{"title":"Mercury 4-Stroke 430HP Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is for Mercury 4-Stroke 430HP outboard engines. Use it to find compatible parts and practical service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main Mercury collection any time. Scroll to the bottom for a quick link to start browsing parts for this engine. 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\/mercury-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#1f2937; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Mercury Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 430HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the serial number plate on the starboard transom bracket or swivel bracket (near the tilt tube). The serial number is the most reliable reference for parts.\u003c\/li\u003e\n    \u003cli\u003eModel code and suffixes typically indicate shaft length (L\/XL\/XXL), control type (mechanical vs. DTS), gearcase style, and counter-rotation (often an “R”).\u003c\/li\u003e\n    \u003cli\u003eHigh-output FourStroke platforms may be V8 or V10 depending on year and family (e.g., Verado\/Pro\/Racing). Serial number verification ensures the correct kits and filters.\u003c\/li\u003e\n    \u003cli\u003eIf the cowl decals don’t match paperwork, use the bracket serial plate. Mercury parts are cataloged primarily by serial range rather than printed model year.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eEngine Platform Overview\u003c\/h2\u003e\n  \u003ch3\u003eHigh-Output FourStroke Platform (V8\/V10, model-dependent)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; max-width:900px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eHigh-output 4-stroke EFI with DOHC architecture; typically V8 or V10 depending on family; some variants feature supercharging.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eLarge-horsepower FourStroke\/Verado families in the ~400–450 hp class; exact specifications vary by serial range and model year.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eStrong torque and mid-range pull, refined NVH, digital controls on many models, and robust charging for accessories.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eService parts often vary by serial number. Verify gearcase type, shaft length, and rotation before ordering water pump kits, anodes, and seals.\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;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for high-output Mercury FourStroke outboards. Always follow the official service manual for your exact serial range and operating conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; max-width:1000px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eUse marine-rated 4-stroke oil meeting Mercury specifications; warm engine before draining.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect for water or metal on the magnet; replace seals if contamination is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect at 100 hours; replace ~300 hours or 3 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eCheck gap and note any fouling; replace as a set.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plug\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eFuel filter \/ water-separating filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eReplace more often with ethanol fuel or if contamination is present.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect 100 hours; replace ~300 hours or 2–3 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eReplace sooner if weak telltale, overheating, or sandy\/silty operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eAnodes (corrosion protection)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect every 50 hours; replace when 50% depleted\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eChoose the correct material for your water (aluminum, zinc, or magnesium).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eThermostat(s)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect ~300 hours or if overheat\/low-temp faults occur\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eReplace if stuck or corroded; verify correct operating temperature.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\"\u003eMercury Outboard Parts\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;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plug\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \u0026amp; Seals: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGeneral Mercury Selection: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\"\u003eMercury Outboard Parts\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; max-width:1000px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eWeak telltale or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eClear intake screens, verify hose routing, inspect impeller and thermostats.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eWater pump kit, thermostats, intake screens, anodes.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eConfirm fresh fuel, replace fuel filter, check prop pitch\/condition, review fault codes if available.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eFuel filter, spark plugs, injectors, propeller.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eVerify battery voltage connections, inspect plugs, check for water in fuel, perform throttle body\/ISC cleaning per manual.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eSpark plugs, fuel filter, electrical connectors, intake cleaning supplies.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eCheck oil level and condition; inspect seals and prop shaft for fishing line; service immediately if metal is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eGear lube, lower unit seal kit, bearings.\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;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eOften not. Mercury updates components across serial number ranges and between V8 and V10 platforms. Always match by serial number, gearcase type, shaft length, and rotation to ensure proper fit.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the water pump impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eInspect at 100 hours and replace about every 300 hours or 2–3 years. Replace sooner if the telltale weakens, the engine overheats, or you operate in sandy\/silty water.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change lower unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eEvery 100 hours or annually. If you see milky oil or metal on the drain plug magnet, service immediately and inspect seals and bearings.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the engine serial number, horsepower rating, shaft length (L\/XL\/XXL), rotation (standard or counter), control type (mechanical or DTS), and any gearcase notes. A clear photo of the nameplate helps us verify quickly.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border-top:1px solid #e5e7eb;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse our main Mercury outboard collection and use the Filter \u0026amp; Sort tools to narrow your results.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; margin:8px 0; padding:10px 14px; background:#1f2937; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Mercury Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"font-size:0.95em; color:#374151;\"\u003eIf you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-separating-fuel-filter-fits-mercruiser-5-0l-5-7l-6-2l-8-1l-8-2l-replaces-8m0093688-866171a01","title":"Water Separating Fuel Filter for MerCruiser Gen III Cool Fuel Systems – 5.0L, 5.7L, 6.2L, 8.1L and 8.2L","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis water-separating fuel filter is designed as a replacement filter element for selected MerCruiser gasoline engines equipped with the Generation III Cool Fuel System. It helps separate water and trap contaminants from the fuel supply before they reach the engine, supporting clean fuel delivery and reliable operation.\u003c\/p\u003e\n\u003cp\u003eThe filter is listed for MerCruiser 5.0L, 5.7L, 6.2L, 8.1L and 8.2L applications using the Gen III Cool Fuel housing. Always compare the housing, existing filter and applicable engine service information before ordering.\u003c\/p\u003e\n\u003cp\u003eIt replaces or cross-references Mercury references 8M0093688, 35-866171A01 and 866171A01. Sierra 18-7977 is listed as an aftermarket cross-reference.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement filter element for the Gen III Cool Fuel system.\u003c\/li\u003e\n  \u003cli\u003eDesigned to separate water and filter fuel-system contaminants.\u003c\/li\u003e\n  \u003cli\u003eInstalls into the existing compatible fuel-cooler\/filter housing.\u003c\/li\u003e\n  \u003cli\u003eThis listing is for the filter element only; additional service parts are not included unless specifically stated by the seller.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse these references to compare the replacement filter with the part number shown on your existing component or service documentation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eSuperseded By\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e35-866171A01\u003c\/td\u003e\n\u003ctd\u003e8M0093688\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e866171A01\u003c\/td\u003e\n\u003ctd\u003e8M0093688\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e8M0093688\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent OEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-7977\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\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 applications below are associated with MerCruiser Gen III Cool Fuel configurations. Compatibility depends on the exact fuel-system housing and engine configuration, so confirm the existing filter and applicable service information before installation.\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\u003eListed Years\u003c\/th\u003e\n\u003cth\u003eOEM Reference\u003c\/th\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350 MAG MPI Alpha\/Bravo\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350 MAG MPI Horizon Alpha\/Bravo\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350 MAG MPI Horizon MIE\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350 MAG MPI MIE\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e370 MPI\u003c\/td\u003e\n\u003ctd\u003e370\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e496 MAG\u003c\/td\u003e\n\u003ctd\u003e375\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e496 MAG H.O.\u003c\/td\u003e\n\u003ctd\u003e425\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.0 MPI Alpha\/Bravo\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003eMX 6.2L MPI Alpha\/Bravo\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003eMX 6.2L MPI Horizon Alpha\/Bravo\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003eMX 6.2L MPI Horizon MIE\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003eMX 6.2L MPI MIE\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.1L Inboard\u003c\/td\u003e\n\u003ctd\u003e375\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\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\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\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\u003e380–430\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L MPI TowSport with Gen III\u003c\/td\u003e\n\u003ctd\u003e350\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.1L TowSport, Base\u003c\/td\u003e\n\u003ctd\u003e375\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.2L MAG, Base Model\u003c\/td\u003e\n\u003ctd\u003e380\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.2L MAG, H.O. Model\u003c\/td\u003e\n\u003ctd\u003e430\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004–2015\u003c\/td\u003e\n\u003ctd\u003e8M0093688, 866171A01\u003c\/td\u003e\n\u003ctd\u003eGen III Cool Fuel\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\u003eWater-separating fuel filter element\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eMerCruiser Gen III Cool Fuel system\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eInstalls inside the compatible fuel-cooler\/filter housing\u003c\/dd\u003e\n  \u003cdt\u003eFiltration Rating\u003c\/dt\u003e\n\u003cdd\u003e15 micron, as listed for this replacement filter\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eIntegrated into the compatible fuel-cooler housing\u003c\/dd\u003e\n  \u003cdt\u003eReplacement References\u003c\/dt\u003e\n\u003cdd\u003e8M0093688, 35-866171A01, 866171A01\u003c\/dd\u003e\n  \u003cdt\u003eAftermarket Cross-Reference\u003c\/dt\u003e\n\u003cdd\u003eSierra 18-7977\u003c\/dd\u003e\n  \u003cdt\u003eProduct Status\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement; not an OEM-branded component\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Water-separating fuel filter element\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eThis product is listed as a single filter element. Filter disks, seals, gaskets, covers and other service components are not included unless they are specifically stated in the seller's package description.\u003c\/small\u003e\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the boat's battery and observe all applicable marine fuel-system safety precautions.\u003c\/li\u003e\n  \u003cli\u003eRelieve fuel-system pressure according to the engine manufacturer's service procedure.\u003c\/li\u003e\n  \u003cli\u003eLocate the compatible Gen III Cool Fuel module and clean the area around the cover before opening the housing.\u003c\/li\u003e\n  \u003cli\u003eRemove the housing cover according to the applicable service manual.\u003c\/li\u003e\n  \u003cli\u003eRemove the old filter element and inspect the housing, seals and filter disk for damage or contamination.\u003c\/li\u003e\n  \u003cli\u003eDo not reuse damaged seals or other service parts. Replace them separately if required by the service procedure.\u003c\/li\u003e\n  \u003cli\u003eInstall the new filter element in the correct orientation and position.\u003c\/li\u003e\n  \u003cli\u003eReinstall the cover and tighten it to the manufacturer's specified torque. Do not overtighten.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery, prime the fuel system according to the engine manual and inspect carefully for leaks before operating the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this filter fits my MerCruiser engine?\u003c\/summary\u003e\n  \u003cp\u003eConfirm that your engine uses the Generation III Cool Fuel system and that the existing filter or service documentation references 8M0093688, 35-866171A01, 866171A01 or the applicable cross-reference. Model, year and horsepower alone are not sufficient if the fuel-system housing differs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the relationship between 8M0093688 and 866171A01?\u003c\/summary\u003e\n  \u003cp\u003e8M0093688 is listed as the superseding Mercury reference for 35-866171A01 and 866171A01. Confirm the number and physical configuration of the filter in your application before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a complete filter service kit?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for one replacement filter element. A filter disk, seals or gaskets are not included unless separately stated in the package description.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the filter be replaced?\u003c\/summary\u003e\n  \u003cp\u003eFollow the maintenance interval in your engine or boat service manual. Replacement may also be necessary sooner if the engine shows fuel restriction symptoms or if water or contamination is found in the fuel system.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a restricted fuel filter?\u003c\/summary\u003e\n  \u003cp\u003ePossible symptoms include hesitation, loss of power, stalling, difficult starting or rough running. These symptoms can have several causes, so inspect the complete fuel system and follow the engine manufacturer's diagnostic procedure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM Mercury filter?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for an aftermarket replacement filter intended for applications associated with the listed Mercury references.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eAre seals or gaskets included?\u003c\/summary\u003e\n  \u003cp\u003eNo seals or gaskets are included with this single filter-element listing. Inspect the existing service parts and obtain replacements separately if required.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the filter housing, existing filter and applicable part references before purchase.\u003c\/li\u003e\n  \u003cli\u003eUse only with a compatible Gen III Cool Fuel configuration.\u003c\/li\u003e\n  \u003cli\u003eRelieve fuel pressure and work in a well-ventilated area away from ignition sources.\u003c\/li\u003e\n  \u003cli\u003eCheck carefully for fuel leaks after installation and before operating the engine.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the applicable service procedure is not available.\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 selected for practical service applications and real-world operating conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Shipping options and delivery times are shown at checkout based on destination and availability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplacement-Part Value\u003c\/strong\u003e — We focus on clearly identified aftermarket parts and useful application information.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723807985979,"sku":"3V-ZGNI-0530","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/3V-ZGNI-0530.png?v=1763032301"}],"url":"https:\/\/seasierra.com\/collections\/mercury-4-stroke-430hp-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}