u003ctd\u003e198\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4776402–4931099\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003eGM 327 V8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1968–1969\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2399398–2694014\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e225 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 327 V8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1968–1969\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2399398–2694014\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e228\u003c\/td\u003e\n        \u003ctd\u003eGM 305 V8\u003c\/td\u003e\n        \u003ctd\u003e228\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977–1982\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4765100–6218461\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e228 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 305 V8\u003c\/td\u003e\n        \u003ctd\u003e228\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977–1980\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4765100–5907057\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e228 TR\u003c\/td\u003e\n        \u003ctd\u003eGM 305 V8\u003c\/td\u003e\n        \u003ctd\u003e228\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4765100–4888929\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003eGM 327 V8\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1968–1969\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2314301–2639854\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003eGM 350 V8\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4768000–4908849\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e250 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 327 V8\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1968–1969\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2314301–2639854\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003eGM 350 V8\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1976\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4175500–4499060\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e255 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 350 V8\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1976\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4175500–4499060\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e270\u003c\/td\u003e\n        \u003ctd\u003eGM 350 V8\u003c\/td\u003e\n        \u003ctd\u003e270\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1969–1972\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2851074–3385720\u003c\/td\u003e\n      \u003c\/tr\u003e\n        \u003ctr\u003e\n        \u003ctd\u003e270 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 350 V8\u003c\/td\u003e\n        \u003ctd\u003e270\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1969–1972\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2851074–3077735\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e280 TRS\u003c\/td\u003e\n        \u003ctd\u003eGM 350 V8\u003c\/td\u003e\n        \u003ctd\u003e280\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1976\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4176250–4770199\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e300 TEMPEST\u003c\/td\u003e\n        \u003ctd\u003eGM 350 V8\u003c\/td\u003e\n        \u003ctd\u003e300\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1985–1986\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 6668677–0B430367\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e325\u003c\/td\u003e\n        \u003ctd\u003eGM 427 V8\u003c\/td\u003e\n        \u003ctd\u003e325\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1968–1974\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2313965–3780449\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e325 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 427 V8\u003c\/td\u003e\n        \u003ctd\u003e325\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1968–1974\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2313965–3780449\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e330\u003c\/td\u003e\n        \u003ctd\u003eGM 454 V8\u003c\/td\u003e\n        \u003ctd\u003e330\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977–1981\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4623115–6083144\u003c\/td\u003e\n      \u003c\/tr\u003e\n\u003ctr\u003e\n        \u003ctd\u003e330 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 454 V8\u003c\/td\u003e\n        \u003ctd\u003e330\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977–1981\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4623115–6083144\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e350 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 454 V8\u003c\/td\u003e\n        \u003ctd\u003e350\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1974–1976\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 3780450–4623109\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e370 TRS\u003c\/td\u003e\n        \u003ctd\u003eGM 454 V8\u003c\/td\u003e\n        \u003ctd\u003e370\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1978–1985\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4179554–6721527\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e390\u003c\/td\u003e\n        \u003ctd\u003eGM 482 V8\u003c\/td\u003e\n        \u003ctd\u003e390\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1969–1970\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2781129–2825059\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e390 MIE\u003c\/td\u003e\n        \u003ctd\u003eGM 482 V8\u003c\/td\u003e\n        \u003ctd\u003e390\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1969–1970\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 2781129–2825059\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e400 TRS\u003c\/td\u003e\n        \u003ctd\u003eGM 454 V8\u003c\/td\u003e\n        \u003ctd\u003e400\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1980–1986\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4179554–0B457644\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e440 TRS\u003c\/td\u003e\n        \u003ctd\u003eGM 454 V8\u003c\/td\u003e\n        \u003ctd\u003e440\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1983–1986\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4179554–0B485220\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e460 TRS\u003c\/td\u003e\n        \u003ctd\u003eGM 482 V8\u003c\/td\u003e\n        \u003ctd\u003e460\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1983–1986\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4179554–6181046\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e898\u003c\/td\u003e\n        \u003ctd\u003eGM 305 V8\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977–1982\u003c\/td\u003e\n        \u003ctd\u003e27-48042\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 4762210–6218461\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eExhaust Elbow Gasket\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eExhaust Elbow to Manifold\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eRaw Water Cooled (RWC) systems\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eComposite\u003c\/dd\u003e\n  \u003cdt\u003eBolt Pattern\u003c\/dt\u003e\n\u003cdd\u003eRectangular\u003c\/dd\u003e\n  \u003cdt\u003eBolt Centers\u003c\/dt\u003e\n\u003cdd\u003e2-3\/4\" x 4-1\/2\"\u003c\/dd\u003e\n  \u003cdt\u003eProduct Dimensions\u003c\/dt\u003e\n\u003cdd\u003e6.0\" H x 11.25\" W x 1.25\" L\u003c\/dd\u003e\n  \u003cdt\u003eOEM Reference\u003c\/dt\u003e\n\u003cdd\u003eMercury Marine 27-48042\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003ePackage contents may vary based on the brand selected:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Exhaust Elbow Gasket (Mercury OEM equivalent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2 x\u003c\/span\u003e Exhaust Elbow Gaskets (Barr Marine equivalent)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eEnsure the engine is completely cool before beginning work.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery to prevent accidental starting.\u003c\/li\u003e\n  \u003cli\u003eDrain the engine block and exhaust manifold of water.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the exhaust hose connected to the elbow.\u003c\/li\u003e\n  \u003cli\u003eUnbolt and remove the exhaust elbow from the manifold. Note the orientation of the bolts.\u003c\/li\u003e\n  \u003cli\u003eThoroughly clean both mating surfaces of the manifold and elbow, removing all old gasket material and corrosion.\u003c\/li\u003e\n  \u003cli\u003ePlace the new gasket onto the manifold, aligning the bolt holes. Do not use any sealant unless specified by the engine manufacturer.\u003c\/li\u003e\n  \u003cli\u003eReinstall the exhaust elbow and tighten the bolts to the manufacturer's recommended torque specifications and sequence.\u003c\/li\u003e\n  \u003cli\u003eReconnect the exhaust hose and any other disconnected components.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery, refill the cooling system, and check for leaks after starting the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if this gasket will fit my MerCruiser engine?\u003c\/summary\u003e\n  \u003cp\u003eThe best way is to verify your engine model and serial number against the compatibility table provided on this page. This gasket is designed for specific MerCruiser GM V8 engines from 1968–1986. Always cross-reference the OEM part number (27-48042) with your service manual.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a bad exhaust elbow gasket?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms include water leaking externally from the joint between the elbow and manifold, steam or water in the engine bay, engine overheating, or in severe cases, water intrusion into the engine cylinders (hydrolock). Visual inspection for rust streaks or water drips around the gasket area is a key indicator.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this gasket for raw water or freshwater cooled systems?\u003c\/summary\u003e\n  \u003cp\u003eThis gasket is specified for use in Raw Water Cooled (RWC) systems, where seawater or lake water circulates directly through the engine and exhaust components.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should this gasket be replaced?\u003c\/summary\u003e\n  \u003cp\u003eReplacement interval depends on usage and environment (saltwater vs. freshwater). It's typically recommended to inspect exhaust components annually and replace gaskets whenever the exhaust elbow or manifold is removed for service or inspection, or every 3-5 years as preventative maintenance in saltwater environments.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I reuse my old bolts when installing the new gasket?\u003c\/summary\u003e\n  \u003cp\u003eIt is strongly recommended to use new bolts, especially if the old ones show any signs of corrosion, rust, or thread damage. Corroded bolts may not torque correctly, leading to a poor seal and potential leaks.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eThe package from one brand has two gaskets, but I only need one. Why?\u003c\/summary\u003e\n  \u003cp\u003eSome V8 engines require two exhaust elbows, one for each cylinder bank. Aftermarket brands like Barr Marine often package gaskets in pairs for convenience, allowing you to service both sides of the engine at once.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images and specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50590214455611,"sku":"27-48042","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/27-48042_43368427-1009-4d71-9fe9-bc5590624fcf.jpg?v=1758080300"},{"product_id":"thermostat-housing-gasket-fits-mercury-mercruiser-ford-v8-engines-replaces-27-54506","title":"Thermostat Housing Gasket – Fits Mercury Mercruiser Ford V8 Engines (Replaces 27-54506)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eThermostat Housing Gasket – Fits Mercury Mercruiser Ford V8 Engines (Replaces 27-54506)\u003c\/strong\u003e is designed for a precise fit on Mercury Mercruiser Ford V8 302\/351 engines from 1970–1977. It creates a reliable seal specifically for raw water cooled applications, preventing coolant leaks and ensuring proper engine operating temperature.\u003c\/p\u003e\n\u003cp\u003eThis gasket serves as a direct replacement for Mercury Marine 27-54506, Sierra 18-0349, and PCM RM0001, offering a reliable interchange for multiple part numbers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstalls between the lower thermostat housing and the engine intake manifold.\u003c\/li\u003e\n  \u003cli\u003eEngineered specifically for raw water (seawater) cooling systems.\u003c\/li\u003e\n  \u003cli\u003eIncludes one gasket for a complete replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Marine\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-0349\u003c\/td\u003e\n      \u003c\/tr\u003e\n        \u003ctr\u003e\n        \u003ctd\u003ePCM\u003c\/td\u003e\n        \u003ctd\u003eRM0001\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eFor Mercruiser models, verify your engine's serial number falls within the specified range for a guaranteed match.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e215 (4 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e215\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1970–1972\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #2781153 through #3395720\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e215 MIE FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e215\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1970–1972\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #2781153 through #3563181\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225 (4 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #3385721 through #4166999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225 MIE FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #3385721 through #4176999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225-S (4 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #3385721 through #4166999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e233 FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e233\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1977\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #4173000 through #4902304\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e233 MIE FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e233\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1976\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #4173000 through #4775784\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e255 FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #3258728 through #4175499\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e255 MIE FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #3258728 through #4178299\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e888 (2 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e188\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1971–1977\u003c\/td\u003e\n        \u003ctd\u003e27-54506\u003c\/td\u003e\n        \u003ctd\u003eSerial #3108723 and up\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eThermostat Housing Gasket\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eFits between lower thermostat housing and engine intake manifold\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eGasket Material\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e11.5 × 11.0 × 0.1 inches\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.01 lbs (4.5 g)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFor raw water cooled applications only\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 ×\u003c\/span\u003e Thermostat Housing Gasket (27-54506)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the vessel's battery and ensure the engine is completely cool.\u003c\/li\u003e\n  \u003cli\u003eDrain the engine block's cooling system to a level below the thermostat housing.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the bolts securing the thermostat housing, and detach any connected hoses.\u003c\/li\u003e\n  \u003cli\u003eRemove the old housing and gasket. Thoroughly clean both mating surfaces on the housing and the intake manifold, ensuring they are free of old gasket material, sealant, and corrosion.\u003c\/li\u003e\n  \u003cli\u003ePosition the new gasket onto the manifold, aligning it with the bolt holes.\u003c\/li\u003e\n  \u003cli\u003ePlace the thermostat housing over the gasket, re-insert the bolts, and tighten them to the manufacturer's specified torque in a star or crisscross pattern.\u003c\/li\u003e\n  \u003cli\u003eReconnect hoses, refill the cooling system with the appropriate coolant, and check for leaks.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery, then run the engine and monitor for any leaks or overheating issues.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my thermostat housing gasket is failing?\u003c\/summary\u003e\n  \u003cp\u003eSigns of a failing gasket include visible coolant leaks around the thermostat housing, engine overheating, or a low coolant level warning. You may also notice white steam or a sweet smell from the engine compartment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I reuse my old gasket after removing the housing?\u003c\/summary\u003e\n  \u003cp\u003eNo. Gaskets are designed for one-time use. They compress and deform to create a seal, and once removed, they will not seal properly again, leading to leaks. Always replace the gasket whenever the thermostat housing is removed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs any sealant required for this gasket?\u003c\/summary\u003e\n  \u003cp\u003eMost modern gaskets of this type are designed to be installed dry. However, always consult your engine's service manual. If sealant is recommended, use only the specified type and apply it sparingly to avoid blocking coolant passages.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat does \"for raw water cooled applications only\" mean?\u003c\/summary\u003e\n  \u003cp\u003eThis means the gasket material is formulated to withstand direct exposure to seawater or lake water used for engine cooling. It is not intended for \"closed cooling\" systems that use a treated antifreeze mixture.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the difference between this aftermarket gasket and an OEM one?\u003c\/summary\u003e\n  \u003cp\u003eThis aftermarket gasket is engineered to meet or exceed OEM specifications for fit, form, and function. While the exact material composition may differ slightly, it is designed to provide a comparable seal and service life under the same operating conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should this gasket be replaced?\u003c\/summary\u003e\n  \u003cp\u003eThe gasket should be replaced any time the thermostat is serviced or the housing is removed. There is no fixed replacement interval, but it's good practice to inspect it for leaks during routine engine maintenance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50590214979899,"sku":"27-54506","price":7.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/27-54506_76bda95d-3202-4fe0-bd0a-c7ecaa7538b0.jpg?v=1758080314"},{"product_id":"timing-cover-gasket-fits-mercury-marine-mercruiser-ford-v8-engines-replaces-27-56108","title":"Timing Cover Gasket – Fits Mercury Marine\/Mercruiser Ford V8 Engines (Replaces 27-56108)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis replacement \u003cstrong\u003eTiming Cover Gasket – Fits Mercury Marine\/Mercruiser Ford V8 Engines (Replaces 27-56108)\u003c\/strong\u003e is designed for Mercruiser inboard engines with Ford V8 302 and 351 cubic inch powerplants manufactured from 1970–1977. It ensures a precise seal for the engine's timing chain cover assembly.\u003c\/p\u003e\n\u003cp\u003eThis gasket provides a direct interchange for Mercury part numbers 27-56108 and 56108, and Quicksilver 27-56108. It is manufactured from high-quality paper\/fiber gasket material to meet OEM factory specifications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls on the engine timing chain cover.\u003c\/li\u003e\n\u003cli\u003eDesigned for gasoline-fueled marine engines.\u003c\/li\u003e\n\u003cli\u003eEngineered to prevent oil and coolant leaks from the front of the engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e56108\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eQuicksilver\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eThis gasket is compatible with specific Mercruiser sterndrive and inboard (MIE) models equipped with Ford V8 engines. Please check your engine's serial number to ensure an exact match.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e215 (4 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e215\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1970–1972\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 2781153-3395720\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e215 MIE FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e215\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1970–1972\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 2781153-3563181\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225 (4 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 3385721-4166999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225 MIE FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 3385721-4176999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225-S (4 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 3385721-4166999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e233 FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e233\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1977\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 4173000-4902304\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e233 MIE FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e233\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1976\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 4173000-4775784\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e255 FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 3258728-4175499\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e255 MIE FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 3258728-4178299\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e888 (2 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e188\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1971–1977\u003c\/td\u003e\n        \u003ctd\u003e27-56108\u003c\/td\u003e\n        \u003ctd\u003eSerial range: 3108723 and up\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eTiming Cover Gasket\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eEngine Timing Chain Cover\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003ePaper\/Fiber Gasket Material\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e25.5\" L x 29.5\" W x 0.1\" H\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e30 days (Green Bay Propeller \u0026amp; Marine LLC)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eOEM Factory Part\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Timing Cover Gasket (27-56108)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDrain the engine coolant completely to avoid spills.\u003c\/li\u003e\n  \u003cli\u003eRemove the serpentine belt and any accessories blocking the timing cover, such as the water pump and power steering pump.\u003c\/li\u003e\n  \u003cli\u003eRemove the crankshaft pulley\/harmonic balancer using an appropriate puller tool.\u003c\/li\u003e\n  \u003cli\u003eCarefully unbolt and remove the timing cover from the engine block.\u003c\/li\u003e\n  \u003cli\u003eRemove the old gasket and thoroughly clean both the engine block and timing cover mating surfaces. Ensure they are free of old gasket material, oil, and debris.\u003c\/li\u003e\n  \u003cli\u003ePosition the new gasket onto the engine block, aligning it with the bolt holes.\u003c\/li\u003e\n  \u003cli\u003eReinstall the timing cover, ensuring it is seated correctly over the gasket.\u003c\/li\u003e\n  \u003cli\u003eTighten the cover bolts to the manufacturer's specified torque sequence and values.\u003c\/li\u003e\n  \u003cli\u003eReinstall the crankshaft pulley, accessories, and serpentine belt.\u003c\/li\u003e\n  \u003cli\u003eRefill the engine with coolant and check for leaks after starting the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my timing cover gasket is failing?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs of a faulty timing cover gasket include visible oil or coolant leaks from the front of the engine, near the crankshaft pulley. You may also notice a low coolant level or milky, contaminated engine oil, which indicates coolant is mixing with the oil.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this gasket fit my specific Ford V8 engine?\u003c\/summary\u003e\n  \u003cp\u003eThis gasket is specifically designed for the Mercruiser models listed in the compatibility table, which use Ford 302 and 351 V8 engines from 1970–1977. Always verify your engine's model and serial number against the compatibility chart before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShould I use sealant with this paper gasket?\u003c\/summary\u003e\n  \u003cp\u003eWhile this gasket is designed to seal on its own, some mechanics apply a thin layer of gasket sealant (such as Permatex Aviation Form-A-Gasket) to one or both sides to improve the seal and hold the gasket in place during installation. Consult your engine's service manual for the recommended procedure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of an improper installation?\u003c\/summary\u003e\n  \u003cp\u003eIf the gasket is not installed correctly, you will likely see immediate or premature leaks of oil or coolant from the timing cover area. Over-tightening the bolts can damage the gasket or cover, while under-tightening can lead to an insufficient seal.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50590215110971,"sku":"27-56108","price":8.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/27-56108_ba85f7f1-acd9-457c-91f0-209998ac43ca.jpg?v=1758080317"},{"product_id":"water-pump-gasket-fits-mercruiser-v8-sterndrives-replaces-27-56880","title":"Water Pump Gasket – Fits Mercruiser V8 Sterndrives (Replaces 27-56880)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis is a direct replacement \u003cstrong\u003eWater Pump Gasket – Fits Mercruiser V8 Sterndrives (Replaces 27-56880)\u003c\/strong\u003e, designed for various Mercruiser sterndrives using Ford 302 and 351 V8 engines from 1970 through 1977. It ensures a proper seal for the engine's water pump.\u003c\/p\u003e\n\u003cp\u003eThis part provides a direct interchange for Mercury 27-56880, OMC 3852824, Sierra 18-0147, and GLM F724160, offering a reliable alternative to the NLA (No Longer Available) OEM part.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for use on various Mercruiser V8 sterndrives.\u003c\/li\u003e\n  \u003cli\u003eInstall during routine water pump service or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\/Mercruiser\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC\u003c\/td\u003e\n        \u003ctd\u003e3852824\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-0147\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003eF724160\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eFor Mercury\/Mercruiser models, verify your engine model and serial number range to ensure correct fitment.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e215 (4 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e215\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1970–1972\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #2781153-3395720\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e215 MIE FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e215\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1970–1972\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #2781153-3563181\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225 (4 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #3385721-4166999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225 MIE FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #3385721-4176999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225-S (4 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #3385721-4166999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e233 FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e233\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1977\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #4173000-4902304\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e233 MIE FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e233\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1976\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #4173000-4775784\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e255 FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #3258728-4175499\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e255 MIE FORD 351 V-8\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #3258728-4178299\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e888 (2 BBL.) FORD 302 V-8\u003c\/td\u003e\n        \u003ctd\u003e888\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1971–1977\u003c\/td\u003e\n        \u003ctd\u003e27-56880\u003c\/td\u003e\n        \u003ctd\u003eSerial #3108723 and up\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC\u003c\/td\u003e\n        \u003ctd\u003eVarious models\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e3852824\u003c\/td\u003e\n        \u003ctd\u003eCross-reference only, no specific model data\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater Pump Gasket\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplace during water pump service\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003ePaper\/Composite\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eWhite\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e13.0\" H x 10.0\" W x 1.13\" L\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e30 days (Green Bay Propeller and Marine LLC)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFor water pump on various Mercruiser V8 sterndrives\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Water Pump Gasket (27-56880)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the negative battery cable before beginning work.\u003c\/li\u003e\n  \u003cli\u003eDrain the engine cooling system to prevent spills.\u003c\/li\u003e\n  \u003cli\u003eRemove the engine water pump housing and impeller assembly to access the old gasket.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the old gasket. Ensure both mating surfaces on the engine block and pump housing are completely clean of old gasket material and debris.\u003c\/li\u003e\n  \u003cli\u003ePosition the new gasket correctly on the mounting surface.\u003c\/li\u003e\n  \u003cli\u003eReinstall the water pump assembly, tightening all bolts to the manufacturer’s specified torque.\u003c\/li\u003e\n  \u003cli\u003eReconnect all hoses, refill the cooling system, and check for leaks after starting the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if this is the right gasket for my engine?\u003c\/summary\u003e\n  \u003cp\u003eThis gasket fits specific Mercruiser sterndrives with Ford 302\/351 V8 engines from 1970–1977. The best way to confirm is by matching your engine's model and serial number to the compatibility table. Cross-referencing your old part number with Mercury 27-56880 or Sierra 18-0147 is also a reliable method.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a bad water pump gasket?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms include visible coolant leaks around the water pump housing, engine overheating, or a low coolant level warning. A worn or damaged gasket compromises the seal, allowing coolant to escape.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShould I use sealant with this gasket?\u003c\/summary\u003e\n  \u003cp\u003eMost modern paper and composite gaskets like this one are designed to be installed dry. However, always consult your engine's service manual. If specified, apply a thin, even layer of a marine-grade gasket sealant to one side of the gasket.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should this gasket be replaced?\u003c\/summary\u003e\n  \u003cp\u003eIt is best practice to replace the water pump gasket whenever you service the water pump or its impeller, or immediately if you notice any signs of a leak. There is no fixed interval, as it depends on usage and conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50590215176507,"sku":"27-56880","price":15.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/27-56880_d94f4fb5-89d5-4d82-babe-621a9f00ce0a.jpg?v=1758080319"},{"product_id":"holley-carburetor-base-gasket-fits-mercury-mercruiser-215-225-255-ford-v8-replaces-27-65577","title":"Holley Carburetor Base Gasket – Fits Mercury\/Mercruiser 215\/225\/255 Ford V8 (Replaces 27-65577)","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis Holley Carburetor Base Gasket creates a secure seal between the carburetor and intake manifold. It is designed specifically for Mercury\/Mercruiser sterndrive and inboard models equipped with Ford 302 V8 (215\/225 HP) and Ford 351 V8 (255 HP) engines manufactured between 1970 and 1974.\u003c\/p\u003e\n  \u003cp\u003eThis part is a direct replacement for Mercury\/Mercruiser 27-65577, Sierra 18-0357, and Quicksilver 65577.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eInstalls directly between the carburetor and intake manifold.\u003c\/li\u003e\n    \u003cli\u003eEngineered for use with gasoline fuel systems.\u003c\/li\u003e\n    \u003cli\u003eSold in a convenient pack of two gaskets.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/Mercruiser\u003c\/td\u003e\n          \u003ctd\u003e27-65577\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eQuicksilver\u003c\/td\u003e\n          \u003ctd\u003e65577\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-0357\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n  \u003cp\u003eFor Mercruiser applications, it is critical to verify your engine's model, year, and serial number range to ensure correct fitment.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility for Mercury\/Mercruiser\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eModel\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eYears\u003c\/th\u003e\n          \u003cth\u003eOEM Part No.\u003c\/th\u003e\n          \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercruiser\u003c\/td\u003e\n          \u003ctd\u003e215 MCM\/MIE (Ford)\u003c\/td\u003e\n          \u003ctd\u003e215\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1970–1972\u003c\/td\u003e\n          \u003ctd\u003e27-65577\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 2781153-3385720, Original Carb #1356-4066, MFG Model #C9FF9510E H4\/4160\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercruiser\u003c\/td\u003e\n          \u003ctd\u003e225 MCM\/MIE (Ford)\u003c\/td\u003e\n          \u003ctd\u003e225\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1973–1974\u003c\/td\u003e\n          \u003ctd\u003e27-65577\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 3385721-4166999, Original Carb #1356-5155, MFG Model #D2JL9510C H4\/4160\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercruiser\u003c\/td\u003e\n          \u003ctd\u003e225-S (Ford)\u003c\/td\u003e\n          \u003ctd\u003e225\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1973–1974\u003c\/td\u003e\n          \u003ctd\u003e27-65577\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 3385721-4166999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercruiser\u003c\/td\u003e\n          \u003ctd\u003e255 MCM\/MIE (Ford)\u003c\/td\u003e\n          \u003ctd\u003e255\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1973–1974\u003c\/td\u003e\n          \u003ctd\u003e27-65577\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 3258728-4175499, Original Carb #1356-5169, MFG Model #D2JL9510E H4\/4160\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eCarburetor Base Gasket\u003c\/dd\u003e\n    \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eComposite\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect mount between carburetor and intake manifold\u003c\/dd\u003e\n    \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e10.88\" H x 8.0\" W x 1.13\" L\u003c\/dd\u003e\n    \u003cdt\u003eSold As\u003c\/dt\u003e\n\u003cdd\u003ePack of 2\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2 x\u003c\/span\u003e Carburetor Base Gasket (replaces 27-65577)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the boat's battery and relieve any pressure in the fuel system for safety.\u003c\/li\u003e\n    \u003cli\u003eCarefully note and disconnect all fuel lines, throttle linkages, and vacuum hoses attached to the carburetor.\u003c\/li\u003e\n    \u003cli\u003eUnbolt and remove the carburetor from the intake manifold.\u003c\/li\u003e\n    \u003cli\u003eRemove the old base gasket. Thoroughly clean both the carburetor base and the intake manifold mating surfaces to ensure a clean, flat surface.\u003c\/li\u003e\n    \u003cli\u003ePosition the new gasket onto the intake manifold, aligning it with the mounting studs or bolt holes.\u003c\/li\u003e\n    \u003cli\u003eCarefully place the carburetor onto the new gasket.\u003c\/li\u003e\n    \u003cli\u003eTighten the carburetor mounting nuts or bolts in a progressive, crisscross pattern to the manufacturer's recommended torque specification.\u003c\/li\u003e\n    \u003cli\u003eReconnect all fuel lines, linkages, and hoses.\u003c\/li\u003e\n    \u003cli\u003eReconnect the battery, start the engine, and carefully inspect for any fuel or vacuum leaks around the gasket.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if this gasket fits my engine?\u003c\/summary\u003e\n    \u003cp\u003eCompare your engine details against the Engine \u0026amp; Model Compatibility table. It is crucial to match the brand, model, horsepower, year, and especially the serial number range to confirm correct fitment for your Mercruiser engine.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are signs of a failing carburetor base gasket?\u003c\/summary\u003e\n    \u003cp\u003eCommon symptoms of a bad gasket include a vacuum leak (which can cause a hissing sound, rough or high idle, and stalling), poor engine performance, and decreased fuel economy. A visual inspection might show cracks or degradation of the old gasket material.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this gasket require sealant during installation?\u003c\/summary\u003e\n    \u003cp\u003eThis composite gasket is designed to be installed dry. Applying sealant can sometimes interfere with a proper seal. Always follow the procedures in your engine's official service manual, but typically, no additional sealant is needed.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should this gasket be replaced?\u003c\/summary\u003e\n    \u003cp\u003eThe carburetor base gasket should be replaced every time the carburetor is removed from the intake manifold for service or cleaning. It is a wear item that degrades over time from heat and fuel exposure.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy is this sold as a pack of two?\u003c\/summary\u003e\n    \u003cp\u003eThis part is sold in a pack of two for user convenience. This is helpful for professional technicians servicing multiple engines or to have a spare on hand for future maintenance. You will only need one gasket per carburetor installation.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n    \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the shipping speed and cost?\u003c\/summary\u003e\n    \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\n    \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n    \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50590215569723,"sku":"27-65577","price":10.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/27-65577_c85af432-e199-4742-92ac-4cd25712989a.jpg?v=1758080326"},{"product_id":"valve-cover-gasket-fits-volvo-penta-mercruiser-5-0l-5-7l-v8-engines-replaces-3852687-27-17467","title":"Valve Cover Gasket – Fits Volvo Penta \u0026 MerCruiser 5.0L\/5.7L V8 Engines (Replaces 3852687, 27-17467)","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis aftermarket \u003cstrong\u003eValve Cover Gasket – Fits Volvo Penta \u0026amp; MerCruiser 5.0L\/5.7L V8 Engines (Replaces 3852687, 27-17467)\u003c\/strong\u003e is designed for a precise fit on a wide range of V8 marine engines with center bolt valve covers. It is compatible with Volvo Penta 5.0L\/5.7L models (1986–2018), MerCruiser 5.0L\/5.7L\/6.2L models (1987–2018), and OMC 5.0L\/5.7L models (1987–2006).\u003c\/p\u003e\n  \u003cp\u003eThis gasket serves as a direct interchange for Volvo Penta 3852687\/856072, MerCruiser 27-17467\/17467\/8M0150306, OMC 3852687\/913270\/0509120, Crusader 7231330, Sierra 18-0664, and FelPro 17931.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eFits V8 engines with center bolt valve cover designs (1987 and newer).\u003c\/li\u003e\n    \u003cli\u003eConstructed from high-quality PermaDry molded rubber for a durable, leak-proof seal.\u003c\/li\u003e\n    \u003cli\u003ePackage includes two gaskets for a complete engine service.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003e3852687 \/ 856072\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e27-17467 \/ 17467 \/ 8M0150306\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC\u003c\/td\u003e\n          \u003ctd\u003e3852687 \/ 913270 \/ 0509120\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eCrusader\u003c\/td\u003e\n          \u003ctd\u003e7231330\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-0664\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eFelPro\u003c\/td\u003e\n          \u003ctd\u003e17931\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n  \u003cp\u003e\u003cb\u003eVolvo Penta Fitment:\u003c\/b\u003e Covers a wide range of 5.0L and 5.7L V8 models from 1986 to 2018 with center bolt valve covers.\u003c\/p\u003e\n  \u003cp\u003e\u003cb\u003eMerCruiser Fitment:\u003c\/b\u003e Fits various 5.0L, 5.7L, and 6.2L V8 models from 1987 to 2018, including Magnum and Scorpion series with center bolt covers.\u003c\/p\u003e\n  \u003cp\u003e\u003cb\u003eOMC Fitment:\u003c\/b\u003e Compatible with 5.0L and 5.7L V8 models produced between 1987 and 2006.\u003c\/p\u003e\n  \u003cp\u003e\u003cb\u003eCrusader Fitment:\u003c\/b\u003e Applies to 5.0L and 5.7L GM-based V8 engines from 1987 onwards that use a center bolt valve cover design.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eModel\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eYears\u003c\/th\u003e\n          \u003cth\u003eOEM Part No.\u003c\/th\u003e\n          \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0-BY\u003c\/td\u003e\n\u003ctd\u003e190-220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0-EF\u003c\/td\u003e\n\u003ctd\u003e190-220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0-WT\u003c\/td\u003e\n\u003ctd\u003e190-220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0Gi\u003c\/td\u003e\n\u003ctd\u003e190-225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0GL\u003c\/td\u003e\n\u003ctd\u003e190-220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0GS\u003c\/td\u003e\n\u003ctd\u003e190-220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0GX\u003c\/td\u003e\n\u003ctd\u003e190-220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0OSi\u003c\/td\u003e\n\u003ctd\u003e190-220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.7-BY\u003c\/td\u003e\n\u003ctd\u003e250-270\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.7Gi\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.7GL\u003c\/td\u003e\n\u003ctd\u003e215\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.7GS\u003c\/td\u003e\n\u003ctd\u003e250-270\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.7GXi\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.7OSi\u003c\/td\u003e\n\u003ctd\u003e250-270\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eAQ211A\u003c\/td\u003e\n\u003ctd\u003e210\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eAQ231A, AQ231B\u003c\/td\u003e\n\u003ctd\u003e229-231\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eAQ271C, AQ271D\u003c\/td\u003e\n\u003ctd\u003e270-275\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eBB231A\u003c\/td\u003e\n\u003ctd\u003e229-231\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eBB261A\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e500A, 500B\u003c\/td\u003e\n\u003ctd\u003e187\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e501A, 501B\u003c\/td\u003e\n\u003ctd\u003e187\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e570A\u003c\/td\u003e\n\u003ctd\u003e245\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e570DP\u003c\/td\u003e\n\u003ctd\u003e245\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e571\u003c\/td\u003e\n\u003ctd\u003e273\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e572A\u003c\/td\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8-225-C-A, V8-225-C-B\u003c\/td\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8-225-CE-A, V8-225-CE-B\u003c\/td\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8-270-A, V8-270-C-A, V8-270-C-B\u003c\/td\u003e\n\u003ctd\u003e270\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8-270-CE-A, V8-270-CE-B, V8-270-E-A\u003c\/td\u003e\n\u003ctd\u003e270\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8-300-A, V8-300-C-A, V8-300-C-B\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8-300-CE-A, V8-300-CE-B, V8-300-E-A\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8-320-A, V8-320-A-A\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8-320-C-A, V8-320-C-B\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8-320-CE-A, V8-320-CE-B, V8-320-E-A\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2018\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.0L\u003c\/td\u003e\n\u003ctd\u003e180-230\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.0LX\u003c\/td\u003e\n\u003ctd\u003e205-230\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L\u003c\/td\u003e\n\u003ctd\u003e230-260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L Bravo\u003c\/td\u003e\n\u003ctd\u003e240-270\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L Blue Water Inboard\u003c\/td\u003e\n\u003ctd\u003e250-260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L Comp Ski\u003c\/td\u003e\n\u003ctd\u003e250-260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e300 MR\/TR\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350 Magnum\u003c\/td\u003e\n\u003ctd\u003e250-265\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350 Magnum Tournament Ski\u003c\/td\u003e\n\u003ctd\u003e240-270\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003eBlack Scorpion\u003c\/td\u003e\n\u003ctd\u003e315\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e6.2L\u003c\/td\u003e\n\u003ctd\u003e315-320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e27-17467\u003c\/td\u003e\n\u003ctd\u003eFor center bolt valve covers\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e5.0L\u003c\/td\u003e\n\u003ctd\u003e175-225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e5.0L High Output\u003c\/td\u003e\n\u003ctd\u003e190-225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e5.0L 305 V8\u003c\/td\u003e\n\u003ctd\u003e175-225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e5.0L 307 OHV V8\u003c\/td\u003e\n\u003ctd\u003e175-225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e250-260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e250 King Cobra\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e3852687\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCrusader\u003c\/td\u003e\n\u003ctd\u003e5.0L\/5.7L GM V8\u003c\/td\u003e\n\u003ctd\u003e215-350\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2018\u003c\/td\u003e\n\u003ctd\u003e7231330\u003c\/td\u003e\n\u003ctd\u003eCenter bolt valve covers\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eValve Cover Gasket\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eCenter Bolt Design Valve Covers\u003c\/dd\u003e\n    \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n    \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMolded Rubber (PermaDry)\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e66.0cm L x 28.0cm W x 1.0cm H\u003c\/dd\u003e\n    \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFor center bolt valve cover design (1987 and newer V8 engines)\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n  \n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2 x\u003c\/span\u003e Valve Cover Gasket (3852687)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery before beginning work.\u003c\/li\u003e\n    \u003cli\u003eRemove any components obstructing access to the valve covers, such as brackets, hoses, or wiring.\u003c\/li\u003e\n    \u003cli\u003eUnscrew the center bolts holding the valve cover in place. Note their positions if they are different lengths.\u003c\/li\u003e\n    \u003cli\u003eGently tap the valve cover with a rubber mallet to break the seal, then lift it off. Avoid prying, which can damage the surfaces.\u003c\/li\u003e\n    \u003cli\u003eRemove the old gasket and any old sealant or residue from both the cylinder head and the valve cover. A plastic scraper and degreaser are recommended.\u003c\/li\u003e\n    \u003cli\u003eEnsure the mating surfaces are completely clean, dry, and free of oil before proceeding.\u003c\/li\u003e\n    \u003cli\u003ePress the new gasket firmly into the channel on the valve cover. Ensure it is seated evenly all the way around.\u003c\/li\u003e\n    \u003cli\u003eCarefully place the valve cover back onto the cylinder head, aligning the bolt holes.\u003c\/li\u003e\n    \u003cli\u003eHand-tighten the bolts first, then torque them to the manufacturer's specification in a crisscross pattern to ensure even pressure. Do not overtighten.\u003c\/li\u003e\n    \u003cli\u003eReconnect any components that were removed and start the engine to check for leaks.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if my engine uses center bolt valve covers?\u003c\/summary\u003e\n    \u003cp\u003eCenter bolt valve covers, common on 1987 and newer GM V8 engines, have four bolts located in the center of the cover. Older engines typically have perimeter bolts along the outer edge. Visually inspect your current valve covers to confirm the bolt pattern before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the common signs of a failing valve cover gasket?\u003c\/summary\u003e\n    \u003cp\u003eSymptoms include visible oil leaks around the valve cover, a burning oil smell from drips onto hot engine parts, low engine oil levels, and a dirty or oil-soaked valve cover area. If you notice any of these, it's time to inspect the gasket.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan these gaskets be reused?\u003c\/summary\u003e\n    \u003cp\u003eNo. These are single-use gaskets. Reusing a valve cover gasket, especially a molded rubber one, will almost certainly result in leaks as it has already been compressed and heat-cycled.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs sealant required for installation?\u003c\/summary\u003e\n    \u003cp\u003eGenerally, these PermaDry molded rubber gaskets are designed to be installed dry without any additional sealant. However, it is best practice to apply a small dab of RTV sealant at any sharp corners or joints, such as where the intake manifold meets the cylinder head.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n    \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n    \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n    \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003ePro-Grade Standards\u003c\/b\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50593340457275,"sku":"17931","price":20.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17931_158323b8-9796-4c49-975b-96ae92016f8b.jpg?v=1758250870"},{"product_id":"carburetor-repair-kit-fits-mercury-mercruiser-ford-v8-215-255-hp-replaces-1396-5238","title":"Carburetor Repair Kit – Fits Mercury\/Mercruiser Ford V8 215-255 HP (Replaces 1396-5238)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis Carburetor Repair Kit – Fits Mercury\/Mercruiser Ford V8 215-255 HP (Replaces 1396-5238) is designed for Mercury\/Mercruiser Ford V8 engines (215–255 HP, 302 \u0026amp; 351 CID) from 1970 to 1974 equipped with Holley 4-barrel carburetors. The kit contains essential components to restore carburetor performance and efficiency.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct interchange for Mercury\/Mercruiser part numbers 1396-5238 and 5238, and GLM 76096.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for installation on Holley 4-barrel carburetors.\u003c\/li\u003e\n\u003cli\u003eIncludes adjustable needles and seats for precise fuel level tuning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\/Mercruiser\u003c\/td\u003e\n        \u003ctd\u003e1396-5238\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\/Mercruiser\u003c\/td\u003e\n        \u003ctd\u003e5238\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e76096\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eFor Mercruiser models, verify your engine's CID, model number, and serial number range to ensure an exact match.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eEngine\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e215 MCM\/MIE\u003c\/td\u003e\n        \u003ctd\u003e215\u003c\/td\u003e\n        \u003ctd\u003eFord V8 302 CID\u003c\/td\u003e\n        \u003ctd\u003e1970–1972\u003c\/td\u003e\n        \u003ctd\u003e1396-5238\u003c\/td\u003e\n        \u003ctd\u003eOriginal Carb #1356-4066, Holley 4\/4160 Model #C9FF9510E\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225 MCM\/MIE\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003eFord V8 302 CID\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e1396-5238\u003c\/td\u003e\n        \u003ctd\u003eOriginal Carb #1356-5155, Holley 4\/4160 Model #D2JL9510C\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e225-S\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003eFord V8 302 CID\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e1396-5238\u003c\/td\u003e\n        \u003ctd\u003eSerial Range: 3385721-4166999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e255 MCM\/MIE\u003c\/td\u003e\n        \u003ctd\u003e255\u003c\/td\u003e\n        \u003ctd\u003eFord V8 351 CID\u003c\/td\u003e\n        \u003ctd\u003e1973–1974\u003c\/td\u003e\n        \u003ctd\u003e1396-5238\u003c\/td\u003e\n        \u003ctd\u003eOriginal Carb #1356-5169, Holley 4\/4160 Model #D2JL9510E, Serial Range: 3258728-4175499\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eCarburetor Repair Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eHolley 4-barrel\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e5.0 in x 19.0 in x 29.0 in (H x W x L)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.60 lb (0.27 kg)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eContains adjustable needles \u0026amp; seats for Holley 4-barrel carburetors\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Carburetor Repair Kit (1396-5238)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and ensure the engine is cool. Follow all safety precautions for working with fuel systems.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the carburetor from the intake manifold, disconnecting fuel lines, linkages, and vacuum hoses.\u003c\/li\u003e\n  \u003cli\u003eDisassemble the carburetor on a clean workbench, laying out all parts in the order they were removed.\u003c\/li\u003e\n  \u003cli\u003eThoroughly clean all metal components using a quality carburetor cleaner. Do not spray solvents on rubber or plastic parts.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove old gaskets, seals, needles, and seats.\u003c\/li\u003e\n  \u003cli\u003eInstall the new components from the kit, ensuring each part is seated correctly.\u003c\/li\u003e\n  \u003cli\u003eReassemble the carburetor, referencing a service manual for your specific model to ensure correct assembly and torque specifications.\u003c\/li\u003e\n  \u003cli\u003eReinstall the carburetor onto the engine, reconnecting all lines and linkages. Check for fuel leaks before starting the engine.\u003c\/li\u003e\n  \u003cli\u003eStart the engine and adjust the idle speed and mixture screws according to the manufacturer's specifications for optimal performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this kit fits my carburetor?\u003c\/summary\u003e\u003cp\u003eThis kit is specifically designed for Holley 4-barrel carburetors used on Mercury\/Mercruiser Ford V8 engines (302 \u0026amp; 351 CID) from 1970–1974. Check the compatibility table to confirm your engine model and year. It is crucial to also verify your original carburetor's model number, such as #C9FF9510E, #D2JL9510C, or #D2JL9510E, as noted in the compatibility list.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are signs my carburetor needs a rebuild?\u003c\/summary\u003e\u003cp\u003eCommon symptoms indicating a need for a rebuild include rough idling, frequent stalling, hesitation or poor acceleration, visible fuel leaks from the carburetor body, or excessive black smoke from the exhaust. These issues are often caused by worn gaskets, clogged jets, or faulty seals that this kit can replace.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the benefit of adjustable needles \u0026amp; seats?\u003c\/summary\u003e\u003cp\u003eAdjustable needles and seats allow for fine-tuning of the fuel level inside the carburetor bowl. This enables precise calibration to optimize engine performance, smooth out idling, and improve fuel efficiency based on your specific operating conditions and engine setup.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50602594369851,"sku":"1396-5238","price":90.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/1396-5238_d231b9a8-482f-4cd1-add6-71fac72b29cb.jpg?v=1758594873"},{"product_id":"thermostat-repair-service-kit-fits-mercury-mercruiser-4-3l-5-0l-5-7l-7-4l-v6-v8-sterndrive-motors-replaces-807252q4-807252t4-807252t7-8m0089715","title":"Thermostat Service Kit for Mercury MerCruiser Sterndrive Engines – Replaces 807252Q4 and 807252T4","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003ethermostat service kit\u003c\/strong\u003e is designed for selected Mercury MerCruiser sterndrive cooling-system applications. It provides a replacement thermostat together with the gaskets and O-ring needed to service the thermostat and housing sealing surfaces.\u003c\/p\u003e\n\u003cp\u003eThe kit replaces Mercury MerCruiser OEM part numbers \u003cstrong\u003e807252Q4\u003c\/strong\u003e and \u003cstrong\u003e807252T4\u003c\/strong\u003e. Confirm the engine model, cooling-system design, and serial-number range before ordering because thermostat and gasket requirements can vary between MerCruiser applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete thermostat service kit for the listed application.\u003c\/li\u003e\n  \u003cli\u003eIncludes one thermostat, three thermostat-cover gaskets, one O-ring, and one thermostat-housing gasket.\u003c\/li\u003e\n  \u003cli\u003eThermostat specification: approximately \u003cstrong\u003e142°F (61°C)\u003c\/strong\u003e nominal rating.\u003c\/li\u003e\n  \u003cli\u003eIntended for the corresponding MerCruiser sterndrive cooling-system configuration; it is not a universal V6\/V8 kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThese are verified replacement and aftermarket reference numbers for this kit. Reference numbers identify the intended part relationship; they do not replace an application check.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eRole\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n\u003ctd\u003e807252Q4\u003c\/td\u003e\n\u003ctd\u003eOEM replacement reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n\u003ctd\u003e807252T4\u003c\/td\u003e\n\u003ctd\u003eOEM replacement reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3668\u003c\/td\u003e\n\u003ctd\u003eAftermarket thermostat kit reference\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eCompatibility must be confirmed using the complete engine model, cooling-system arrangement, and serial number. The replacement references above are associated with selected MerCruiser sterndrive thermostat-kit applications, but a general engine-family description alone is not sufficient to confirm fitment.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eCooling System\u003c\/th\u003e\n\u003cth\u003eThermostat Rating\u003c\/th\u003e\n\u003cth\u003eFitment Check\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n        \u003ctd\u003eSelected sterndrive thermostat applications using OEM references 807252Q4 or 807252T4\u003c\/td\u003e\n        \u003ctd\u003eConfirm the specific raw-water or closed-cooling configuration before installation\u003c\/td\u003e\n        \u003ctd\u003eApproximately 142°F (61°C)\u003c\/td\u003e\n        \u003ctd\u003eVerify engine model and serial number against the applicable service catalog\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eThermostat service kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Mercury MerCruiser sterndrive cooling-system applications\u003c\/dd\u003e\n  \u003cdt\u003eNominal Thermostat Rating\u003c\/dt\u003e\n  \u003cdd\u003eApproximately 142°F (61°C)\u003c\/dd\u003e\n  \u003cdt\u003eOEM Replacement References\u003c\/dt\u003e\n  \u003cdd\u003e807252Q4 and 807252T4\u003c\/dd\u003e\n  \u003cdt\u003eAftermarket Reference\u003c\/dt\u003e\n  \u003cdd\u003eSierra 18-3668\u003c\/dd\u003e\n  \u003cdt\u003eFitment Requirement\u003c\/dt\u003e\n  \u003cdd\u003eMatch engine model, cooling-system configuration, and serial number before ordering\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Thermostat\u003c\/li\u003e\n  \u003cli\u003e1 x Thermostat cover gasket, reference 27-47510\u003c\/li\u003e\n  \u003cli\u003e1 x Thermostat cover gasket, reference 27-48818-1\u003c\/li\u003e\n  \u003cli\u003e1 x Thermostat cover gasket, reference 27-60208\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring\u003c\/li\u003e\n  \u003cli\u003e1 x Thermostat housing gasket, reference 27-53045-1 or 27-33918\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGasket shapes and required sealing locations depend on the corresponding housing design. Use only the gasket that matches the removed component and the service-manual installation arrangement.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eAllow the engine to cool completely before servicing the thermostat housing.\u003c\/li\u003e\n  \u003cli\u003eClose any seacock or isolate the water supply as required by the boat and engine service procedure.\u003c\/li\u003e\n  \u003cli\u003eLocate the thermostat housing and remove the cover or housing components according to the engine service manual.\u003c\/li\u003e\n  \u003cli\u003eRecord the original thermostat orientation before removal.\u003c\/li\u003e\n  \u003cli\u003eRemove the old thermostat, O-ring, and gaskets. Do not reuse compressed or damaged sealing components.\u003c\/li\u003e\n  \u003cli\u003eClean and dry the mating surfaces without scratching the housing or cover.\u003c\/li\u003e\n  \u003cli\u003eInstall the new thermostat in the original orientation and fit the appropriate new gaskets and O-ring from the kit.\u003c\/li\u003e\n  \u003cli\u003eReassemble the housing and tighten fasteners to the engine manufacturer’s specified torque.\u003c\/li\u003e\n  \u003cli\u003eRestore the cooling-water supply and operate the engine according to the service procedure.\u003c\/li\u003e\n  \u003cli\u003eCheck for leaks and confirm that the engine reaches and maintains its normal operating temperature.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich OEM numbers does this kit replace?\u003c\/summary\u003e\u003cp\u003eThis kit is listed as a replacement for Mercury MerCruiser OEM numbers 807252Q4 and 807252T4.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat thermostat temperature rating is included?\u003c\/summary\u003e\u003cp\u003eThe associated thermostat is approximately 142°F (61°C). Do not substitute a different temperature rating unless it is specified for your exact engine application.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the kit include the thermostat and seals?\u003c\/summary\u003e\u003cp\u003eYes. The kit includes one thermostat, three thermostat-cover gaskets, one O-ring, and one thermostat-housing gasket.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use this kit on any Mercury MerCruiser V6 or V8?\u003c\/summary\u003e\u003cp\u003eNo. MerCruiser thermostat designs and gasket requirements vary by engine model, cooling-system arrangement, and serial number. Confirm all three before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould the old gaskets or O-ring be reused?\u003c\/summary\u003e\u003cp\u003eNo. Replace the removed sealing components with the matching new components supplied in the kit, and clean the mating surfaces before assembly.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM Mercury MerCruiser part?\u003c\/summary\u003e\u003cp\u003eThis listing is for an aftermarket service kit. The OEM numbers are provided as replacement references only.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWork only on a completely cool engine and follow the applicable marine-engine service procedure.\u003c\/li\u003e\n  \u003cli\u003eVerify the engine model, cooling-system configuration, serial number, thermostat rating, and gasket arrangement before purchase and installation.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on engine displacement or cylinder count alone to confirm fitment.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the correct housing arrangement or cooling-system type is uncertain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We provide aftermarket components and service kits for common marine cooling-system repairs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — OEM replacement references are shown to help customers compare the part with the component being replaced.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation-Conscious Support\u003c\/strong\u003e — Always match the engine model, serial number, and cooling-system configuration before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723787473211,"sku":"GH-TH23635-M","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/GH-TH23635-M.png?v=1763031763"}],"url":"https:\/\/seasierra.com\/collections\/mercruiser-4-stroke-255hp-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}