{"title":"MerCruiser 4-Stroke 385HP Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:1000px;\"\u003e\n  \u003cp\u003eThis page focuses on MerCruiser 4‑Stroke 385 HP marine engines (big‑block V8 sterndrive packages). Use it to find compatible parts, maintenance intervals, and troubleshooting guidance. You can also browse the main MerCruiser collection for a wider range of components. Scroll to the bottom of this page to start browsing parts for this engine, and on the collection page use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser\" style=\"display:inline-block;margin-top:8px;padding:10px 14px;background:#0f766e;color:#ffffff;text-decoration:none;border-radius:6px;\"\u003eBrowse All MerCruiser Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px;max-width:1000px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 385 HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the engine serial plate: typically on a decal near the flame arrestor\/air intake or on the starboard side of the block. The sterndrive (Bravo\/Alpha) has a separate serial on the gimbal\/drive housing.\u003c\/li\u003e\n    \u003cli\u003eRead the package code: look for displacement and series (e.g., 7.4L\/8.2L MAG), drive family (Bravo I\/II\/III), and cooling type (raw‑water vs. closed cooling\/heat exchanger). Suffixes can indicate emissions or control type (mechanical vs. DTS).\u003c\/li\u003e\n    \u003cli\u003ePlatform cues: 7.4L (454) and 8.2L (502) big‑block V8s may differ in belt routing, seawater pump style, and ECU\/EFI hardware; match parts to your exact serial range.\u003c\/li\u003e\n    \u003cli\u003eRecord both engine and drive serials before ordering; some parts (bellows, anodes, gearcase seals) are specific to the sterndrive model and ratio.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;max-width:1000px;\"\u003e\n  \u003ch2\u003eEngine Platform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eBig‑Block V8 7.4L (454) Packages\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eV8 4‑stroke, 7.4L big‑block; carb\/TBI\/MPI depending on year; Bravo sterndrive packages common in the 300–385 HP range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eExamples include 7.4L MAG\/MPI Bravo packages around 350–385 HP (exact output varies by calibration and cooling).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eHigh torque, robust duty cycle for heavy boats, widely supported parts ecosystem.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eMatch seawater pump impellers and anodes to cooling type and Bravo drive; verify thermostat spec and ignition components by serial.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eBig‑Block V8 8.2L (502) MAG Packages\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eV8 4‑stroke, 8.2L MAG MPI; typically paired with Bravo I\/II\/III; common outputs ~380–430 HP.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e8.2 MAG packages (e.g., ~380 HP variants) with DTS or mechanical controls and optional closed cooling.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eStrong mid‑range punch, refined EFI, compatible with heavy hulls and watersports gearing.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eUse correct Bravo anode kit (aluminum\/magnesium for your water type); impeller service is critical for heat‑exchanger reliability.\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:16px;max-width:1000px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for MerCruiser big‑block 4‑stroke sterndrive packages. Always follow the official service manual for your exact serial range and operating conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eUse marine FC‑W oil; change sooner for heavy load or dusty conditions.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eGear oil (Bravo\/Alpha drive)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect for water intrusion\/metal; pressure test after seal work.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-service-maintenance-kits\"\u003eMerCruiser Service \u0026amp; Maintenance Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eConfirm correct heat range\/gap per engine serial and ECU calibration.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hrs or seasonally\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eDrain\/replace more often with E10 fuel or contamination risk.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eRaw‑water pump impeller\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e200 hrs or every 2 seasons\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCritical for cooling; replace sooner if run dry or debris found.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eAnodes (engine\/drive)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect 50 hrs; replace when 50% gone\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eChoose material for your water (aluminum\/magnesium). Keep paint off anodes.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eSerpentine\/accessory belt\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect each season; replace ~300 hrs\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eReplace if cracked\/glazed; tension per spec.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/belt\"\u003eBelts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eThermostat \u0026amp; gasket\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e3–5 years or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eSticking thermostats cause rich running\/overheat; replace with gasket.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-gaskets\"\u003eMerCruiser Gaskets\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eAir filter \/ flame arrestor service\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect\/clean each season\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eKeep free of oil\/dust for proper airflow; replace if damaged.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-air-filters\"\u003eMerCruiser Air Filters\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:16px;max-width:1000px;\"\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 \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-alternators\"\u003eMerCruiser Alternators\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eStarter \u0026amp; Charging: \u003ca href=\"https:\/\/seasierra.com\/collections\/starters\"\u003eStarters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eExhaust \u0026amp; Cooling Hardware: \u003ca href=\"https:\/\/seasierra.com\/collections\/manifolds\"\u003eManifolds\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hardware: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser-propellers\"\u003eMerCruiser Propellers\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  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px;max-width:1000px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eOverheat alarm \/ high temperature\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect seawater strainer\/seacock, intake screen, belt tension, and raw‑water pump impeller.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eWater pump impeller\/kit, thermostat, intake screen, hoses, belt.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCheck prop condition\/pitch, fuel filter\/water separator, and ignition (plugs\/wires).\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePropeller, fuel filter, spark plugs, air filter.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eVerify battery voltage and connections, inspect plugs, and confirm clean fuel supply.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eStarter, spark plugs, fuel filter, sensors (IAC\/ECT), air filter.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eDrain and inspect lube; check u‑joints\/gimbal; pressure‑test for leaking seals.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eLower unit seal kit, bellows, bearings, gear lube.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eLow voltage \/ charging warning\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eTest alternator output, belt slip, and battery health.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eAlternator, belt, regulator, battery cables.\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:16px;max-width:1000px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between 7.4L and 8.2L big‑block platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome service items overlap, but many components (cooling pumps, ignition\/ECU hardware, manifolds, anodes, and drive hardware) are platform‑ and serial‑specific. Always confirm by engine and drive serial numbers.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the raw‑water pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eAs a preventive measure every 200 hours or two seasons, whichever comes first. Replace immediately if you see reduced water flow, elevated temperatures, or after any run‑dry event.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change sterndrive gear oil?\u003c\/summary\u003e\n    \u003cp\u003eTypically every 100 hours or annually. Inspect for water intrusion or metal debris; if present, address seals and perform a pressure\/vacuum test before returning to service.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the engine serial number, sterndrive serial number (Bravo\/Alpha), cooling type (raw vs. closed), and any control system details (mechanical vs. DTS). Photos of the nameplate and current part help verify a match.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px;max-width:1000px;\"\u003e\n  \u003cp\u003eReady to find the right components? Browse the main MerCruiser collection and refine by horsepower, year, and model to locate parts for your 385 HP package.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercruiser\" style=\"display:inline-block;margin:8px 0 4px;padding:10px 14px;background:#1d4ed8;color:#ffffff;text-decoration:none;border-radius:6px;\"\u003eShop MerCruiser Parts\u003c\/a\u003e\n  \u003cp style=\"font-size:0.95em;color:#374151;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"mechanical-fuel-pump-fits-mercruiser-v8-454-502-cid-7-4l-8-2l-replaces-861677t","title":"Mechanical Fuel Pump – Fits MerCruiser V8 454\/502 CID (7.4L\/8.2L) (Replaces 861677T)","description":"\u003csection id=\"product-details\"\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis is an aftermarket \u003cstrong\u003eMechanical Fuel Pump – Fits MerCruiser V8 454\/502 CID (7.4L\/8.2L) (Replaces 861677T)\u003c\/strong\u003e, designed for V-8 MerCruiser stern drive and inboard engines with 454 and 502 CID (7.4L and 8.2L) GM blocks. It is engineered for applications using a sea water pump with a mounted mechanical fuel pump.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for Mercury\/Quicksilver part numbers 861677T, 818383T, and Sierra 18-8860.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Mounts directly onto the sea-pump assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel System:\u003c\/strong\u003e Designed for gasoline-fueled engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e Comes with the required mounting gasket for a complete installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\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\u003csection id=\"part-number-matrix\"\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 \/ Quicksilver\u003c\/td\u003e\n        \u003ctd\u003e861677T\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury \/ Quicksilver\u003c\/td\u003e\n        \u003ctd\u003e818383T\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-8860\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-compatibility\"\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 fuel pump is compatible with specific General Motors big block engines used by MerCruiser. Verify your model and original part number before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Compatible Engine Models for MerCruiser\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\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\u003eV8 454 CID\u003c\/td\u003e\n        \u003ctd\u003e330-385\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e861677T\u003c\/td\u003e\n        \u003ctd\u003eGM Big Block\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eV8 502 CID\u003c\/td\u003e\n        \u003ctd\u003e415-425\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e861677T\u003c\/td\u003e\n        \u003ctd\u003eGM Big Block\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e7.4L\u003c\/td\u003e\n        \u003ctd\u003e330-385\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e861677T\u003c\/td\u003e\n        \u003ctd\u003eGM Big Block\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e8.2L\u003c\/td\u003e\n        \u003ctd\u003e415-425\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e861677T\u003c\/td\u003e\n        \u003ctd\u003eGM Big Block\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"technical-specs\"\u003e\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\u003eSea-pump mounted\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eConnection Orientation\u003c\/dt\u003e\n\u003cdd\u003eInlet at 9 o'clock, Outlet at 6 o'clock\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMetal\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eSilver\/Chrome\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eL: 165mm × W: 120mm × H: 120mm\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.79 kg (1.74 lbs)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eFlange Mount\u003c\/dd\u003e\n  \u003cdt\u003eOther Attributes\u003c\/dt\u003e\n\u003cdd\u003eFor use on sea water pumps with mechanical fuel pump mounted applications\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 year factory warranty against defects and workmanship\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"whats-in-the-box\"\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 Fuel Pump Assembly (861677T)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Gasket (27-34213)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"installation-notes\"\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and relieve any pressure from the fuel system.\u003c\/li\u003e\n  \u003cli\u003ePlace absorbent rags under the fuel lines to catch any spills.\u003c\/li\u003e\n  \u003cli\u003eCarefully disconnect the inlet and outlet fuel lines from the pump.\u003c\/li\u003e\n  \u003cli\u003eRemove the mounting bolts that secure the old fuel pump to the engine block or sea-pump.\u003c\/li\u003e\n  \u003cli\u003eRemove the old pump and gasket. Thoroughly clean the mounting surface to ensure a proper seal.\u003c\/li\u003e\n  \u003cli\u003ePlace the new gasket onto the mounting surface.\u003c\/li\u003e\n  \u003cli\u003eInstall the new fuel pump and tighten the mounting bolts to the manufacturer's recommended torque.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel lines securely.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery, prime the fuel system, and start the engine. Check carefully for any fuel leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\"\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if this fuel pump fits my MerCruiser engine?\u003c\/summary\u003e\n  \u003cp\u003eThis pump is designed for MerCruiser V8 454\/502 CID (7.4L\/8.2L) GM engines where the mechanical fuel pump is mounted on the sea water pump. The best way to confirm fitment is to match your original part number to the ones listed: 861677T, 818383T, or Sierra 18-8860. Also, check the connection orientation (inlet at 9 o'clock, outlet at 6 o'clock).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the common signs of a failing mechanical fuel pump?\u003c\/summary\u003e\n  \u003cp\u003eSymptoms of a bad fuel pump include engine sputtering at high speeds, loss of power, difficulty starting, or engine stalling. You might also notice fuel leaking from the pump housing, which is a serious safety hazard and requires immediate attention.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should a mechanical fuel pump be replaced?\u003c\/summary\u003e\n  \u003cp\u003eThere is no fixed replacement interval for mechanical fuel pumps. They are typically replaced when they fail or show signs of wear. Regular inspection for leaks and performing fuel pressure tests during routine maintenance can help identify a weakening pump before it fails completely.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a difficult part to install?\u003c\/summary\u003e\n  \u003cp\u003eFor someone with intermediate mechanical skill, the replacement is straightforward. It requires basic hand tools, care in handling fuel lines, and ensuring the mounting surface is clean for a good seal. However, due to the fire risk associated with fuel systems, professional installation is always recommended if you are not completely comfortable with the process.\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). It is built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility and batch-inspected for consistency and reliability.\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 is 5–15 days. Standard shipping is free, and expedited options may be available at checkout depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n  \u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window for items that are unused and in their original condition. See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"safety-info\"\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images and specifications against your original part before purchase. If anything differs—even if your model appears compatible—do not order.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement component, not an OEM part.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"about-us\"\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 quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50587184857403,"sku":"861677T","price":291.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/861677T_3046d201-cac8-44a2-bd3f-bcc680039f42.jpg?v=1757934197"},{"product_id":"exhaust-manifold-gasket-fits-mercruiser-omc-volvo-penta-v8-454-540-cid-replaces-27-46820","title":"Exhaust Manifold Gasket – Fits MerCruiser, OMC, Volvo Penta V8 454-540 CID (Replaces 27-46820)","description":"\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis high-quality \u003cstrong\u003eExhaust Manifold Gasket – Fits MerCruiser, OMC, Volvo Penta V8 454-540 CID (Replaces 27-46820)\u003c\/strong\u003e provides a crucial seal between the cylinder head and the exhaust manifold, preventing exhaust gas leaks. It is engineered for a wide range of V8 big block GM engines, including MerCruiser 454, 482, 496, 502, and 540 CID models (1978–2001), Volvo Penta V8 454\/502 CID engines (1992+), and various OMC and Crusader V8 power plants.\u003c\/p\u003e\n  \u003cp\u003eThis gasket serves as a direct replacement for numerous OEM and aftermarket part numbers, including Mercury 27-46820, Volvo Penta 3852472, OMC 3852472, Crusader 96653, and Sierra 18-0418, ensuring broad compatibility.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eInstalls directly between the cylinder head and the exhaust manifold.\u003c\/li\u003e\n    \u003cli\u003eMade from a durable composite and metal material blend to withstand high temperatures and the harsh marine environment.\u003c\/li\u003e\n    \u003cli\u003eGuaranteed to meet or exceed original equipment specifications for fit, form, and function.\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  \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  \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\u003e27-46820\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e27-46820A1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e3852472\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e0508878\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e0778127\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e0909613\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e3852472\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCrusader\u003c\/td\u003e\n\u003ctd\u003e96653\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-0418\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e33760\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOSCO\u003c\/td\u003e\n\u003ctd\u003eCW-GH\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBarr\u003c\/td\u003e\n\u003ctd\u003eCHVA470000\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBarr\u003c\/td\u003e\n\u003ctd\u003eMC47-27-46820\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\u003eFits a comprehensive range of Mercury \/ MerCruiser V8 big block models from 1978 to 2001. Please verify your engine's serial number falls within the specified ranges for an exact match.\u003c\/p\u003e\n  \u003cp\u003eCompatible with Volvo Penta 7.4L (454) and 8.2L (502) GM-based engines manufactured from 1992 onward.\u003c\/p\u003e\n  \u003cp\u003eSuitable for specific OMC and Crusader V8 engines utilizing GM 454 and 502 CID blocks in sterndrive and inboard configurations.\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\u003e370 TRS GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1978–1985\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #4179554-6721527\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e370 TRS GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1985–1987\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #6721528-0B714586\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e400 TRS GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e340\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1980–1986\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #4179554-0B457644\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e420 GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e420\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–1989\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0A398941-0B622418\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e425 GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e425\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990–1992\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0A398941-0D937011\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e425 (GEN. V) GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e425\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–1993\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0A398941-0D937011\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e440 TRS GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e440\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1983–1986\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #4179554-0B485220\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e450 (GEN. V) GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e450\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995–1996\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0F347100-0F347277\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e460 TRS GM 482 V-8\u003c\/td\u003e\n\u003ctd\u003e460\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1983–1986\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #4179554-6181046\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e465 GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e465\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990–1992\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0C849992-0F213244\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e465 (GEN. V) GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e465\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–1994\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0C849992-0F213244\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e500 (GEN. V) GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994–1995\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0F213293-0F615766\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e500 (GEN. V) GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0F615767-0F745159\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e500 (GEN. VI) GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–1998\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0F745195-0F877722\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e500 (GEN. VI) GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–1998\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0K000001-0L000737\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e500 (GEN. VI) GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–1998\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0L000768-0L001772\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e500 (GEN. +) GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0L414639-0L601036\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e500 Bulldog GM 540 V-8\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990–1996\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0C577254-0F745405\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e500 Bulldog\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2001\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0L414620-0M050281\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e525 SC GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1991–1992\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0D456000-0F348963\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e525 SC (GEN. V) GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–1995\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0D456000-0F348963\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e525 SC (GEN. V) GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0F615814-0F745215\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e600 SC GEN IV \u0026amp; V GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1991–1996\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0D456489-0F877642\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e454 MAG. BRAVO (GEN. V) GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e385\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–1994\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0D805069-0F304999\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e454 MAG. BRAVO (GEN. V) GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e385\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995–1996\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0F305000-0F801699\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e454 MAG. BRAVO (GEN. V) GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e385\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–1997\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0F801700-0K999999\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e454 MAG. BRAVO GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1992\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0B721206-0D805068\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e7.4L BRAVO (GEN. V) GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e310\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–1996\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0D603118-0F800699\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e7.4L BRAVO (GEN. VI) GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e310\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–1997\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0F800700-0K999999\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e7.4L MIE (LH) GEN. V GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e310\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–1996\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0D715494-0F820141\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e7.4L MIE (LH) GEN. VI GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e310\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–1997\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0F820142-0K999999\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e7.4l MIE W\/B\/W GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e310\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1992\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0B788366-0D715493\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e7.4L MIE W\/HURTH GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e310\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1989–1992\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0C391564-0D715493\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.2L MIE GEN. V GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e405\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1993–1996\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0D857200-0F819619\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.2L MIE W\/HURTH GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e405\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990–1992\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0C878221-0D857199\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e496 MAG (Base Model)\u003c\/td\u003e\n\u003ctd\u003e375\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000–2001\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0M025000-0M687082\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e496 MAG (H.O. Model)\u003c\/td\u003e\n\u003ctd\u003e425\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000–2001\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0M025000-0M687143\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.1L INBOARD (Base)\u003c\/td\u003e\n\u003ctd\u003e375\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000–2001\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0M026000-0M319124\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.1L INBOARD (H.O.)\u003c\/td\u003e\n\u003ctd\u003e420\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000–2001\u003c\/td\u003e\n\u003ctd\u003e27-46820\u003c\/td\u003e\n\u003ctd\u003eSerial #0M026000-0M319190\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8 7.4\/454\u003c\/td\u003e\n\u003ctd\u003e310+\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992+\u003c\/td\u003e\n\u003ctd\u003e3852472\u003c\/td\u003e\n\u003ctd\u003eGM-based engines\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eV8 8.2\/502\u003c\/td\u003e\n\u003ctd\u003e385+\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992+\u003c\/td\u003e\n\u003ctd\u003e3852472\u003c\/td\u003e\n\u003ctd\u003eGM-based engines\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e7.4L GM 454 CID V8\u003c\/td\u003e\n\u003ctd\u003e300+\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1991+\u003c\/td\u003e\n\u003ctd\u003e0909613\/3852472\u003c\/td\u003e\n\u003ctd\u003eSterndrive and inboard\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e8.2L GM 502 CID V8\u003c\/td\u003e\n\u003ctd\u003e375+\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1991+\u003c\/td\u003e\n\u003ctd\u003e0909613\/3852472\u003c\/td\u003e\n\u003ctd\u003eSterndrive and inboard\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCrusader\u003c\/td\u003e\n\u003ctd\u003e454 CID V8\u003c\/td\u003e\n\u003ctd\u003e300+\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990+\u003c\/td\u003e\n\u003ctd\u003e96653\u003c\/td\u003e\n\u003ctd\u003eInboard applications\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCrusader\u003c\/td\u003e\n\u003ctd\u003e502 CID V8\u003c\/td\u003e\n\u003ctd\u003e375+\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990+\u003c\/td\u003e\n\u003ctd\u003e96653\u003c\/td\u003e\n\u003ctd\u003eInboard applications\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eExhaust Manifold Gasket\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBetween cylinder head and exhaust manifold\u003c\/dd\u003e\n    \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eComposite \/ Metal\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eV8 Big Block GM engines\u003c\/dd\u003e\n    \u003cdt\u003eEngine Displacement\u003c\/dt\u003e\n\u003cdd\u003e454-540 CID (7.4-8.8L)\u003c\/dd\u003e\n    \u003cdt\u003eEngine Types\u003c\/dt\u003e\n\u003cdd\u003eStern drives and inboards\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e53.0 x 10.5 x 0.2 inches (1346.2 x 266.7 x 5.08 mm)\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.06 lbs (0.027 kg)\u003c\/dd\u003e\n    \u003cdt\u003eQuantity per Package\u003c\/dt\u003e\n\u003cdd\u003e1\u003c\/dd\u003e\n    \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 year manufacturer warranty\u003c\/dd\u003e\n    \u003cdt\u003eOEM Reference\u003c\/dt\u003e\n\u003cdd\u003eMercury-Mercruiser 27-46820\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 x Exhaust Manifold Gasket (27-46820)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eEnsure the engine is completely cool before beginning work.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the battery and relieve any pressure from the cooling system.\u003c\/li\u003e\n    \u003cli\u003eCarefully remove the exhaust manifold, taking note of all connections.\u003c\/li\u003e\n    \u003cli\u003eThoroughly clean both the cylinder head and manifold mating surfaces. Remove all traces of old gasket material and carbon buildup.\u003c\/li\u003e\n    \u003cli\u003ePosition the new gasket over the exhaust ports, ensuring correct alignment.\u003c\/li\u003e\n    \u003cli\u003eReinstall the exhaust manifold, and tighten the bolts in the sequence and to the torque specifications recommended by the manufacturer.\u003c\/li\u003e\n    \u003cli\u003eReconnect all hoses, sensors, and the battery.\u003c\/li\u003e\n    \u003cli\u003eStart the engine and carefully check for any exhaust or coolant leaks around the manifold.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I confirm this gasket fits my specific engine?\u003c\/summary\u003e\n    \u003cp\u003eThe best way to ensure compatibility is to match your existing part number to one listed in our Part Number Matrix. Additionally, check your engine model and serial number against our detailed compatibility tables. If you're still unsure, please contact us with your engine details before purchasing.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a failing exhaust manifold gasket?\u003c\/summary\u003e\n    \u003cp\u003eCommon symptoms include a loud ticking or tapping noise from the engine bay (especially when cold), visible soot or black streaks around the manifold-head connection, a decrease in engine performance or fuel efficiency, and the smell of exhaust fumes inside the boat.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should this gasket be replaced?\u003c\/summary\u003e\n    \u003cp\u003eExhaust manifold gaskets do not have a fixed replacement interval. They should be replaced whenever the exhaust manifold is removed for service or if any signs of a leak are detected. It is good practice to replace them when installing a new manifold.\u003c\/p\u003e\n  \u003c\/details\u003e\n    \u003cdetails\u003e\n    \u003csummary\u003eCan I reuse my old gasket?\u003c\/summary\u003e\n    \u003cp\u003eNo. We strongly advise against reusing old exhaust gaskets. They are designed for one-time use and crush to create a seal. Reusing an old gasket will almost certainly result in an improper seal and exhaust leaks.\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\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":50593339474235,"sku":"27-46820","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/27-46820_5ee0cbe9-f14b-4946-baf6-7e03292eeaa8.jpg?v=1758250822"},{"product_id":"oil-filter-fits-mercruiser-volvo-penta-omc-crusader-replaces-35-06003-3852030","title":"Oil Filter - Fits Mercruiser, Volvo Penta, OMC, Crusader (Replaces 35-06003, 3852030)","description":"\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis high-performance \u003cstrong\u003eOil Filter - Fits Mercruiser, Volvo Penta, OMC, Crusader (Replaces 35-06003, 3852030)\u003c\/strong\u003e is engineered for a wide range of gasoline marine engines. It is compatible with most Mercruiser V6 and V8 models (1977–Present) and Volvo Penta marine engines (1980–Present), including 3.0L, 4.3L, 5.0L, 5.7L, 6.2L, 7.4L, 8.1L, and 8.2L variants.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for Mercruiser 35-866340Q03, Volvo Penta 3852030, Indmar 501001, Pleasurecraft R077002, Crusader 201104, and OMC\/Johnson\/Evinrude 173233\/502901 series part numbers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy spin-on installation for quick maintenance.\u003c\/li\u003e\n\u003cli\u003eDurable steel housing protects against corrosion in marine environments.\u003c\/li\u003e\n\u003cli\u003eDesigned for use with gasoline-fueled V6 and V8 marine engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\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\u003e35-866340Q03 \/ 866340Q03 \/ 802885Q \/ 802885T\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3852030 \/ 3852412 \/ 835440\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eIndmar\u003c\/td\u003e\n        \u003ctd\u003e501001 \/ 872023\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePleasurecraft\u003c\/td\u003e\n        \u003ctd\u003eR077002\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCrusader\u003c\/td\u003e\n        \u003ctd\u003e201104\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC\/Johnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e173233 \/ 502901\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\u003eMercruiser Applications:\u003c\/b\u003e Suitable for most 4-stroke gasoline V6 and V8 engines from 1977 to present.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVolvo Penta Applications:\u003c\/b\u003e Fits a wide range of gasoline engines from 1980 to present.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther Applications:\u003c\/b\u003e Also fits various V6\/V8 engines from Indmar, Pleasurecraft, Crusader, and OMC.\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e3.0L Inline 4 Cylinder\u003c\/td\u003e\n        \u003ctd\u003e135-140\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977–Present\u003c\/td\u003e\n        \u003ctd\u003e35-866340Q03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e4.3L V6\u003c\/td\u003e\n        \u003ctd\u003e180-225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1987–Present\u003c\/td\u003e\n        \u003ctd\u003e35-866340Q03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e5.0L V8 (305 cu in)\u003c\/td\u003e\n        \u003ctd\u003e220-260\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1983–Present\u003c\/td\u003e\n        \u003ctd\u003e35-866340Q03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e5.7L V8 (350 cu in)\u003c\/td\u003e\n        \u003ctd\u003e220-320\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1983–Present\u003c\/td\u003e\n        \u003ctd\u003e35-866340Q03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e6.2L V8 (377 cu in)\u003c\/td\u003e\n        \u003ctd\u003e320-430\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010–Present\u003c\/td\u003e\n        \u003ctd\u003e35-866340Q03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e7.4L V8 (454 cu in)\u003c\/td\u003e\n        \u003ctd\u003e330-385\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1983–Present\u003c\/td\u003e\n        \u003ctd\u003e35-866340Q03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e8.1L V8 (496 cu in)\u003c\/td\u003e\n        \u003ctd\u003e370-420\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2000–Present\u003c\/td\u003e\n        \u003ctd\u003e35-866340Q03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e8.2L V8 (502 cu in)\u003c\/td\u003e\n        \u003ctd\u003e380-430\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1983–Present\u003c\/td\u003e\n        \u003ctd\u003e35-866340Q03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3.0L\u003c\/td\u003e\n        \u003ctd\u003e130-140\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1980–Present\u003c\/td\u003e\n        \u003ctd\u003e3852030\/3852412\/835440\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e4.3L\u003c\/td\u003e\n        \u003ctd\u003e180-225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1985–Present\u003c\/td\u003e\n        \u003ctd\u003e3852030\/3852412\/835440\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e5.0L\u003c\/td\u003e\n        \u003ctd\u003e220-270\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1985–Present\u003c\/td\u003e\n        \u003ctd\u003e3852030\/3852412\/835440\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e5.7L\u003c\/td\u003e\n        \u003ctd\u003e220-320\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1985–Present\u003c\/td\u003e\n        \u003ctd\u003e3852030\/3852412\/835440\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e6.2L\u003c\/td\u003e\n        \u003ctd\u003e320-430\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010–Present\u003c\/td\u003e\n        \u003ctd\u003e3852030\/3852412\/835440\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e7.4L\u003c\/td\u003e\n        \u003ctd\u003e330-385\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1985–Present\u003c\/td\u003e\n        \u003ctd\u003e3852030\/3852412\/835440\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e8.1L\u003c\/td\u003e\n        \u003ctd\u003e370-420\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2000–Present\u003c\/td\u003e\n        \u003ctd\u003e3852030\/3852412\/835440\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e8.2L\u003c\/td\u003e\n        \u003ctd\u003e380-430\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1985–Present\u003c\/td\u003e\n        \u003ctd\u003e3852030\/3852412\/835440\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eIndmar\u003c\/td\u003e\n        \u003ctd\u003eV8 engines\u003c\/td\u003e\n        \u003ctd\u003eVarious\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e501001\/872023\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePleasurecraft\u003c\/td\u003e\n        \u003ctd\u003eV8 engines\u003c\/td\u003e\n        \u003ctd\u003eVarious\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eR077002\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCrusader\u003c\/td\u003e\n        \u003ctd\u003eV8 engines\u003c\/td\u003e\n        \u003ctd\u003eVarious\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e201104\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC\/Johnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eV6\/V8 engines\u003c\/td\u003e\n        \u003ctd\u003eVarious\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e173233\/502901\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\u003eOil Filter\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eSpin-on\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eDirect thread\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eSteel\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eWhite\/Blue (varies by manufacturer)\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e10.5\" x 10.0\" x 9.0\"\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eThreaded\u003c\/dd\u003e\n  \u003cdt\u003eThread Size\u003c\/dt\u003e\n\u003cdd\u003e13\/16\" x 16 NPT\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003eVaries by manufacturer (typically 1 year)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eCommon marine engine oil filter for V6\/V8 petrol applications\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 x Oil Filter (varies by manufacturer)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePlace an oil drip pan under the existing filter and drain plug.\u003c\/li\u003e\n  \u003cli\u003eRun the engine for a few minutes to warm the oil, then shut it off.\u003c\/li\u003e\n  \u003cli\u003eUnscrew the old filter counter-clockwise. Use an oil filter wrench if it's too tight to remove by hand.\u003c\/li\u003e\n  \u003cli\u003eClean the filter mounting surface on the engine block, ensuring the old gasket is not stuck to it.\u003c\/li\u003e\n  \u003cli\u003eLightly coat the gasket of the new filter with a thin film of clean engine oil.\u003c\/li\u003e\n  \u003cli\u003eScrew the new filter on by hand until the gasket makes contact with the mounting surface.\u003c\/li\u003e\n  \u003cli\u003eTighten the filter an additional 3\/4 to one full turn by hand. Do not overtighten.\u003c\/li\u003e\n  \u003cli\u003eRefill the engine with the manufacturer-recommended grade and quantity of oil.\u003c\/li\u003e\n  \u003cli\u003eStart the engine and carefully check for any leaks around the new filter. Shut off the engine and re-check the oil level.\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 filter fits my specific engine model?\u003c\/summary\u003e\n  \u003cp\u003eThe best way to ensure compatibility is to verify your engine model and year against the lists in the \"Engine \u0026amp; Model Compatibility\" section. Additionally, cross-reference the part number stamped on your old filter with the numbers in our \"Part Number Matrix.\"\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the difference between the white and blue filters?\u003c\/summary\u003e\n  \u003cp\u003eThe color of the filter housing (canister) varies by the specific aftermarket manufacturer but does not affect the fit or function. As long as the part number and specifications match, both are interchangeable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should I change my marine oil filter?\u003c\/summary\u003e\n  \u003cp\u003eFor most marine gasoline engines, it's recommended to change the oil and filter every 100 hours of operation or annually, whichever comes first. Always consult your engine's service manual for the precise maintenance schedule.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a failing or clogged oil filter?\u003c\/summary\u003e\n  \u003cp\u003eSymptoms can include low oil pressure readings on your gauge, a decrease in engine performance, or an oil pressure warning light. If you notice any of these, inspect your oil system immediately.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this oil filter with synthetic marine oil?\u003c\/summary\u003e\n  \u003cp\u003eYes, this filter is compatible with conventional and synthetic gasoline engine oils, as long as the oil meets the specifications required by your engine manufacturer.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs a special tool required for installation?\u003c\/summary\u003e\n  \u003cp\u003eWhile the filter is designed to be hand-tightened, you may need an oil filter wrench to remove the old one, especially if it was overtightened. The new filter should not be installed with a wrench.\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\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":50593342980411,"sku":"35-06003","price":15.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/35-06003_a9b0f0cd-e737-45ab-9526-8f338bb4a403.jpg?v=1763089435"},{"product_id":"160-thermostat-kit-fits-mercruiser-4-3l-5-0l-5-7l-7-4l-v6-v8-engines-replaces-807252q5","title":"160° Thermostat Kit – Fits MerCruiser 4.3L, 5.0L, 5.7L, 7.4L V6\/V8 Engines (Replaces 807252Q5)","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 \u003cstrong\u003e160° Thermostat Kit – Fits MerCruiser 4.3L, 5.0L, 5.7L, 7.4L V6\/V8 Engines (Replaces 807252Q5)\u003c\/strong\u003e is designed for MerCruiser inboard and sterndrive engines with V6 and V8 configurations that require a 160° thermostat. It is primarily for 4.3L, 5.0L, 5.7L, and 7.4L\/8.2L engines from 1987 and newer.\u003c\/p\u003e\n  \u003cp\u003eThis kit serves as a direct replacement for MerCruiser part numbers 807252Q5, 807252T8, 807252T5, as well as aftermarket equivalents like Sierra 18-3647 and Engineered Marine Products 807252Q5.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eEngineered for direct replacement installation.\u003c\/li\u003e\n    \u003cli\u003eMaintains optimal engine temperature for raw water cooled systems.\u003c\/li\u003e\n    \u003cli\u003eIncludes thermostat, plastic housing sleeve, and all necessary gaskets for a complete service.\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\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e807252T8\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e807252T5\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-3647\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eEngineered Marine Products\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\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  \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\u003e4.3L, 4.3LX, 4.3LXH Alpha\u003c\/td\u003e\n          \u003ctd\u003e190\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1996–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F601127-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e4.3L, 4.3LX, 4.3LXH Bravo\u003c\/td\u003e\n          \u003ctd\u003e190\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1996–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F601127-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e4.3L, 4.3LX GM\u003c\/td\u003e\n          \u003ctd\u003e190\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1993–1995\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F000878-0F601126\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e4.3L, 4.3LH, 4.3EFI Alpha\u003c\/td\u003e\n          \u003ctd\u003e190\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0L010044 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e4.3L, 4.3LH, 4.3EFI Bravo\u003c\/td\u003e\n          \u003ctd\u003e190\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0L010044 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.0L, 5.0LX GM\u003c\/td\u003e\n          \u003ctd\u003e220\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1987–1995\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0B525982-0F600999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.0L, 5.0EFI Alpha\u003c\/td\u003e\n          \u003ctd\u003e220\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0L012052 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.0L, 5.0EFI Bravo\u003c\/td\u003e\n          \u003ctd\u003e220\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0L012052 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.7L, 5.7LX GM\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1987–1995\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0B525982-0F600999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.7L GM Alpha\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1995–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F225560-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.7L GM Bravo\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1995–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F225560-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.7L, 5.7EFI GM Alpha\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0L010037 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.7L, 5.7EFI GM Bravo\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0L010037 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.7L M IE\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1994–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F025000-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.7L M IE\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0L002003 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.7L Ski\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1987–1998\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0B514627 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e262 MAG Alpha\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1996–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F803800-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e262 MAG Bravo\u003c\/td\u003e\n          \u003ctd\u003e260\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1996–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F803800-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e350 MAG\u003c\/td\u003e\n          \u003ctd\u003e300\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1987–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0B525982-0F600999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e350 MAG EFI Ski\u003c\/td\u003e\n          \u003ctd\u003e300\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1994–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0D505450-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e350 MAG MPI \/ M IE\u003c\/td\u003e\n          \u003ctd\u003e300\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0L010019 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e350 MAG MPI Ski\u003c\/td\u003e\n          \u003ctd\u003e300\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1995–1998\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F350583 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e350 MAG Ski\u003c\/td\u003e\n          \u003ctd\u003e300\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1991–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0D505450-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e454 MAG MCM \/ Ski\u003c\/td\u003e\n          \u003ctd\u003e385\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1995–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F305000-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e7.4L, 7.4LX GM\u003c\/td\u003e\n          \u003ctd\u003e330\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1996–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F352000-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e7.4L M IE\u003c\/td\u003e\n          \u003ctd\u003e330\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1989–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0C391564-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e7.4L MPI \/ TBI\u003c\/td\u003e\n          \u003ctd\u003e330\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1995–1998\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F563052 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e8.2L M IE\u003c\/td\u003e\n          \u003ctd\u003e380\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1993–1996\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0D857200-0F819619\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e8.2L MPI \/ M IE\u003c\/td\u003e\n          \u003ctd\u003e380\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1996 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F819620 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e502 EFI \/ MPI MCM\u003c\/td\u003e\n          \u003ctd\u003e415\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1993–1997\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F802600-0K999999\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e502 MAG MPI\u003c\/td\u003e\n          \u003ctd\u003e415\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998 \u0026amp; Up\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0L017000 \u0026amp; Up\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003eScorpion Ski\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1996–1998\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eSerial Range: 0F800000 \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\u003eThermostat Kit\u003c\/dd\u003e\n    \u003cdt\u003eThermostat Temperature\u003c\/dt\u003e\n\u003cdd\u003e160°F (71°C)\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eHeight: 10.0 in; Width: 11.0 in; Length: 11.0 in\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.07 kg (0.15 lb)\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 Thermostat (807252T2\/8072522\/8052732)\u003c\/li\u003e\n    \u003cli\u003e1 x O-ring (25-30224\/25-27018)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket (27-331792\/27-331791)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket (27-41812\/27-09556)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket (27-47510)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket (27-33918)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket (27-530451\/27-53045\/27-33179)\u003c\/li\u003e\n    \u003cli\u003e1 x Plastic Housing Sleeve (23-806922)\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\u003eEnsure the engine is cool and disconnect the battery.\u003c\/li\u003e\n    \u003cli\u003eDrain the engine coolant\/raw water from the system to a level below the thermostat housing.\u003c\/li\u003e\n    \u003cli\u003eLocate and remove the thermostat housing. Note the orientation of hoses before disconnecting.\u003c\/li\u003e\n    \u003cli\u003eRemove the old thermostat, sleeve, and gaskets. Take note of the thermostat's orientation.\u003c\/li\u003e\n    \u003cli\u003eThoroughly clean the mating surfaces of the housing and engine block, removing any old gasket material or sealant.\u003c\/li\u003e\n    \u003cli\u003eInstall the new plastic sleeve and thermostat in the correct orientation.\u003c\/li\u003e\n    \u003cli\u003ePlace the new gaskets on the housing, applying a marine-grade sealant if recommended by the engine manufacturer.\u003c\/li\u003e\n    \u003cli\u003eReinstall the thermostat housing and tighten the bolts to the manufacturer's specified torque.\u003c\/li\u003e\n    \u003cli\u003eReconnect hoses and refill the cooling system.\u003c\/li\u003e\n    \u003cli\u003eReconnect the battery, start the engine, and check for leaks. Monitor the temperature gauge to ensure it warms up to and holds the correct temperature.\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 this thermostat kit will fit my engine?\u003c\/summary\u003e\n    \u003cp\u003eThe best way to confirm fitment is to check your engine model, year, and serial number against our compatibility table. Cross-referencing your old part number with the numbers in our Part Number Matrix is also a reliable method.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a faulty thermostat?\u003c\/summary\u003e\n    \u003cp\u003eCommon symptoms include the engine overheating (running above its normal temperature range) or running too cold (not reaching operating temperature). An erratic temperature gauge or visible coolant leaks around the housing can also indicate a problem.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace my engine's thermostat?\u003c\/summary\u003e\n    \u003cp\u003eThermostats should be replaced as part of regular preventative maintenance every 3-5 years, especially in saltwater environments. They should also be replaced immediately if you notice any signs of failure.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy is a 160°F thermostat used in marine engines?\u003c\/summary\u003e\n    \u003cp\u003eA 160°F thermostat is standard for raw-water cooled marine engines because it allows the engine to reach a temperature high enough for efficient combustion but low enough to prevent salt and mineral buildup, which can occur at higher temperatures.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the function of the plastic sleeve?\u003c\/summary\u003e\n    \u003cp\u003eThe plastic sleeve helps to properly position the thermostat within the housing and ensures that water flows correctly through the thermostat assembly for accurate temperature regulation.\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\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":50593344323899,"sku":"807252Q5","price":35.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/807252Q5_c9d754b8-00db-44b0-9399-bd9e971d01e7.jpg?v=1758250987"},{"product_id":"crankshaft-bearing-kit-fits-mercruiser-454-7-4l-v8-engines","title":"Crankshaft Bearing Kit – Fits MerCruiser 454 (7.4L) V8 Engines","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\u003eCrankshaft Bearing Kit\u003c\/strong\u003e is engineered for MerCruiser\/General Motors 7.4L (454 cu in) V8 engines, including MKIV, Gen V, and Gen VI models manufactured between 1977 and the early 2000s. It serves as a direct-fit replacement for the main bearings, crucial for restoring engine performance and reliability.\u003c\/p\u003e\n\u003cp\u003eIt directly interchanges with MerCruiser part numbers 23-818473, 23-818473001, 818473, and 85721, as well as FelPro 13020 and Marine Power MP0003-009, ensuring broad compatibility for engine rebuilds and repairs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for internal engine assembly.\u003c\/li\u003e\n\u003cli\u003eConstructed from steel with a babbitt or aluminum overlay for durability.\u003c\/li\u003e\n\u003cli\u003eIncludes standard size (STD) main bearings for a factory-spec fit.\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\u003e23-818473\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e23-818473001\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e23-8M0030217\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e818473\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e818473001\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e85721\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e85686\u003c\/td\u003e\n      \u003c\/tr\u003e\n        \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e827651T\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMarine Power\u003c\/td\u003e\n        \u003ctd\u003eMP0003-009\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFelPro\u003c\/td\u003e\n        \u003ctd\u003e13020\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 and General Motors engines, this kit fits a wide range of 7.4L V8 models from different generations.\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e7.4L (454 cu in) MKIV\u003c\/td\u003e\n        \u003ctd\u003e330-340\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1977–1989\u003c\/td\u003e\n        \u003ctd\u003e23-818473\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e7.4L (454 cu in) Gen V\u003c\/td\u003e\n        \u003ctd\u003e330-385\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1989–1996\u003c\/td\u003e\n        \u003ctd\u003e23-818473001\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e7.4L (454 cu in) Gen VI\u003c\/td\u003e\n        \u003ctd\u003e310-385\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1996–2000s\u003c\/td\u003e\n        \u003ctd\u003e23-8M0030217\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e454 MAG\u003c\/td\u003e\n        \u003ctd\u003e330-385\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1988–2000s\u003c\/td\u003e\n        \u003ctd\u003e818473001\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e454 King Cobra\u003c\/td\u003e\n        \u003ctd\u003e330-385\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1988–1996\u003c\/td\u003e\n        \u003ctd\u003e818473001\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e7.4L MIE\u003c\/td\u003e\n        \u003ctd\u003e310-330\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1983–2000s\u003c\/td\u003e\n        \u003ctd\u003e818473001\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e7.4L Bravo\u003c\/td\u003e\n        \u003ctd\u003e310-385\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1988–2000s\u003c\/td\u003e\n        \u003ctd\u003e818473001\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\u003eCrankshaft Main Bearing Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eInternal engine assembly\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\u003eSteel with babbitt or aluminum overlay\u003c\/dd\u003e\n  \u003cdt\u003eBearing Size\u003c\/dt\u003e\n\u003cdd\u003eStandard (STD)\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e6.75\" L x 5.25\" H x 2.25\" W\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.75 kg (1.65 lbs)\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003eTypically 1 year (varies by supplier)\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 Crankshaft Main Bearing Kit (Replaces 818473001)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eEnsure the engine block is completely disassembled, cleaned, and inspected for any damage or warping before starting.\u003c\/li\u003e\n  \u003cli\u003eCarefully place each bearing shell into its corresponding location in the block and main caps, ensuring the locking tangs are correctly seated.\u003c\/li\u003e\n  \u003cli\u003eGently lay the crankshaft onto the main bearings. Place a strip of Plastigauge on each journal before installing the main caps.\u003c\/li\u003e\n  \u003cli\u003eTorque the main cap bolts to the manufacturer's specified sequence and values.\u003c\/li\u003e\n  \u003cli\u003eRemove the main caps to measure the compressed Plastigauge and verify oil clearances are within the engine's service manual specifications.\u003c\/li\u003e\n  \u003cli\u003eIf clearances are correct, thoroughly lubricate all bearing surfaces and journals with a high-quality engine assembly lube.\u003c\/li\u003e\n  \u003cli\u003eReinstall the main caps and torque them to their final specification, following the correct pattern. Ensure the crankshaft rotates smoothly by hand.\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 specific 7.4L engine?\u003c\/summary\u003e\u003cp\u003eThis kit is designed for MerCruiser\/GM 454 (7.4L) V8 engines from 1977-2000s. The best way to confirm fitment is to match your engine's OEM bearing part number to one of the numbers listed in our Part Number Matrix. Also, check the Engine Compatibility table for your specific model and year range.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of failing crankshaft bearings?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include a deep, rhythmic knocking or rumbling sound from the bottom of the engine (rod knock), low oil pressure readings, and the presence of metallic shavings in the engine oil upon inspection.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a standard size (STD) or an oversized kit?\u003c\/summary\u003e\u003cp\u003eThis is a standard size (STD) bearing kit. It is intended for use with crankshafts that have not been machined or ground down. If your crankshaft has been resurfaced, you will likely need oversized bearings.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is required for a successful installation?\u003c\/summary\u003e\u003cp\u003eInstallation is a complex task that requires engine disassembly. You will need a torque wrench, Plastigauge for checking clearances, engine assembly lubricant, and the engine's service manual for exact torque specifications and sequences. Professional installation is highly recommended.\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":50593344717115,"sku":"13020","price":73.06,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/13020_b3bc549e-081d-41e6-bf82-1199f0778510.jpg?v=1758250992"},{"product_id":"power-steering-pump-fits-mercruiser-4-3l-8-2l-v6-v8-replaces-16792a1-16792a39-16792a33","title":"Power Steering Pump Assembly for MerCruiser 4.3L–8.2L V6\/V8 | Replaces 16792A1, 16792A39 and 16792A33","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003epower steering pump assembly\u003c\/strong\u003e is designed as a replacement for selected MerCruiser 4.3L–8.2L V6 and V8 sterndrive applications. It is also listed for cross-reference with selected Volvo Penta and OMC applications. Confirm the part number, reservoir configuration, hose routing, mounting arrangement and product photos against the pump being replaced before ordering, because fitment can vary by engine, drive, year and serial range.\u003c\/p\u003e\n\u003cp\u003eThe assembly features a cast-aluminum housing, chrome-finished reservoir, billet-aluminum cap and a return hose connection exiting from the bottom of the reservoir. It is intended to restore hydraulic steering assistance when the original pump is worn, noisy or leaking.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAftermarket replacement power steering pump assembly.\u003c\/li\u003e\n  \u003cli\u003eReferences MerCruiser part numbers 16792A1, 16792A39 and 16792A33.\u003c\/li\u003e\n  \u003cli\u003eChrome reservoir with billet-aluminum cap.\u003c\/li\u003e\n  \u003cli\u003eBottom-exiting return-hose configuration.\u003c\/li\u003e\n  \u003cli\u003eDirect-replacement design for applications using the matching pump configuration; installation may require transferring the original pulley.\u003c\/li\u003e\n  \u003cli\u003eManufactured in an ISO 9002-certified facility, as represented for this replacement assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following numbers are reference identifiers associated with this replacement. A cross-reference alone does not replace confirmation of the exact engine, drive and pump configuration.\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\u003ctr\u003e\n\u003cth\u003eBrand or Source\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e16792A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e16792A39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e16792A33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-7508\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e3888323\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e3863130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeurofosh\u003c\/td\u003e\n\u003ctd\u003e16792A39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGHmarine\u003c\/td\u003e\n\u003ctd\u003e16792A39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATVMaster\u003c\/td\u003e\n\u003ctd\u003e16792A39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDasbecan\u003c\/td\u003e\n\u003ctd\u003e16792A39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCIYU\u003c\/td\u003e\n\u003ctd\u003e90507A3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe application information below reflects the listed reference range for this pump. Verify the complete engine model, year, drive, serial range and original pump number before purchase. The engine and horsepower details must be considered together with the drive and pump configuration.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\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\u003eReference Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3L 262 V6\u003c\/td\u003e\n\u003ctd\u003e190–220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2016\u003c\/td\u003e\n\u003ctd\u003e16792A1 \/ 16792A39 \/ 16792A33\u003c\/td\u003e\n\u003ctd\u003eListed for Alpha and Bravo drive applications; verify configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.0L 305 V8\u003c\/td\u003e\n\u003ctd\u003e220–260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2016\u003c\/td\u003e\n\u003ctd\u003e16792A1 \/ 16792A39 \/ 16792A33\u003c\/td\u003e\n\u003ctd\u003eListed for Alpha and Bravo drive applications; verify configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L 350 V8\u003c\/td\u003e\n\u003ctd\u003e250–330\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2016\u003c\/td\u003e\n\u003ctd\u003e16792A1 \/ 16792A39 \/ 16792A33\u003c\/td\u003e\n\u003ctd\u003eListed for Alpha and Bravo drive applications; verify configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.8L 357 Alpha\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2016\u003c\/td\u003e\n\u003ctd\u003e16792A1 \/ 16792A39 \/ 16792A33\u003c\/td\u003e\n\u003ctd\u003eListed for Alpha drive applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e6.2L 377 V8\u003c\/td\u003e\n\u003ctd\u003e320–430\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2016\u003c\/td\u003e\n\u003ctd\u003e16792A1 \/ 16792A39 \/ 16792A33\u003c\/td\u003e\n\u003ctd\u003eListed for Alpha and Bravo drive applications; verify configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e6.3L 383 Bravo\u003c\/td\u003e\n\u003ctd\u003e350–430\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2016\u003c\/td\u003e\n\u003ctd\u003e16792A1 \/ 16792A39 \/ 16792A33\u003c\/td\u003e\n\u003ctd\u003eListed for Bravo drive applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e6.3L 385\u003c\/td\u003e\n\u003ctd\u003e350–430\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2016\u003c\/td\u003e\n\u003ctd\u003e16792A1 \/ 16792A39 \/ 16792A33\u003c\/td\u003e\n\u003ctd\u003ePerformance-tuned application; verify the original pump number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e7.4L 454 V8\u003c\/td\u003e\n\u003ctd\u003e310–385\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2016\u003c\/td\u003e\n\u003ctd\u003e16792A1 \/ 16792A39 \/ 16792A33\u003c\/td\u003e\n\u003ctd\u003eListed for Alpha and Bravo drive applications; verify configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.2L 502 V8\u003c\/td\u003e\n\u003ctd\u003e380–425\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2016\u003c\/td\u003e\n\u003ctd\u003e16792A1 \/ 16792A39 \/ 16792A33\u003c\/td\u003e\n\u003ctd\u003eListed for Alpha and Bravo drive applications; verify configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e4.3L V6\u003c\/td\u003e\n\u003ctd\u003e190–225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–2016\u003c\/td\u003e\n\u003ctd\u003e3888323 \/ 3863130\u003c\/td\u003e\n\u003ctd\u003eListed as cross-compatible; confirm the original pump and mounting details.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003e220–270\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–2016\u003c\/td\u003e\n\u003ctd\u003e3888323 \/ 3863130\u003c\/td\u003e\n\u003ctd\u003eListed as cross-compatible; confirm the original pump and mounting details.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e250–320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–2016\u003c\/td\u003e\n\u003ctd\u003e3888323 \/ 3863130\u003c\/td\u003e\n\u003ctd\u003eListed as cross-compatible; confirm the original pump and mounting details.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e4.3L V6\u003c\/td\u003e\n\u003ctd\u003e175–205\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–2004\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eVerify the original pump number and physical configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003e210–260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–2004\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eVerify the original pump number and physical configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e250–310\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1992–2004\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eVerify the original pump number and physical configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003ePower steering pump assembly\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected marine sterndrive steering systems\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement installation; confirm configuration before fitting\u003c\/dd\u003e\n\u003cdt\u003eReturn Connection\u003c\/dt\u003e\n\u003cdd\u003eReturn hose exits from the bottom of the reservoir\u003c\/dd\u003e\n\u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eCast aluminum\u003c\/dd\u003e\n\u003cdt\u003eHousing and Reservoir Finish\u003c\/dt\u003e\n\u003cdd\u003eChrome\/silver\u003c\/dd\u003e\n\u003cdt\u003eCap\u003c\/dt\u003e\n\u003cdd\u003eBillet aluminum\u003c\/dd\u003e\n\u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e4.42 kg (9.72 lb)\u003c\/dd\u003e\n\u003cdt\u003ePulley\u003c\/dt\u003e\n\u003cdd\u003eNot typically included; inspect the original pump and product contents before installation\u003c\/dd\u003e\n\u003cdt\u003eWarranty and Returns\u003c\/dt\u003e\n\u003cdd\u003eSubject to the applicable seller warranty and return policy\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e1 × Power steering pump assembly\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eThe assembly is associated with reference numbers 16792A1, 16792A39 and 16792A33. The pulley is not typically included unless specifically stated in the order or package information.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the engine is switched off and cool. Disconnect the boat battery.\u003c\/li\u003e\n\u003cli\u003ePlace a drain pan below the pump to collect steering fluid.\u003c\/li\u003e\n\u003cli\u003eRelease belt tension and remove the drive belt from the pump pulley.\u003c\/li\u003e\n\u003cli\u003eDisconnect the high-pressure and return lines, then plug or cap the lines to prevent contamination.\u003c\/li\u003e\n\u003cli\u003eRemove the mounting bolts and carefully remove the original pump.\u003c\/li\u003e\n\u003cli\u003eIf the replacement does not include a pulley, transfer the original pulley using the proper puller and installation tool. Do not hammer the pulley onto the shaft.\u003c\/li\u003e\n\u003cli\u003eMount the replacement pump and tighten the fasteners to the engine manufacturer's specifications.\u003c\/li\u003e\n\u003cli\u003eReconnect the high-pressure and return lines, reinstall the belt and set the correct belt tension.\u003c\/li\u003e\n\u003cli\u003eFill the reservoir with the fluid specified for the engine and steering system. Do not overfill.\u003c\/li\u003e\n\u003cli\u003eBleed the system according to the engine or steering-system service procedure. Check for leaks, abnormal noise and correct fluid level before returning the boat to service.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm fitment for my boat?\u003c\/summary\u003e\u003cp\u003eMatch the number on your original pump with a reference in the Part Number Matrix, then compare the reservoir, hose connections, mounting points and pulley arrangement with the replacement. Also verify the complete engine model, year, drive and serial range. Variations can occur within the same engine family.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are common signs of a failing power steering pump?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include whining or groaning that changes with engine speed, stiff or uneven steering, and fluid leakage around the pump or connections. Contaminated fluid or metal particles can indicate internal component wear.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the pulley included?\u003c\/summary\u003e\u003cp\u003eThe pump does not typically include the pulley. If the original pulley is reusable, it may need to be transferred with the correct puller and installation procedure. Confirm the actual package contents before beginning installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat fluid should I use?\u003c\/summary\u003e\u003cp\u003eUse only the power steering fluid specified by the engine or steering-system manufacturer. The correct specification should be confirmed in the owner's or service manual.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the system need to be bled after replacement?\u003c\/summary\u003e\u003cp\u003eYes. Air should be removed after installation using the procedure specified for the steering system. Monitor the fluid level, turn the steering as directed by the service instructions and inspect carefully for leaks.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This listing is for an aftermarket replacement assembly intended for applications using the listed reference numbers and matching physical configuration.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the shipping and warranty terms?\u003c\/summary\u003e\u003cp\u003eShipping availability, delivery timing, warranty coverage and return eligibility are determined by the applicable seller policy and are shown with the order information.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the reference number, engine model, year, drive, serial range and physical configuration before ordering.\u003c\/li\u003e\n\u003cli\u003eDo not install a pump that differs from the original in mounting, hose routing, reservoir or pulley arrangement without confirming compatibility.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eUse the correct fluid and follow the applicable service procedure. Professional installation is recommended for steering-system work.\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 replacement parts designed for demanding operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Shipping options and delivery estimates are provided during checkout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Practical replacement solutions with attention to materials and quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723787604283,"sku":"SP-2A39-L3QE","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/SP-2A39-L3QE.png?v=1763031768"},{"product_id":"water-pump-impeller-kit-with-housing-fits-mercruiser-alpha-bravo-replaces-46-807151a14-807151a7","title":"Water Pump Kit for MerCruiser Bravo – Replaces 46-807151A14 and 46-807151A7","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 {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\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 \u003cstrong\u003eWater Pump Kit for MerCruiser Bravo\u003c\/strong\u003e is an aftermarket replacement kit for Bravo applications that use the corresponding water-pump configuration. It replaces MerCruiser references \u003cstrong\u003e46-807151A14\u003c\/strong\u003e and \u003cstrong\u003e46-807151A7\u003c\/strong\u003e.\u003c\/p\u003e\n  \u003cp\u003eThe kit is listed as Sierra \u003cstrong\u003e18-3150\u003c\/strong\u003e in the referenced marine parts catalog. The catalog identifies the application as MerCruiser Bravo and lists the replacement components included in the kit.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned for the specified MerCruiser Bravo water-pump application.\u003c\/li\u003e\n    \u003cli\u003eProvides replacement wear plates, impeller, body gaskets, and water-pump gasket.\u003c\/li\u003e\n    \u003cli\u003eConfirm the existing pump configuration and part numbers before ordering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse these references to compare the kit with the part being replaced. Part-number references do not replace confirmation of the complete pump configuration.\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 or Source\u003c\/th\u003e\n          \u003cth\u003ePart Number\u003c\/th\u003e\n          \u003cth\u003eReference Type\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-3150\u003c\/td\u003e\n          \u003ctd\u003eWater pump kit reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e46-807151A14\u003c\/td\u003e\n          \u003ctd\u003eReplacement\/OEM reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e46-807151A7\u003c\/td\u003e\n          \u003ctd\u003eReplacement\/OEM reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eApplication\u003c\/h2\u003e\n  \u003cp\u003eThe referenced catalog identifies this water pump kit for \u003cstrong\u003eMerCruiser Bravo\u003c\/strong\u003e applications. The available reference does not establish a universal fit across all Bravo models, years, serial-number ranges, or pump housings.\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\u003eApplication\u003c\/th\u003e\n          \u003cth\u003eConfirmed Reference\u003c\/th\u003e\n          \u003cth\u003eFitment Note\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\u003eBravo\u003c\/td\u003e\n          \u003ctd\u003e46-807151A14\u003c\/td\u003e\n          \u003ctd\u003eConfirm the pump configuration and existing part number before installation.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003eBravo\u003c\/td\u003e\n          \u003ctd\u003e46-807151A7\u003c\/td\u003e\n          \u003ctd\u003eConfirm the pump configuration and existing part number before installation.\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 kit\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eMerCruiser Bravo water-pump applications\u003c\/dd\u003e\n    \u003cdt\u003eAftermarket Reference\u003c\/dt\u003e\n    \u003cdd\u003eSierra 18-3150\u003c\/dd\u003e\n    \u003cdt\u003eReplacement References\u003c\/dt\u003e\n    \u003cdd\u003eMerCruiser 46-807151A14 and 46-807151A7\u003c\/dd\u003e\n    \u003cdt\u003eHousing\u003c\/dt\u003e\n    \u003cdd\u003eHousing is not listed as included in the referenced kit contents.\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cp\u003eBased on the referenced catalog listing, the kit contains:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Wear Plate, reference 94576\u003c\/li\u003e\n    \u003cli\u003e1 x Wear Plate, reference 94916\u003c\/li\u003e\n    \u003cli\u003e1 x Water Pump Impeller, reference 47-59362\u003c\/li\u003e\n    \u003cli\u003e2 x Body Gasket, reference 27-94914\u003c\/li\u003e\n    \u003cli\u003e1 x Water Pump Gasket, reference 27-805215-1\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eNot listed as included:\u003c\/strong\u003e water-pump housing, bolts, washers, or O-rings. Reuse or purchase additional components only if required by the specific pump assembly and service procedure.\u003c\/p\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and allow the engine and cooling system to cool before servicing.\u003c\/li\u003e\n    \u003cli\u003eVerify that the existing pump assembly matches the Bravo application and replacement references listed above.\u003c\/li\u003e\n    \u003cli\u003eClose or drain the appropriate seacock and remove hoses or other components as required by the service manual.\u003c\/li\u003e\n    \u003cli\u003eRemove the pump cover or applicable pump components, keeping track of the original component order and gasket locations.\u003c\/li\u003e\n    \u003cli\u003eRemove the old impeller, wear plates, and gaskets. Inspect the housing and pump body for scoring, cracks, distortion, or corrosion.\u003c\/li\u003e\n    \u003cli\u003eClean all mating surfaces and remove old gasket material without damaging the sealing surfaces.\u003c\/li\u003e\n    \u003cli\u003eInstall the supplied wear plates, impeller, body gaskets, and water-pump gasket in the correct locations for the specific pump assembly.\u003c\/li\u003e\n    \u003cli\u003eLubricate the impeller with a suitable water-pump or glycerin-based lubricant before assembly. Do not run the pump dry.\u003c\/li\u003e\n    \u003cli\u003eReassemble the pump and tighten fasteners to the engine or pump manufacturer's specified torque.\u003c\/li\u003e\n    \u003cli\u003eReconnect hoses and open the seacock. Start the engine while monitoring cooling-water flow, temperature, and the pump area for leaks.\u003c\/li\u003e\n  \u003c\/ol\u003e\n  \u003cp\u003eAlways follow the service manual for the exact Bravo drive or engine configuration. If the pump housing or other reusable parts are damaged, additional replacement parts may be required.\u003c\/p\u003e\n\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I confirm that this kit fits my MerCruiser?\u003c\/summary\u003e\n    \u003cp\u003eConfirm that your existing water-pump assembly is a MerCruiser Bravo application and that its replacement reference is 46-807151A14 or 46-807151A7. Because Bravo configurations can vary, also compare the pump body, wear plates, gaskets, and impeller with the parts being removed.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this kit include the water-pump housing?\u003c\/summary\u003e\n    \u003cp\u003eNo. The referenced kit contents list wear plates, an impeller, body gaskets, and a water-pump gasket. A housing is not listed as included.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this kit include bolts or O-rings?\u003c\/summary\u003e\n    \u003cp\u003eBolts, washers, and O-rings are not listed in the referenced kit contents. Check the existing assembly and the applicable service manual to determine whether additional parts are needed.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a failing water-pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eCommon symptoms include overheating, reduced cooling-water flow, and visible cracks, tears, stiffness, or deformation in the old impeller. Inspect the wear plates and housing at the same time because damaged surfaces can shorten the life of a replacement impeller.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eInspect the impeller according to the engine manufacturer's maintenance schedule. Replacement intervals depend on operating hours, storage conditions, saltwater exposure, debris, and whether the pump has been run dry.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n    \u003cp\u003eThis listing is for an aftermarket water pump kit. MerCruiser part numbers are provided as replacement references only; the kit is not represented as a genuine MerCruiser-manufactured component.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify the application and component configuration before ordering or installation.\u003c\/li\u003e\n    \u003cli\u003eDo not operate the engine without an adequate water supply to the pump.\u003c\/li\u003e\n    \u003cli\u003eReplace damaged housings, pump bodies, fasteners, seals, or other components as required by the service procedure.\u003c\/li\u003e\n    \u003cli\u003eUse the manufacturer's service manual for torque values, assembly order, and cooling-system bleeding procedures.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when the correct pump configuration or installation procedure is uncertain.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMarine Parts Support\u003c\/strong\u003e — We provide replacement marine components with application references to help customers compare their existing parts.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Listings\u003c\/strong\u003e — Confirm the model, pump configuration, and part-number references before ordering.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReplacement Value\u003c\/strong\u003e — Aftermarket alternatives can provide a practical solution when matched to the correct marine application.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723789799739,"sku":"JZ-0XNA-G8BA","price":30.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/JZ-0XNA-G8BA.png?v=1763031833"},{"product_id":"160-thermostat-kit-fits-mercruiser-v6-v8-4-3l-8-2l-engines-replaces-807252q5","title":"Thermostat Kit for MerCruiser Engines – Replaces 807252Q5 and 807252T8","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 *\/\ntable.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\ntable.ss-table th, table.ss-table td {\n  padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n}\n\ntable.ss-table th {\n  white-space:nowrap;\n  word-break:normal;\n  letter-spacing:normal;\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 marine thermostat kit is an aftermarket replacement for selected MerCruiser cooling-system applications. It replaces MerCruiser\/Mercury Marine part numbers \u003cstrong\u003e807252Q5\u003c\/strong\u003e and \u003cstrong\u003e807252T8\u003c\/strong\u003e. The kit is identified in the Sierra catalog as thermostat kit \u003cstrong\u003e18-3647\u003c\/strong\u003e.\u003c\/p\u003e\n  \u003cp\u003eUse the original thermostat, gasket arrangement, engine model, and serial number to confirm fitment before ordering. Part-number interchange alone does not confirm compatibility with every MerCruiser engine or cooling-system configuration.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eThermostat kit for selected MerCruiser marine engines.\u003c\/li\u003e\n    \u003cli\u003eSupplied as a multi-piece service kit for thermostat replacement.\u003c\/li\u003e\n    \u003cli\u003eIncludes the thermostat and the listed housing and cover gaskets.\u003c\/li\u003e\n    \u003cli\u003eAftermarket replacement; not an original Mercury Marine component.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eThese are the documented manufacturer and aftermarket references associated with this kit.\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 or Source\u003c\/th\u003e\n          \u003cth\u003ePart Number\u003c\/th\u003e\n          \u003cth\u003eReference Type\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser \/ Mercury Marine\u003c\/td\u003e\n          \u003ctd\u003e807252Q5\u003c\/td\u003e\n          \u003ctd\u003eReplacement reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser \/ Mercury Marine\u003c\/td\u003e\n          \u003ctd\u003e807252T8\u003c\/td\u003e\n          \u003ctd\u003eReplacement reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-3647\u003c\/td\u003e\n          \u003ctd\u003eThermostat kit reference\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 and Fitment Information\u003c\/h2\u003e\n  \u003cp\u003eThe available catalog evidence associates this kit with the MerCruiser\/Mercury Marine replacement references listed above, but it does not establish one universal fitment range for all V6 and V8 engines. Confirm the exact engine model, serial number, cooling-system configuration, and thermostat arrangement against your service manual or the original part before installation.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine and Fitment Information\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eApplication\u003c\/th\u003e\n          \u003cth\u003eVerification Required\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser \/ Mercury Marine\u003c\/td\u003e\n          \u003ctd\u003eSelected inboard and sterndrive cooling-system applications using 807252Q5 or 807252T8\u003c\/td\u003e\n          \u003ctd\u003eVerify engine model, serial number, cooling system, and original thermostat kit\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 Specifications\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n    \u003cdd\u003eThermostat kit\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eMarine engine cooling system\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n    \u003cdd\u003eReplacement installation\u003c\/dd\u003e\n    \u003cdt\u003eReplacement References\u003c\/dt\u003e\n    \u003cdd\u003e807252Q5 and 807252T8\u003c\/dd\u003e\n    \u003cdt\u003eAftermarket Status\u003c\/dt\u003e\n    \u003cdd\u003eAftermarket replacement; not OEM\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  \u003cp\u003eThe catalog listing for this thermostat kit identifies the following components. Exact gasket form and quantity should be compared with the parts removed from the engine before installation.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Thermostat\u003c\/li\u003e\n    \u003cli\u003e1 x Thermostat housing gasket\u003c\/li\u003e\n    \u003cli\u003e1 x Thermostat cover gasket\u003c\/li\u003e\n    \u003cli\u003e1 x Additional thermostat cover gasket\u003c\/li\u003e\n    \u003cli\u003e1 x Additional thermostat cover gasket\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eCatalog component references include thermostat reference 18-3551; housing gasket reference 18-2917; and cover gasket references 18-2844, 18-2553, and 18-2834. Gasket reference numbers are provided for identification and should not be treated as separate products included beyond the kit contents.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eAllow the engine to cool completely before beginning work, and follow the safety procedures in the engine service manual.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the battery where required and close or isolate the appropriate water supply before removing the thermostat housing.\u003c\/li\u003e\n    \u003cli\u003eRemove the thermostat housing or cover and note the orientation of the old thermostat and gasket arrangement.\u003c\/li\u003e\n    \u003cli\u003eClean the mating surfaces carefully, removing old gasket material without damaging the housing or engine surfaces.\u003c\/li\u003e\n    \u003cli\u003eCompare the replacement thermostat and each supplied gasket with the original parts before assembly.\u003c\/li\u003e\n    \u003cli\u003eInstall the thermostat in the correct orientation and use the appropriate housing and cover gaskets supplied with the kit.\u003c\/li\u003e\n    \u003cli\u003eReassemble the housing using the manufacturer’s specified tightening sequence and torque values.\u003c\/li\u003e\n    \u003cli\u003eRestore the cooling-system connections, start the engine according to the service manual, and check for leaks and proper temperature control.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat part numbers does this kit replace?\u003c\/summary\u003e\u003cp\u003eThis kit is documented as a replacement for MerCruiser\/Mercury Marine part numbers 807252Q5 and 807252T8.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eIs this a complete thermostat kit?\u003c\/summary\u003e\u003cp\u003eYes. It is sold as a thermostat kit and includes the thermostat together with the listed housing and cover gaskets. Compare the supplied pieces with your original assembly before installation.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eDoes this kit fit every MerCruiser V6 or V8 engine?\u003c\/summary\u003e\u003cp\u003eNo universal V6 or V8 fitment claim should be made from the replacement numbers alone. Verify the exact engine model, serial number, cooling-system configuration, and original thermostat references before ordering.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eIs this an OEM Mercury Marine part?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement kit that references Mercury Marine part numbers for identification and compatibility checking.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eShould I replace the gaskets when replacing the thermostat?\u003c\/summary\u003e\u003cp\u003eReplacing the associated housing and cover gaskets is recommended when the thermostat housing is opened. Use the gasket that matches the applicable housing and cover surfaces.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat should I do if the supplied gasket does not match?\u003c\/summary\u003e\u003cp\u003eDo not force the part into place or reuse an incorrect gasket. Stop installation and verify the engine model, serial number, cooling-system configuration, and original part numbers.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify the engine model, serial number, cooling-system configuration, and original part numbers before purchase.\u003c\/li\u003e\n    \u003cli\u003eCompare the replacement thermostat and gasket shapes with the original parts before installation.\u003c\/li\u003e\n    \u003cli\u003eUse the engine manufacturer’s service information for coolant or water-system procedures, torque specifications, and temperature checks.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when the correct procedure or fitment is uncertain.\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\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply aftermarket components for marine maintenance and repair applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Listings\u003c\/strong\u003e — Product references are provided to help customers compare parts before ordering.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eService Support\u003c\/strong\u003e — Always confirm the exact engine and original part configuration before installation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723789930811,"sku":"P5-07Z9-KCV7","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/P5-07Z9-KCV7.png?v=1763031838"}],"url":"https:\/\/seasierra.com\/collections\/mercruiser-4-stroke-385hp-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}