{"title":"MerCruiser 4-Stroke 233HP Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px 0;\"\u003e\n \u003cp\u003eThis page is dedicated to MerCruiser 4‑Stroke 233HP stern drive engines. Use it to quickly find compatible parts and service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main MerCruiser collection. Scroll down to the bottom of the page to start browsing parts for this engine, and remember you can use the “Filter \u0026amp; Sort” controls on the collection page to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser\" style=\"display:inline-block;padding:10px 16px;border:1px solid #0a6;border-radius:6px;text-decoration:none;\"\u003eBrowse All MerCruiser Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:12px 0;\"\u003e\n \u003ch2\u003eHow to Identify Your 233HP Model\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eEngine serial plate: commonly near the starter by the flywheel housing, or on\/near the flame arrestor cover or rocker\/valve cover.\u003c\/li\u003e\n \u003cli\u003eSterndrive serial plate: typically on the starboard side or rear of the upper drive shaft housing; the transom assembly serial is often on the inner transom plate inside the boat.\u003c\/li\u003e\n \u003cli\u003eReading the code: the serial number identifies the exact engine\/drive configuration and parts break; suffixes may indicate options (gear ratio, ignition, etc.).\u003c\/li\u003e\n \u003cli\u003ePlatform clues: 233HP models are V8 4‑stroke carbureted marine engines paired with MerCruiser drives—verify by engine and drive serials for best parts match.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:12px 0;\"\u003e\n \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n \u003ch3\u003eV8 4‑Stroke Sterndrive (233 HP)\u003c\/h3\u003e\n \u003ctable style=\"width:100%;max-width:920px;border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eFeature\u003c\/th\u003e\n \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eDescription\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eV8 carbureted 4‑stroke marine engine mated to a MerCruiser stern drive (raw‑water cooled pump in the drive).\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003e233 HP V8 stern drive packages (verify exact engine and drive serial ranges).\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eStrong low‑to‑midrange torque, simple carbureted service, broad parts availability.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eNotes\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eWater pump impeller resides in the drive unit; many parts interchange across years, but always confirm using both engine and drive serial numbers.\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\" style=\"padding:12px 0;\"\u003e\n \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n \u003cp\u003eIntervals below are typical guidelines for MerCruiser 4‑stroke sterndrive packages. Always follow the official service manual for your exact engine and drive serial range.\u003c\/p\u003e\n \u003ctable style=\"width:100%;max-width:980px;border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eItem\u003c\/th\u003e\n \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eInterval*\u003c\/th\u003e\n \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eRemarks\u003c\/th\u003e\n \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eParts Link\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eEngine oil + filter\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003e100 hours or annually\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eUse FC‑W marine oil; warm engine before draining; replace and lightly oil filter gasket.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\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 style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eGear oil (drive unit)\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003e100 hours or annually\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eInspect for water intrusion\/metal; reseal if milky or low; fill from drain to vent.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eSpark plugs\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003e100 hours or annually\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eCheck condition and gap; replace if fouled, cracked, or out of spec.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plug\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003e100 hours or annually (sooner with stale\/contaminated fuel)\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eDrain\/replace element; prime and check for leaks after service.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\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 style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eEvery 2–3 seasons (or 100–200 hours; sooner in sandy\/silty water)\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eDrive‑mounted raw‑water pump; replace impeller and inspect housing \u0026amp; key.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\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 style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eAnodes (corrosion protection)\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eInspect every 50 hours; replace when ~50% consumed\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eMatch anode material to your water (zinc\/salt, aluminum\/brackish, magnesium\/fresh).\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\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 style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eService \u0026amp; maintenance kits\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eBundle for 100‑hour\/annual\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eConvenient kits for routine service items by model\/serial range.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\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 \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"padding:12px 0;\"\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\/mercruiser-impellers\"\u003eMerCruiser Impellers\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 \/ Starting: \u003ca href=\"https:\/\/seasierra.com\/collections\/starters\"\u003eStarters\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003eCharging System: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-alternators\"\u003eMerCruiser Alternators\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\u003ePropulsion \u0026amp; Hardware: \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\" style=\"padding:12px 0;\"\u003e\n \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n \u003ctable style=\"width:100%;max-width:980px;border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eSymptom\u003c\/th\u003e\n \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eCheck First\u003c\/th\u003e\n \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eOverheat alarm at idle or on plane\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eInspect raw‑water intake for blockage, impeller condition, thermostat operation, and hose clamps.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eWater pump impeller kit, housing, thermostat, intake screens\/anodes\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003ePoor acceleration \/ low WOT RPM\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eCheck propeller damage\/pitch, fuel quality, fuel filter restriction, timing, and carb tune.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003ePropeller, fuel filter, fuel pump, spark plugs\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eVerify battery state, starter cranking speed, choke\/enrichment, vacuum leaks, and plug gap.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eStarter, spark plugs, fuel filter, carburetor kit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eGearcase noise or milky gear oil\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eCheck level and condition; pressure test and reseal if water intrusion is found.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eGear lube, lower unit seal kit, bearings\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eBattery not charging\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eInspect alternator belt tension, wiring\/grounds, regulator output, and battery health.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eAlternator, belt, rectifier\/regulator\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"padding:12px 0;\"\u003e\n \u003ch2\u003eFAQs\u003c\/h2\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre parts interchangeable across different years of the 233HP packages?\u003c\/summary\u003e\n \u003cp\u003eSome components interchange, but many depend on engine and drive serial ranges (ignition, carb, cooling, and drive seals can vary). Always confirm using both serial numbers before ordering.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhen should I replace the raw‑water pump impeller?\u003c\/summary\u003e\n \u003cp\u003eInspect annually and replace every 2–3 seasons, or sooner if you boat in sandy\/silty water, see rising temperatures, or observe reduced flow\/overheat warnings.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow often should I change gear oil in the drive?\u003c\/summary\u003e\n \u003cp\u003eAt least every 100 hours or annually. Change immediately after a prop strike or if the oil appears milky or metallic. Pressure‑test and reseal the drive 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\u003ePlease provide the engine serial number, drive serial number, model designation, and any known options (gear ratio, ignition type). A photo of the serial plates helps ensure an exact match.\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 by horsepower, year, and model? Browse the main MerCruiser collection to filter and sort for your exact 233HP setup.\u003c\/p\u003e\n \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser\" style=\"display:inline-block;padding:10px 16px;border:1px solid #0a6;border-radius:6px;text-decoration:none;\"\u003eShop MerCruiser Parts\u003c\/a\u003e\n \u003cp style=\"margin-top:8px;color:#555;\"\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":"bushing-drive-shaft-housing-fits-mercury-mercruiser-replaces-23-32632","title":"Bushing, Drive Shaft Housing – Fits Mercury\/Mercruiser (Replaces 23-32632)","description":"\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){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\u003csection\u003e\n \u003ch2\u003eProduct Details\u003c\/h2\u003e\n \u003cp\u003eThis aftermarket \u003cstrong\u003eDrive Shaft Housing Bushing\u003c\/strong\u003e is designed for a wide range of Mercury\/Mercruiser stern drive applications from 1963 to 1990. It fits popular models including Alpha One, 120\/140, 165, 228, 233, 260, 470, 485, 888, and 898.\u003c\/p\u003e\n \u003cp\u003eThis part is a direct replacement for Mercury and Mercruiser part number 23-32632.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eInstalls via a secure press-fit method.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\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\u003c\/td\u003e\n \u003ctd\u003e23-32632\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e23-32632\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n \u003cp\u003eConfirm your engine model and year in the table below.\u003c\/p\u003e\n \u003cp\u003eThis component is an exact-fit for a wide range of Mercruiser sterndrive models manufactured between 1963 and 1990.\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\u003e120\/140\u003c\/td\u003e\n\u003ctd\u003e120–140\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1967–1969\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 2062141-2791956\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e120\/140\u003c\/td\u003e\n\u003ctd\u003e120–140\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1970–1977\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 2791957-4893634\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e120\/140\u003c\/td\u003e\n\u003ctd\u003e120–140\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4893635-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e160\u003c\/td\u003e\n\u003ctd\u003e160\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1967–1969\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 2065190-2763441\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e165\u003c\/td\u003e\n\u003ctd\u003e165\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1970–1977\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 2763442-4890459\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e165\u003c\/td\u003e\n\u003ctd\u003e165\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1981\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4890460 \u0026amp; Up\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\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1974\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 3856268-4200499\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4898730-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e233\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\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4200500 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4791300-4898729\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4898730-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1976–1977\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4208730-4893934\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4893835-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e485\u003c\/td\u003e\n\u003ctd\u003e185\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1980–1982\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4893835 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e888\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\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 3106717 AND UP\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e898\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4898730-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e898\/228\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 4782330-4898729\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1963\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 1534570-1684187\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eIA\/IB\/IC (EZ-SHIFT)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1965–1966\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 1776349-2065189\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eIA\/IB\/IC\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1964\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 1684188-1777798\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eR\/MR\/ALPHA ONE (Sterndrive)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1983–1990\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 6225577-0F386995\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eR\/MR\/ALPHA ONE (Transom Assembly)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1983–1990\u003c\/td\u003e\n\u003ctd\u003e23-32632\u003c\/td\u003e\n\u003ctd\u003eS\/N: 6216687-0F386995\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n \u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eDrive Shaft Housing Bushing\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003ePress-fit\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e0.75\" L x 4.0\" W x 5.13\" H (19.05 x 101.6 x 130.3 mm)\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1 pound (0.45 kg)\u003c\/dd\u003e\n \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\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 Bushing (Replaces 23-32632)\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n \u003col\u003e\n \u003cli\u003eDisconnect the battery and ensure the engine is off and completely cool before starting work.\u003c\/li\u003e\n \u003cli\u003eDrain the gear lube from the sterndrive unit completely.\u003c\/li\u003e\n \u003cli\u003eCarefully separate the upper and lower units of the sterndrive.\u003c\/li\u003e\n \u003cli\u003eLocate the old drive shaft housing bushing within the upper housing assembly.\u003c\/li\u003e\n \u003cli\u003eUsing a suitable press or bushing driver, carefully remove the old bushing. Take care not to score or damage the housing bore.\u003c\/li\u003e\n \u003cli\u003eThoroughly clean the housing bore to remove any old sealant, corrosion, or debris.\u003c\/li\u003e\n \u003cli\u003eAlign the new bushing and use a press to drive it in evenly until it is fully and correctly seated.\u003c\/li\u003e\n \u003cli\u003eReassemble the upper and lower sterndrive units, applying new gaskets and seals as required by your service manual.\u003c\/li\u003e\n \u003cli\u003eRefill the sterndrive with fresh, manufacturer-recommended gear lube.\u003c\/li\u003e\n \u003cli\u003eReconnect the battery, start the engine, and check for any leaks or unusual noises before full operation.\u003c\/li\u003e\n \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow do I know if my drive shaft housing bushing is failing?\u003c\/summary\u003e\n \u003cp\u003eCommon signs include excessive vibration from the sterndrive, unusual grinding or roaring noises, or visible play in the driveshaft when moved by hand. A visual inspection during service may reveal obvious wear, cracking, or deformation of the bushing.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat happens if I don't replace a worn bushing?\u003c\/summary\u003e\n \u003cp\u003eA failed bushing can lead to driveshaft misalignment, causing accelerated wear on connected seals and gears. This can result in water intrusion into the gearcase and eventual catastrophic failure of the sterndrive if left unaddressed.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eIs a special tool required for installation?\u003c\/summary\u003e\n \u003cp\u003eYes, installation requires a workshop press or a specific bushing driver\/arbor set. This allows you to press the old bushing out and the new one in without damaging the new bushing or the aluminum housing. It is not recommended to use a hammer.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan I replace this bushing without removing the sterndrive from the boat?\u003c\/summary\u003e\n \u003cp\u003eNo. You must remove the entire sterndrive assembly from the transom shield to separate the upper and lower units. This is the only way to access the drive shaft housing and replace the bushing.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow does this aftermarket part compare to the OEM original?\u003c\/summary\u003e\n \u003cp\u003eThis part is manufactured to meet or exceed original equipment (OEM) specifications for material hardness, dimensions, and fit. It provides a reliable, cost-effective alternative to the original manufacturer's part.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat are the OEM vs. Aftermarket standards for this part?\u003c\/summary\u003e\n \u003cp\u003eThis listing is for an aftermarket replacement part, not an OEM component. It is built to OEM-level specifications with comparable materials and performance characteristics. Our parts are manufactured in an ISO 9002 certified facility and are batch-inspected for quality and consistency.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat are your shipping speed and costs?\u003c\/summary\u003e\n \u003cp\u003eWe ship worldwide quickly, with typical transit times of 5–15 days for most regions. Standard shipping is free for all orders. Expedited shipping options and costs, where available, will be displayed at checkout.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\n \u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal marine use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window, provided the part is unused and in its original packaging. Please see our full policy page or reach out for instructions.\u003c\/p\u003e\n \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eVerify images and specifications against your original part before ordering. If anything differs—even if your model appears on a compatibility list—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement component, not an Original Equipment Manufacturer (OEM) part.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is strongly recommended for safety, proper function, and to prevent damage to the sterndrive.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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 rigorously tested for real-world saltwater and freshwater conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — With partners worldwide, we offer free standard delivery to most regions in 5–15 business days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — By working directly with manufacturers, we provide fair, transparent pricing without compromising on materials or quality control.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50587183513915,"sku":"23-32632","price":15.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23-32632_0507bef5-afd3-437d-a114-2c5ac373d52f.jpg?v=1757934139"},{"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":"flat-washer-fits-mercury-marine-mercruiser-replaces-12-39116","title":"Flat Washer – Fits Mercury Marine\/Mercruiser (Replaces 12-39116)","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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis stainless steel \u003cstrong\u003eFlat Washer\u003c\/strong\u003e is a direct replacement part for Mercury Marine\/Mercruiser sterndrive and transom assemblies manufactured from 1966 to the present. It is used in various series, including Alpha One, R\/MR, and Vazer.\u003c\/p\u003e\n\u003cp\u003eThis component directly interchanges with Mercury Marine part number 12-39116 and Quicksilver part number 12-39116.\u003c\/p\u003e\n\u003c\/section\u003e\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 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\u003e12-39116\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eQuicksilver\u003c\/td\u003e\n \u003ctd\u003e12-39116\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\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\u003eThis part fits a wide array of Mercruiser engines. Please check your engine's serial number against the ranges provided to ensure an exact fit.\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\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\u003e120\/140\u003c\/td\u003e\n\u003ctd\u003e120-140\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1967–1982\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 2062141-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e160\/165\u003c\/td\u003e\n\u003ctd\u003e160-165\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1967–1981\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 2065190-4890459 \u0026amp; Up\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\u003e\u003c\/td\u003e\n\u003ctd\u003e1974\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 3856268-4200499\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 4898730-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e233\u003c\/td\u003e\n\u003ctd\u003e233\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1975–1977\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 4200500 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 4791300-4898729\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 4898730-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1976–1982\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 4208730-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e485\u003c\/td\u003e\n\u003ctd\u003e485\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1980–1982\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 4893835 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e888\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1971–1977\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 3106717 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e898\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 4898730-6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e898\/228\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 4782330-4898729\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eALPHA ONE (GEN. II)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1991–Present\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 0D469859 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eR\/MR\/ALPHA ONE (Sterndrive)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1983–1990\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 6225577-0F386995\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eR\/MR\/ALPHA ONE (Transom Assembly)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1983–1990\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 6216687-0F386995\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e80 (Sterndrive)\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1966–1969\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 2063741-2898029\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e80 RENAULT 80 I\/L4\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1966–1969\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 2049045-2851423\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e90 (Sterndrive)\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1970–1972\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 2898020-3225967\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003e90 RENAULT 96 I\/L4\u003c\/td\u003e\n\u003ctd\u003e96\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1970–1972\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 2851424-3226957\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eVAZER DRIVE\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 0W995000 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eVAZER TRANSOM\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e12-39116\u003c\/td\u003e\n\u003ctd\u003eUsed in serial ranges 0W755000 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eFlat Washer\u003c\/dd\u003e\n \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eStainless Steel\u003c\/dd\u003e\n \u003cdt\u003eProduct Dimensions\u003c\/dt\u003e\n\u003cdd\u003e8.5 in × 10.0 in × 0.1 in\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e4.96 oz (140.6 g)\u003c\/dd\u003e\n \u003cdt\u003eBrand\u003c\/dt\u003e\n\u003cdd\u003eMercury Marine\/Quicksilver\u003c\/dd\u003e\n \u003cdt\u003eManufacturer Part Number\u003c\/dt\u003e\n\u003cdd\u003e12-39116\u003c\/dd\u003e\n \u003cdt\u003eUPC\u003c\/dt\u003e\n\u003cdd\u003e745061141025\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eOEM (Original Engine Manufacturer) part\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 x WASHER (12-39116)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Disconnect the battery and ensure the engine is cool before beginning work.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAccess the Component:\u003c\/strong\u003e Locate the assembly (e.g., sterndrive, transom) where the washer is. This may require removing other parts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRemove Old Hardware:\u003c\/strong\u003e Carefully remove the fastener and the worn or damaged washer.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eClean the Surface:\u003c\/strong\u003e Clean all mating surfaces to ensure they are free of debris, corrosion, and old sealant.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInstall the New Washer:\u003c\/strong\u003e Place the new 12-39116 flat washer in the correct position.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReassemble \u0026amp; Torque:\u003c\/strong\u003e Re-install the fastener and torque it to the manufacturer's specified value. Do not overtighten.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinal Check:\u003c\/strong\u003e Once assembled, reconnect power, run the engine, and check thoroughly for any leaks or unusual vibrations.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n \u003csummary\u003eHow do I confirm this washer fits my engine?\u003c\/summary\u003e\n \u003cp\u003eThe best way to confirm fitment is to match your engine's model, year, and serial number against our compatibility chart. This part is a direct replacement for OEM part number 12-39116. If your service manual specifies this part number, it will fit.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWhat are the signs of a failing washer?\u003c\/summary\u003e\n \u003cp\u003eSigns of a worn or failing washer include fluid leaks around the seal, visible corrosion, or loose fittings that cannot be tightened. During routine maintenance, any washer that appears overly compressed or damaged should be replaced.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eCan I reuse my old washer?\u003c\/summary\u003e\n \u003cp\u003eWe do not recommend reusing washers, especially in sealing applications. They are typically single-use components that compress and deform to create a seal. Reusing one may result in leaks or improper fastening.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eAre the product dimensions correct?\u003c\/summary\u003e\n \u003cp\u003eThe washer is manufactured to the precise inner diameter, outer diameter, and thickness specifications for OEM part 12-39116. The dimensions listed in our specs (8.5 in × 10.0 in × 0.1 in) refer to the shipping package, not the washer itself.\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\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\u003csection\u003e\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":50590211342651,"sku":"12-39116","price":7.47,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12-39116_1cf37a82-2e26-43ae-8a2e-973f3276b6fa.jpg?v=1758080232"},{"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":"trim-cylinder-overhaul-kit-fits-mercury-mercruiser-mc-i-sterndrives-replaces-45522a3","title":"Trim Cylinder Overhaul Kit – Fits Mercury MerCruiser MC-I Sterndrives (Replaces 45522A3)","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 aftermarket \u003cstrong\u003eTrim Cylinder Overhaul Kit\u003c\/strong\u003e is designed for a wide range of MerCruiser MC-I sterndrives from 1970 to 1982. It fits various models including the 120\/140, 165, 225-S, 233, 250, 260, 470, 485, 888, and 898 series.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for Mercury OEM part number 45522A3.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for direct OEM replacement installation.\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary components for a complete overhaul.\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\u003c\/td\u003e\n \u003ctd\u003e45522A3\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 Engines: Please verify your model and serial number range against the data below 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\u003e120\/140\u003c\/td\u003e\n\u003ctd\u003e120\/140\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1970–1977\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 2791957 THRU 4893634\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e120\/140\u003c\/td\u003e\n\u003ctd\u003e120\/140\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4893635 THRU 6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e165\u003c\/td\u003e\n\u003ctd\u003e165\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1970–1977\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 2763442 THRU 4890459\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e165\u003c\/td\u003e\n\u003ctd\u003e165\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1981\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4890460 \u0026amp; Up\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\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1974\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 3856268 THRU 4200499\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4782330 THRU 4898729\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e228\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4898730 THRU 6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e233\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\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4200500 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4791300 THRU 4898729\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4898730 THRU 6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1976–1977\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4208730 THRU 4893934\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4893835 THRU 6225576\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e485\u003c\/td\u003e\n\u003ctd\u003e185\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1980–1982\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4893835 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e888\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1971–1977\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 3106717 AND UP\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e898\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4782330 THRU 4898729\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e898\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1982\u003c\/td\u003e\n\u003ctd\u003e45522A3\u003c\/td\u003e\n\u003ctd\u003eSerial Numbers: 4898730 THRU 6225576\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\u003eTrim Cylinder Overhaul Kit\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect OEM replacement\u003c\/dd\u003e\n \u003cdt\u003ePackage Weight\u003c\/dt\u003e\n\u003cdd\u003e0.54 kg (1.20 lb)\u003c\/dd\u003e\n \u003cdt\u003ePackage Dimensions\u003c\/dt\u003e\n\u003cdd\u003eLength: 5.0 in, Width: 5.0 in, Height: 33.5 in\u003c\/dd\u003e\n \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1-Year Manufacturer Warranty\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 Trim Cylinder Overhaul Kit (replaces 45522A3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eEnsure the engine is off and the sterndrive is in the fully down position. Disconnect the battery.\u003c\/li\u003e\n \u003cli\u003ePlace a drain pan under the trim cylinders to catch any hydraulic fluid.\u003c\/li\u003e\n \u003cli\u003eCarefully disconnect the hydraulic lines from the cylinders. Be prepared for fluid spillage.\u003c\/li\u003e\n \u003cli\u003eRemove the upper and lower cylinder hinge pins to free the cylinders from the gimbal housing.\u003c\/li\u003e\n \u003cli\u003eTake the cylinder to a clean workbench to begin disassembly.\u003c\/li\u003e\n \u003cli\u003eUse a pin wrench to remove the end cap. Do not use a pipe wrench, as it can damage the cylinder.\u003c\/li\u003e\n \u003cli\u003eCarefully slide out the piston rod assembly, keeping all components in order.\u003c\/li\u003e\n \u003cli\u003eRemove the old seals from the end cap and piston, then clean all components thoroughly.\u003c\/li\u003e\n \u003cli\u003eInstall the new seals from the kit, ensuring they are properly seated and lubricated with fresh hydraulic fluid.\u003c\/li\u003e\n \u003cli\u003eReassemble the cylinder, torquing the end cap to the manufacturer's specification.\u003c\/li\u003e\n \u003cli\u003eReinstall the overhauled cylinders onto the sterndrive, reconnect hydraulic lines, and torque all fasteners properly.\u003c\/li\u003e\n \u003cli\u003eFill and bleed the power trim system according to your service manual, then check for leaks and proper operation.\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 specific MerCruiser sterndrive?\u003c\/summary\u003e\u003cp\u003eThis kit is designed for MC-I sterndrives. The most reliable way to confirm fitment is to check your engine's serial number against the ranges listed in the Engine \u0026amp; Model Compatibility table.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs that my trim cylinders need to be overhauled?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include the sterndrive drifting down, jerky or slow trim operation, or visible hydraulic fluid leaks around the cylinder seals or lines.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this kit include hydraulic fluid?\u003c\/summary\u003e\u003cp\u003eNo, hydraulic fluid is not included. You will need to use a fluid that meets the specifications recommended by your engine's service manual.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs a special tool required for installation?\u003c\/summary\u003e\u003cp\u003eWhile many steps can be completed with standard garage tools, a pin wrench is highly recommended to safely remove and install the cylinder end cap without causing damage.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between OEM and aftermarket parts?\u003c\/summary\u003e\u003cp\u003eThis listing is for an aftermarket replacement, not an OEM part. It is built to the same or higher specifications as the original, often in the same factories, using comparable materials. Our parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow fast do you ship and what does it cost?\u003c\/summary\u003e\u003cp\u003eWe ship worldwide, with most orders arriving within 5–15 days. Standard shipping is typically free, with expedited options available at checkout for an additional cost depending on your location.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\u003cp\u003eThis product is covered by a 1-year warranty against any manufacturing defects under normal use. If you encounter an issue, please contact our support team with your order details. Returns are accepted within our standard returns window for unused items in their original packaging. Please see our full policy page or contact us 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 and specifications against your original part before purchasing. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement component, not an original equipment manufacturer (OEM) part.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is highly recommended for safety and optimal 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 rigorously tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — We offer free standard delivery to most regions, with typical transit times of 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — By working directly with manufacturers, we provide fair pricing without compromising on materials or quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50597931876667,"sku":"45522A3","price":269.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/45522A3_95c3c74f-2a3a-4be5-821d-e608e919b1c5.jpg?v=1758508158"},{"product_id":"shim-kit-fits-mercruiser-stern-drives-c-r-replaces-15-31535a1","title":"Shim Kit – Fits Mercruiser Stern Drives C.R. (Replaces 15-31535A1)","description":"\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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003eShim Kit – Fits Mercruiser Stern Drives C.R. (Replaces 15-31535A1)\u003c\/strong\u003e is designed for a wide range of Mercruiser stern drive engines manufactured between 1962 and 1977. Compatible models include the 120\/140, 160, 165, 225-S, 233, 250, 470, 888, and 898\/228 series, as well as select Mercury Racing outboards.\u003c\/p\u003e\n\u003cp\u003eThis kit serves as a direct replacement for Mercury\/Mercruiser part number 15-31535A1 and SEI part number 98-108-06K, ensuring precise fitment and function for maintenance or repair.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Location:\u003c\/strong\u003e Mounts between the bearing carrier and the gear housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Marine Use:\u003c\/strong\u003e All components are rated for demanding marine environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Adjustments:\u003c\/strong\u003e Includes multiple shim thicknesses required for adjusting bearing preload and gear backlash.\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\u003e15-31535A1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSEI\u003c\/td\u003e\n \u003ctd\u003e98-108-06K\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\u003eThis kit is verified for numerous Mercruiser stern drives, Alpha One Gen II counter-rotation models, and specific Mercury Racing\/Mariner outboards as detailed in the compatibility chart.\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\u003e120\/140\u003c\/td\u003e\n \u003ctd\u003e120-140\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1967–1969\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 2062141-2791956\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e120\/140\u003c\/td\u003e\n \u003ctd\u003e120-140\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970–1977\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 2791957-4893634\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e160\u003c\/td\u003e\n \u003ctd\u003e160\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1967–1969\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 2065190-2763441\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e165\u003c\/td\u003e\n \u003ctd\u003e165\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970–1977\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 2763442-4890459\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\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1974\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 3856268-4200499\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e233\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\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 4200500 and up\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e250\u003c\/td\u003e\n \u003ctd\u003e250\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1977\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 4791300-4898729\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e470\u003c\/td\u003e\n \u003ctd\u003e170\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1976–1977\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 4208730-4893934\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e888\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\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 3106717 and up\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e898\/228\u003c\/td\u003e\n \u003ctd\u003e228\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1977\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 4782330-4898729\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003eIA\/IB\/IC (EZ-SHIFT)\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1965–1966\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 1776349-2065189\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003eIA\/IB\/IC\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1964\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 1684188-1777798\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003eII (1.78:1)\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1968–1969\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 2398798-2671321\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003eII\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1962–1963\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 1474909-1602185\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003eII\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1964–1967\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 1602186-2278488\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury Racing\u003c\/td\u003e\n \u003ctd\u003eMERC MOD-VP\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 83B807 and up\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n \u003ctd\u003e2.4L (EFI)\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 0A168043 and below\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n \u003ctd\u003e2.4L (EFI)\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e15-31535A1\u003c\/td\u003e\n \u003ctd\u003eSerial: 0A168044-0B290009\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003eAlpha One Generation II Counter Rotation\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e1991+\u003c\/td\u003e\n \u003ctd\u003e31535A1\u003c\/td\u003e\n \u003ctd\u003eFits SEI Marine Products part 98-108-06K\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\u003eShim Kit\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBearing Carrier to Gear Housing\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMetal (likely steel)\u003c\/dd\u003e\n \u003cdt\u003eWorking Pressure\u003c\/dt\u003e\n\u003cdd\u003eMarine environment rated\u003c\/dd\u003e\n \u003cdt\u003eProduct Height\u003c\/dt\u003e\n\u003cdd\u003e0.4\"\u003c\/dd\u003e\n \u003cdt\u003eProduct Width\u003c\/dt\u003e\n\u003cdd\u003e14.0\"\u003c\/dd\u003e\n \u003cdt\u003eProduct Length\u003c\/dt\u003e\n\u003cdd\u003e13.0\"\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 Shim Kit (\u003cspan style=\"color:#d0021b;\"\u003e0.002\", 0.003\", 0.005\", 0.010\" shims\u003c\/span\u003e) (Replaces 15-31535A1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eEnsure the engine is off and the drive is safely secured before starting work.\u003c\/li\u003e\n \u003cli\u003eDisassemble the lower unit to access the bearing carrier, following your specific model's service manual.\u003c\/li\u003e\n \u003cli\u003eRemove the old bearing carrier and shims, cleaning all mating surfaces thoroughly.\u003c\/li\u003e\n \u003cli\u003eSelect the appropriate combination of new shims from the kit to achieve the required gear backlash and bearing preload. This is a critical step that requires precise measurement with a dial indicator.\u003c\/li\u003e\n \u003cli\u003eInstall the new shims and reinstall the bearing carrier.\u003c\/li\u003e\n \u003cli\u003eTorque all fasteners to the manufacturer's specified values.\u003c\/li\u003e\n \u003cli\u003eReassemble the drive unit, refill with gear lube, and test for proper operation.\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 shim kit will fit my specific Mercruiser model?\u003c\/summary\u003e\u003cp\u003eThe best way to confirm is by checking your engine's serial number against the ranges provided in the Engine \u0026amp; Model Compatibility table. This kit is designed for a broad range of models from 1962–1977 and newer Alpha One Gen II counter-rotation drives.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the purpose of this shim kit?\u003c\/summary\u003e\u003cp\u003eThis shim kit is used to set the correct distance and clearance (preload and backlash) for the gears and bearings within the sterndrive's lower unit. Proper shimming is essential for quiet operation, smooth shifting, and preventing premature gear wear.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eAre all the shim thicknesses required for installation?\u003c\/summary\u003e\u003cp\u003eNo. You will use a specific combination of the included shims to achieve the precise measurements required by your drive's service manual. The variety of thicknesses allows for fine-tuned adjustments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are signs that my old shims or bearings need replacement?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include a grinding or whining noise from the drive unit, excessive vibration, difficulty shifting, or the presence of metal shavings in the gear lube. These indicate internal wear that may require disassembly and re-shimming.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this kit for standard or counter-rotation drives?\u003c\/summary\u003e\u003cp\u003eThis kit fits a wide array of standard rotation drives from 1962-1977, and it is also explicitly compatible with Mercruiser Alpha One Generation II Counter Rotation models from 1991 and newer.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy are there different thicknesses included in the kit?\u003c\/summary\u003e\u003cp\u003eThe different thicknesses (0.002\", 0.003\", 0.005\", 0.010\") allow a technician to create the exact total shim stack thickness needed to meet the manufacturer's specification for gear alignment and bearing preload, compensating for manufacturing tolerances in the housing and components.\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":50597935808827,"sku":"15-31535A1","price":19.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/15-31535A1_acd02b57-f376-45e4-947b-59a291f34403.jpg?v=1758508272"},{"product_id":"prestolite-tune-up-kit-fits-mercruiser-3-0l-3-7l-3-8l-5-7l-v8-engines-replaces-392-6324q1","title":"Prestolite Tune-Up Kit – Fits MerCruiser 3.0L\/3.7L\/3.8L\/5.7L\/V8 Engines (Replaces 392-6324Q1)","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\u003ePrestolite Tune-Up Kit\u003c\/strong\u003e is designed for a range of marine engines, including MerCruiser 3.0L, 3.7L, 3.8L (V-6), 5.7L, and V8 models equipped with Prestolite Conventional Ignition Systems that use screw-down caps. It also offers compatibility for select Volvo Penta, Crusader, and Pleasurecraft applications using Prestolite ignition.\u003c\/p\u003e\n \u003cp\u003eIt serves as a direct interchange for several part numbers, including Mercury\/Quicksilver 392-6324Q1, 6324Q1, 6324A1, and OMC 173829, 987926.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eInstalls as a direct replacement for conventional Prestolite systems with screw-down caps.\u003c\/li\u003e\n \u003cli\u003eKit includes essential ignition components: points, condenser, and rotor.\u003c\/li\u003e\n \u003cli\u003eDesigned for use in gasoline marine engines.\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 \/ Quicksilver\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury \/ Quicksilver\u003c\/td\u003e\n\u003ctd\u003e6324Q1\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury \/ Quicksilver\u003c\/td\u003e\n\u003ctd\u003e6324A1\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e173829\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e987926\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\u003e\u003cb\u003eFor MerCruiser applications:\u003c\/b\u003e Fits various V-6 and V8 engines with Prestolite Conventional Ignition Systems and screw-down caps.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eFor Volvo Penta applications:\u003c\/b\u003e Compatible with some models using a Prestolite #IBM-7013A distributor with a screw-down cap.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eFor OMC applications:\u003c\/b\u003e Functions as a replacement for part numbers 173829 and 987926 in select applications.\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\u003e3.0L Alpha\u003c\/td\u003e\n\u003ctd\u003e140\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e3.0L\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e3.7L Alpha\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3 V6\u003c\/td\u003e\n\u003ctd\u003e175\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–1990\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3LX Gen II\u003c\/td\u003e\n\u003ctd\u003e195\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3LX Gen II\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e302 V8 Ford\u003c\/td\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1974\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\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\u003e228\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.0 V8\u003c\/td\u003e\n\u003ctd\u003e230\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990–1993\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003eV8 Ford\u003c\/td\u003e\n\u003ctd\u003e233\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7 V8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003eV8 350 MAG\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1991\u003c\/td\u003e\n\u003ctd\u003e392-6324Q1\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\u003eModels with Prestolite distributor #IBM-7013A\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\u003eRequires screw-down cap\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\u003e173829, 987926\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\u003eIgnition Tune-Up Kit\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement for conventional Prestolite ignition systems with screw-down caps\u003c\/dd\u003e\n \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e7.5 x 6.0 x 1.63 inches\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.10 lb (0.045 kg)\u003c\/dd\u003e\n \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e30 days (varies by retailer)\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFor MerCruiser engines with Prestolite Conventional Ignition Systems having screw-down caps\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 Ignition Points\u003c\/li\u003e\n \u003cli\u003e1 x Condenser\u003c\/li\u003e\n \u003cli\u003e1 x Rotor\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 to prevent electrical shorts.\u003c\/li\u003e\n \u003cli\u003eCarefully unclip or unscrew the distributor cap and move it aside.\u003c\/li\u003e\n \u003cli\u003eNote the orientation of the rotor, then pull it straight off the distributor shaft.\u003c\/li\u003e\n \u003cli\u003eDisconnect the primary wire and remove the mounting screws for the old points and condenser. Remove the parts.\u003c\/li\u003e\n \u003cli\u003eInstall the new condenser and points. Set the point gap according to your engine’s service manual specifications.\u003c\/li\u003e\n \u003cli\u003eInstall the new rotor, ensuring it is seated correctly.\u003c\/li\u003e\n \u003cli\u003eReinstall the distributor cap, secure the clips or screws, and reconnect the battery cable.\u003c\/li\u003e\n \u003c\/ol\u003e\n\n \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n \u003cdetails\u003e\u003csummary\u003eHow do I confirm this kit fits my engine?\u003c\/summary\u003e\u003cp\u003eThis kit is for engines with Prestolite conventional ignition systems and screw-down distributor caps. Verify your engine model in the compatibility table and cross-reference the part number with your service manual. Visually comparing the rotor and points to your old parts is also a reliable check.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eWhat are common symptoms of failing ignition points or a bad condenser?\u003c\/summary\u003e\u003cp\u003eSigns include engine misfires, hard starting, rough idling, poor acceleration, and reduced fuel economy. A visual inspection may show pitted, corroded, or burned contact points.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eIs setting the point gap necessary during installation?\u003c\/summary\u003e\u003cp\u003eYes, setting the correct point gap is critical for proper ignition timing and dwell angle. Use a feeler gauge and refer to your engine's service manual for the exact specification. An incorrect gap can lead to poor performance and potential engine damage.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eHow often should I replace these ignition parts?\u003c\/summary\u003e\u003cp\u003eFor conventional ignition systems, a typical service interval is every 100-200 operating hours or annually, whichever comes first. Refer to your engine’s maintenance schedule for specific recommendations.\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":50602576085307,"sku":"392-6324Q1","price":25.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/392-6324Q1_5943d596-aeb7-4e06-9f91-47a53d62cf1c.jpg?v=1758594805"}],"url":"https:\/\/seasierra.com\/collections\/mercruiser-4-stroke-233hp-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}