{"title":"Mercury MerCruiser 140HP 4-Stroke Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003e\n    This page focuses on Mercury 4-Stroke 140HP outboard engines and helps you find compatible parts and service information. Below you’ll find maintenance tips, commonly replaced parts, and troubleshooting guidance. You can also browse the main Mercury collection for a wider selection. Scroll to the bottom of this page to start browsing parts for this engine, and remember that on the collection page you can use the Filter \u0026amp; Sort controls to narrow by horsepower, year range, and part category.\n  \u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#111827; 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=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 140HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the serial number plate on the transom bracket or swivel bracket. This plate provides the serial number needed to confirm parts compatibility.\u003c\/li\u003e\n    \u003cli\u003eRead the full model designation and suffix: these often indicate shaft length (L\/XL), control type (tiller vs. remote), and sometimes market\/year codes.\u003c\/li\u003e\n    \u003cli\u003eConfirm it’s a 4-stroke by the engine cover labeling and presence of an engine oil system with an external oil filter.\u003c\/li\u003e\n    \u003cli\u003eIf your engine has a “Command Thrust” or heavy-duty gearcase, note this—propellers and some gearcase parts differ from standard gearcases.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline-4 FourStroke Platform (140HP class)\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; 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;\"\u003eInline-4, EFI 4-stroke outboard designed for mid-range horsepower with quiet operation and good fuel efficiency.\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;\"\u003eFourStroke inline-4 family in the 135–150 HP class; verify your exact serial number to match service parts.\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 mid-range torque, reliable EFI starting, low vibration, and broad parts availability.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFilters, anodes, and impeller kits can vary by serial number range. Propeller and hardware may differ between Standard and Command Thrust gearcases.\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=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines; always follow the official service manual for your specific serial number 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; 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;\"\u003eWarm the engine before draining; replace crush washer if applicable.\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;\"\u003eCheck for water intrusion; replace drain\/fill gaskets; inspect magnetic plug for metal.\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 every 100 hours; replace 200–300 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eSet gap to spec; replace sooner if fouled or misfire occurs.\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 Separator\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 if water or debris is present; use fresh fuel and stabilizer as needed.\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;\"\u003e2–3 seasons or 200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eReplace sooner if weak tell‑tale, overheat, or debris ingestion is noted.\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;\"\u003eAnodes (Sacrificial)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 50 hours; replace at ~50% wear\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch alloy (zinc\/aluminum\/magnesium) to your water type for best protection.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\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=\"margin-top:28px;\"\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 and \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-pumps\"\u003eFuel Pumps\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/starters\"\u003eStarters\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\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\u003ePropulsion: \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/trim-motors\"\u003eTrim Motors\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"margin-top:28px;\"\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; 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 tell‑tale stream \/ overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect intake screens for debris; verify water pump impeller condition; check thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eWater pump repair kit, thermostat, housing gaskets, intake screens\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eConfirm fuel quality; replace\/inspect fuel filter; check spark plugs; inspect prop for damage\/cavitation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eFuel filter, spark plugs, propeller, fuel pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eVerify battery voltage and connections; prime fuel system; inspect plugs and air\/fuel filters.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eStarter, spark plugs, fuel filter, electrical connectors\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain gear oil and check for water or metal; inspect seals and prop shaft for fishing line damage.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, drain\/fill plug gaskets, prop hardware\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=\"margin-top:28px;\"\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\u003eSome items carry across multiple years, but filters, anodes, and cooling parts often change with serial number updates and gearcase options. Always confirm with your serial number and model details.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the water pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eAs a preventive measure every 2–3 seasons or ~200 hours, and immediately if you notice a weak tell‑tale, overheat alarms, or sand\/silt ingestion.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should lower unit gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eTypically every 100 hours or annually. Replace sooner if you find water contamination, burned odor, or metal on the magnetic drain plug.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm parts compatibility?\u003c\/summary\u003e\n    \u003cp\u003eThe engine serial number, horsepower and stroke type, shaft length (L\/XL), control type (tiller\/remote), and whether you have a Standard or Command Thrust gearcase.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"margin-top:28px; padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eReady to find the exact parts for your Mercury outboard? Browse the main collection by horsepower, year, and model to match your serial number and configuration.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#111827; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Mercury Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; color:#6b7280;\"\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":"v-belt-fits-mercruiser-120-140hp-2-5l-3-0l-replaces-57-65607q","title":"Power Steering V-Belt for MerCruiser 120\/140 HP, 2.5L and 3.0L Engines – Replaces 57-65607Q","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\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 {\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\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis high-quality \u003cstrong\u003epower steering V-belt\u003c\/strong\u003e is designed for selected MerCruiser 120 HP, 140 HP, 2.5L and 3.0L sterndrive applications. It provides reliable drive for the power steering system and is intended to help restore proper belt operation, tension and steering-assist performance when the original belt is worn or damaged.\u003c\/p\u003e\n  \u003cp\u003eThis belt is listed as a replacement for Mercury\/MerCruiser part numbers \u003cstrong\u003e57-65607Q\u003c\/strong\u003e, \u003cstrong\u003e57-65607\u003c\/strong\u003e and \u003cstrong\u003e57-65607T\u003c\/strong\u003e. It is also cross-referenced with aftermarket number \u003cstrong\u003eSierra 18-15370\u003c\/strong\u003e. Confirm the original belt, pulley arrangement and engine application before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned for power steering pump applications on listed MerCruiser engines.\u003c\/li\u003e\n    \u003cli\u003eRubber and fiber composite construction provides durable grip and service performance.\u003c\/li\u003e\n    \u003cli\u003eApproximately 37 inches (940 mm) in length for applications requiring this belt size.\u003c\/li\u003e\n    \u003cli\u003eSingle replacement V-belt; no pulley, tensioner or installation hardware is included.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse the following references to compare the replacement belt with the number shown on your original part or application catalog.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Interchange References\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/MerCruiser\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/MerCruiser\u003c\/td\u003e\n          \u003ctd\u003e57-65607\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/MerCruiser\u003c\/td\u003e\n          \u003ctd\u003e57-65607T\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-15370\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\u003eThe compatibility information below reflects the listed MerCruiser applications associated with this replacement belt. Model names, production years and belt routing can vary by engine configuration and serial-number range. Verify the engine model, year, original part number and pulley layout before installation.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eModel\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eYears\u003c\/th\u003e\n          \u003cth\u003eOEM Part No.\u003c\/th\u003e\n          \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e120\u003c\/td\u003e\n          \u003ctd\u003e120\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1974–1982\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e153 CID \/ L4 engine application\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e120\u003c\/td\u003e\n          \u003ctd\u003e120\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1982–1986\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e153 CID \/ L4 engine application\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e2.5L\u003c\/td\u003e\n          \u003ctd\u003e120\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1987–1989\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e153 CID \/ L4 engine application\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1974–1982\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e181 CID \/ L4 engine application\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1982–1999\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e181 CID \/ L4 engine application\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e3.0L\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1987–1994\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e181 CID \/ L4 engine application\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e3.0L\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–1999\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e181 CID \/ L4 engine application\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e3.0L\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1999–2008\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e181 CID \/ L4 engine application\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e3.0LX\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1990–1995\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e181 CID \/ L4 engine application\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e3.0LX\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1986–1997\u003c\/td\u003e\n          \u003ctd\u003e57-65607Q\u003c\/td\u003e\n          \u003ctd\u003e181 CID \/ L4 engine application\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\u003eV-Belt\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003ePower steering system\u003c\/dd\u003e\n    \u003cdt\u003eConstruction\u003c\/dt\u003e\n    \u003cdd\u003eRubber\/fiber composite\u003c\/dd\u003e\n    \u003cdt\u003eColor\u003c\/dt\u003e\n    \u003cdd\u003eBlack\u003c\/dd\u003e\n    \u003cdt\u003eApproximate Length\u003c\/dt\u003e\n    \u003cdd\u003e37 inches (940 mm)\u003c\/dd\u003e\n    \u003cdt\u003eFitting Type\u003c\/dt\u003e\n    \u003cdd\u003eStandard V-belt\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 × Power steering V-belt\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the boat's battery cables and allow the engine to cool before beginning work.\u003c\/li\u003e\n    \u003cli\u003eLocate the power steering pump and record the routing of the existing belt. A reference photo can be helpful.\u003c\/li\u003e\n    \u003cli\u003eLoosen the tensioner pulley or the pump mounting bolts only enough to release belt tension.\u003c\/li\u003e\n    \u003cli\u003eCarefully remove the old belt from the pulleys.\u003c\/li\u003e\n    \u003cli\u003eCompare the replacement belt with the old belt and confirm the length, profile and width before installation.\u003c\/li\u003e\n    \u003cli\u003eRoute the replacement belt around the crankshaft, power steering pump and any applicable idler pulleys according to the engine's routing arrangement.\u003c\/li\u003e\n    \u003cli\u003eRestore belt tension according to the engine manufacturer's service instructions. Avoid overtightening, which can damage bearings and pulleys.\u003c\/li\u003e\n    \u003cli\u003eTighten all mounting and tensioner fasteners to the manufacturer's specified torque.\u003c\/li\u003e\n    \u003cli\u003eReconnect the battery, start the engine and check that the belt tracks smoothly without squealing, slipping or wobbling.\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 belt is correct for my engine?\u003c\/summary\u003e\n    \u003cp\u003eCompare your engine model, year, serial-number information, original belt and pulley arrangement with the compatibility information above. This belt is listed for selected MerCruiser 120 HP, 140 HP, 2.5L and 3.0L applications used for power steering. If the original belt or routing differs, confirm the application with a qualified marine technician before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this belt for the alternator or power steering pump?\u003c\/summary\u003e\n    \u003cp\u003eThis listing is for the \u003cstrong\u003epower steering belt\u003c\/strong\u003e. Your engine may use separate belts for the alternator, raw-water pump or other accessories. Confirm the belt's specific routing before installation.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a failing V-belt?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs include squealing during operation, visible cracks, fraying, glazing, excessive looseness or a reduction in power steering assistance, especially at low engine speed. Replace a belt that shows damage or cannot be tensioned correctly.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I replace my power steering belt?\u003c\/summary\u003e\n    \u003cp\u003eReplacement intervals depend on operating conditions and the engine manufacturer's maintenance schedule. Inspect the belt during routine service and replace it if it is worn, cracked, frayed, glazed, stretched or contaminated with oil or fuel.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM belt?\u003c\/summary\u003e\n    \u003cp\u003eThis listing is for an aftermarket replacement belt, not a Mercury\/MerCruiser-branded original equipment component. The listed OEM part numbers are provided as application references only.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow fast is shipping and what does it cost?\u003c\/summary\u003e\n    \u003cp\u003eShipping availability, delivery estimates and applicable charges are calculated at checkout based on the destination and selected service. Available expedited options, if any, will be displayed during checkout.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\n    \u003cp\u003eWarranty coverage and return eligibility are governed by the seller's current policies. Contact support with your order details if the belt arrives damaged or you need assistance confirming an application before installation.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify the engine model, year, serial-number information, original belt and pulley routing before ordering.\u003c\/li\u003e\n    \u003cli\u003eCompare the replacement belt with the original part before installation.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not a Mercury\/MerCruiser-branded OEM component.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the battery and keep hands, clothing and tools away from moving belts and pulleys during operation.\u003c\/li\u003e\n    \u003cli\u003eProfessional marine-service installation is recommended when the correct routing or tension 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\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine replacement parts selected for dependable performance in real-world service conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Shipping options and delivery estimates are provided at checkout for the destination.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Practical replacement parts at competitive prices.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718265508155,"sku":"23BL229R","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23BL229R.png?v=1762958515"},{"product_id":"intake-exhaust-manifold-gasket-fits-mercruiser-120-140-2-5l-3-0l-replaces-27-96429","title":"Intake\/Exhaust Manifold Gasket for MerCruiser 120\/140, 2.5L and 3.0L Engines – Replaces Mercury 27-96429","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 {\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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis replacement \u003cstrong\u003eintake\/exhaust manifold gasket\u003c\/strong\u003e is intended for selected MerCruiser four-cylinder engines using the GM 153 CID 2.5L or GM 181 CID 3.0L engine family. Catalog applications identify the related Mercury Marine reference as \u003cstrong\u003e27-96429\u003c\/strong\u003e and describe the applicable 2.5L and 3.0L engines as 1983–1995 non-LX applications.\u003c\/p\u003e\n\u003cp\u003eThe gasket is installed at the manifold-to-cylinder-head sealing joint. It is an aftermarket replacement for the referenced marine engine application; compare the original gasket, manifold design, engine designation and serial-number information before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFor selected MerCruiser four-cylinder 2.5L and 3.0L applications.\u003c\/li\u003e\n  \u003cli\u003eDesigned for the intake\/exhaust manifold sealing interface identified by the application catalogs.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement for Mercury Marine reference 27-96429.\u003c\/li\u003e\n  \u003cli\u003eConfirm the engine configuration and non-LX application before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThese references are provided for identification and cross-reference purposes. They do not replace application verification.\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 or Catalog Reference\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\u003eMercury Marine\u003c\/td\u003e\n        \u003ctd\u003e27-96429\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e33570\u003c\/td\u003e\n        \u003ctd\u003eCatalog cross-reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-1204-1\u003c\/td\u003e\n        \u003ctd\u003eCatalog cross-reference; verify package configuration separately\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\u003eThe application information below is based on catalog descriptions for the 27-96429 reference. Model, year, engine configuration and serial-number conditions must be checked together. The catalog relationship supports the general application below but does not establish every individual serial-number range.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Compatible MerCruiser Engine Models\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eEngine Family or Model\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eApplication Years\u003c\/th\u003e\n        \u003cth\u003eOEM Reference\u003c\/th\u003e\n        \u003cth\u003eApplication Notes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e120 \/ 2.5L L4, GM 153 CID\u003c\/td\u003e\n        \u003ctd\u003e120\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1983–1989\u003c\/td\u003e\n        \u003ctd\u003e27-96429\u003c\/td\u003e\n        \u003ctd\u003eCatalog-listed 2.5L four-cylinder application; verify engine and manifold configuration.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e140 \/ 3.0L L4, GM 181 CID\u003c\/td\u003e\n        \u003ctd\u003e140\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1983–1995\u003c\/td\u003e\n        \u003ctd\u003e27-96429\u003c\/td\u003e\n        \u003ctd\u003eCatalog-listed 3.0L four-cylinder non-LX application; verify year and serial number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e3.0L\/LX L4\u003c\/td\u003e\n        \u003ctd\u003eNot confirmed for this replacement\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1990 and later\u003c\/td\u003e\n        \u003ctd\u003e27-96429\u003c\/td\u003e\n        \u003ctd\u003eDo not assume LX fitment. Confirm the exact manifold and gasket design before ordering.\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\u003eIntake\/exhaust manifold gasket\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected MerCruiser four-cylinder marine gasoline engines\u003c\/dd\u003e\n  \u003cdt\u003eEngine Families\u003c\/dt\u003e\n  \u003cdd\u003eGM 153 CID 2.5L and GM 181 CID 3.0L\u003c\/dd\u003e\n  \u003cdt\u003eInstallation Location\u003c\/dt\u003e\n  \u003cdd\u003eBetween the cylinder head and intake\/exhaust manifold mating surfaces\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n  \u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eOEM Reference\u003c\/dt\u003e\n  \u003cdd\u003eMercury Marine 27-96429\u003c\/dd\u003e\n  \u003cdt\u003eApplication Limitation\u003c\/dt\u003e\n  \u003cdd\u003eCatalog-listed 1983–1995 non-LX applications; verify the exact engine and serial number\u003c\/dd\u003e\n  \u003cdt\u003ePart Construction\u003c\/dt\u003e\n  \u003cdd\u003eReplacement gasket; material, color and dimensional specifications are not provided in the available product records\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eManifold gasket replacement for the listed application.\u003c\/li\u003e\n  \u003cli\u003ePackage quantity and any additional installation hardware are not confirmed in the available product records; do not assume bolts, sealant or other components are included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the vessel's battery and allow the engine to cool completely.\u003c\/li\u003e\n  \u003cli\u003eDrain the engine block and manifold cooling system as required by the service procedure.\u003c\/li\u003e\n  \u003cli\u003eLabel and remove components that obstruct access to the manifold, such as fuel lines, wiring or linkages.\u003c\/li\u003e\n  \u003cli\u003eLoosen and remove the manifold mounting bolts in the sequence specified by the engine service manual.\u003c\/li\u003e\n  \u003cli\u003eRemove the manifold and old gasket without damaging the cylinder-head or manifold mating surfaces.\u003c\/li\u003e\n  \u003cli\u003eClean both mating surfaces thoroughly and check them for corrosion, warping or damage.\u003c\/li\u003e\n  \u003cli\u003eCompare the replacement gasket with the removed gasket and confirm the ports and bolt holes are correctly oriented.\u003c\/li\u003e\n  \u003cli\u003ePosition the gasket and reinstall the manifold according to the engine manufacturer's service instructions.\u003c\/li\u003e\n  \u003cli\u003eHand-tighten the bolts, then tighten them in the specified sequence and to the specified torque values.\u003c\/li\u003e\n  \u003cli\u003eReinstall all removed components and reconnect the cooling system and battery.\u003c\/li\u003e\n  \u003cli\u003eRun the engine according to the service procedure and inspect the manifold joint for exhaust, water or coolant leakage.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow can I confirm this gasket fits my specific engine?\u003c\/summary\u003e\u003cp\u003eConfirm that your engine is a MerCruiser four-cylinder 2.5L or 3.0L model within the catalog-listed application, then compare the engine model, year, serial number, manifold design and old gasket shape. The OEM reference 27-96429 is an identification aid, not a substitute for complete fitment verification.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this gasket for both 120 HP and 140 HP engines?\u003c\/summary\u003e\u003cp\u003eCatalog application data associates this reference with selected 120 HP 2.5L and 140 HP 3.0L four-cylinder MerCruiser applications. Verify the exact year, serial number and manifold configuration before purchase.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this gasket fit every MerCruiser 3.0L or 3.0L LX engine?\u003c\/summary\u003e\u003cp\u003eNo. The available catalog information identifies 3.0L non-LX applications and does not confirm universal LX fitment. Check the engine designation, serial number and manifold design before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM Mercury Marine gasket?\u003c\/summary\u003e\u003cp\u003eNo. This listing is for an aftermarket replacement. Mercury Marine 27-96429 is shown as the OEM reference used for identification and cross-reference.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are common symptoms of a failed manifold gasket?\u003c\/summary\u003e\u003cp\u003ePossible symptoms include exhaust or water leakage at the manifold joint, ticking or hissing noise that changes with engine speed, reduced performance, and overheating when a cooling-water leak is present. Diagnose the complete system before replacing the gasket.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould sealant be used during installation?\u003c\/summary\u003e\u003cp\u003eDo not apply sealant unless the engine or gasket manufacturer's service instructions specifically require it. Follow the applicable service manual for surface preparation, gasket orientation, tightening sequence and torque.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the package a complete manifold repair kit?\u003c\/summary\u003e\u003cp\u003eNo complete repair kit is established by the available records. The listing is for the replacement manifold gasket; bolts, sealant, manifold parts and other hardware are not confirmed as included.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eShipping availability, delivery estimates and cost are shown at checkout and may vary by destination and service selected.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eWarranty and return eligibility are governed by the applicable store policy. Review the current policy before ordering and retain the order information if assistance is needed.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the engine model, year, serial number, manifold design and original gasket before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on horsepower or displacement alone to confirm fitment.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM Mercury Marine component.\u003c\/li\u003e\n  \u003cli\u003eUse the engine service manual for cooling-system draining, gasket installation, bolt sequence and torque specifications.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when working on marine exhaust and cooling systems.\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.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Delivery options and estimated transit times are displayed at checkout.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Support\u003c\/strong\u003e — Use the engine model, serial number and original-part details when requesting fitment assistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718265639227,"sku":"24GK054-2","price":16.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/24GK054-2.png?v=1762958522"},{"product_id":"90-amp-fuse-assembly-fits-mercruiser-3-0l-8-2l-replaces-79023a91-88-79023a91-8m0207795","title":"90 Amp Fuse Assembly for MerCruiser 3.0L–8.2L Stern Drive Engines – Replaces 79023A91 and 88-79023A91","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 \u003cstrong\u003e90 Amp Fuse Assembly\u003c\/strong\u003e is a replacement circuit-protection component for applicable Mercury MerCruiser stern drive engines in the 3.0L–8.2L range. It is intended to replace the original fuse assembly when the existing component is damaged, blown, or otherwise requires replacement.\u003c\/p\u003e\n\u003cp\u003eUse the part number and the physical configuration of your original component to confirm compatibility before ordering. Application details can vary by engine model, year, and serial number.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e90-amp fuse assembly for applicable MerCruiser stern drive applications.\u003c\/li\u003e\n\u003cli\u003eDesigned as a replacement for the listed Mercury\/MerCruiser reference numbers.\u003c\/li\u003e\n\u003cli\u003eSingle replacement fuse assembly; mounting hardware and additional fuses are not included unless specifically shown in the product photos or order details.\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 reference numbers associated with this replacement assembly.\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\u003eReference Part Number\u003c\/th\u003e\n        \u003cth\u003eApplication\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury \/ MerCruiser\u003c\/td\u003e\n        \u003ctd\u003e79023A91\u003c\/td\u003e\n        \u003ctd\u003eReference number for comparison\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury \/ MerCruiser\u003c\/td\u003e\n        \u003ctd\u003e88-79023A91\u003c\/td\u003e\n        \u003ctd\u003eReference number for comparison\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eReference numbers are provided for identification and comparison. Confirm the exact engine model, year, serial number, and original fuse configuration before installation.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis replacement is listed for applicable \u003cstrong\u003eMercury MerCruiser 3.0L–8.2L stern drive engines\u003c\/strong\u003e. The displacement range alone does not confirm fitment for every engine 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\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eEngine Application\u003c\/th\u003e\n        \u003cth\u003eEngine Type\u003c\/th\u003e\n        \u003cth\u003eDisplacement Range\u003c\/th\u003e\n        \u003cth\u003eReference Part Numbers\u003c\/th\u003e\n        \u003cth\u003eFitment Notes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n        \u003ctd\u003eApplicable stern drive engines\u003c\/td\u003e\n        \u003ctd\u003eInboard marine gasoline engine used with a stern drive\u003c\/td\u003e\n        \u003ctd\u003e3.0L–8.2L\u003c\/td\u003e\n        \u003ctd\u003e79023A91; 88-79023A91\u003c\/td\u003e\n        \u003ctd\u003eVerify model, year, serial number, and the original fuse assembly before purchase.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eThis listing should not be used as confirmation for Mercury outboard, Verado, or unrelated inboard applications unless the original part number and application documentation match.\u003c\/p\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\u003e90 Amp fuse assembly\u003c\/dd\u003e\n  \u003cdt\u003eRated Capacity\u003c\/dt\u003e\n  \u003cdd\u003e90 amp\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eApplicable Mercury MerCruiser stern drive engines\u003c\/dd\u003e\n  \u003cdt\u003eDisplacement Coverage\u003c\/dt\u003e\n  \u003cdd\u003e3.0L–8.2L, subject to exact model and serial-number verification\u003c\/dd\u003e\n  \u003cdt\u003eReplacement References\u003c\/dt\u003e\n  \u003cdd\u003e79023A91 and 88-79023A91\u003c\/dd\u003e\n  \u003cdt\u003eProduct Format\u003c\/dt\u003e\n  \u003cdd\u003eSingle replacement assembly\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 × 90 Amp fuse assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional fuses, mounting hardware, cables, and installation tools are not included unless specifically stated in the order details.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eTurn off all electrical power and disconnect the battery before beginning work. Follow the engine manufacturer's electrical-service procedures.\u003c\/li\u003e\n\u003cli\u003eLocate the existing fuse assembly and compare its part-number markings, terminal arrangement, and physical mounting configuration with the replacement.\u003c\/li\u003e\n\u003cli\u003eRemove the cable connections only after the battery has been disconnected. Label the cables if necessary so they can be returned to their original positions.\u003c\/li\u003e\n\u003cli\u003eRemove the existing fuse assembly from its mounting location.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement assembly securely in the original position without forcing or stressing the cables.\u003c\/li\u003e\n\u003cli\u003eClean and inspect the cable terminals. Reconnect them to the correct terminals and tighten the connections securely.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery and test the electrical system. If the replacement fuse opens again, locate and repair the underlying short circuit or electrical fault before installing another fuse.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eMarine electrical repairs should be performed by a qualified technician when the correct circuit, fuse rating, or wiring configuration is uncertain.\u003c\/p\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 whether the fuse assembly needs replacement?\u003c\/summary\u003e\n\u003cp\u003eA failed fuse may interrupt power to the protected circuit and can prevent the engine from cranking or operating normally. Inspect the fuse and test it with suitable electrical equipment. Always identify the cause of a blown fuse before replacing it.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich engines does this replacement fit?\u003c\/summary\u003e\n\u003cp\u003eThe recorded application is for applicable Mercury MerCruiser stern drive engines from 3.0L through 8.2L. Engine displacement alone is not sufficient to confirm fitment, so compare the original part number and verify the exact model, year, and serial number.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this replacement for a Mercury outboard or Verado power-steering circuit?\u003c\/summary\u003e\n\u003cp\u003eThat application is not confirmed by the available product record. Do not use this listing for an outboard or Verado application unless the original part number and manufacturer application information match exactly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I install a fuse with a different amperage rating?\u003c\/summary\u003e\n\u003cp\u003eNo. Use the specified 90-amp rating only when it matches the manufacturer's required circuit protection. A higher-rated fuse can allow excessive current and wiring damage, while a lower-rated fuse may open unnecessarily.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this an OEM Mercury\/MerCruiser component?\u003c\/summary\u003e\n\u003cp\u003eThis listing is for a replacement fuse assembly. It is not presented as a genuine Mercury\/MerCruiser-branded component. Confirm the replacement's part-number and physical compatibility before installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat if the replacement fuse fails immediately?\u003c\/summary\u003e\n\u003cp\u003eDo not continue replacing fuses without diagnosing the circuit. An immediate failure can indicate a short, damaged cable, faulty starter or alternator circuit, incorrect wiring, or another electrical problem. Have the system tested by a qualified marine technician.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the shipping and return options?\u003c\/summary\u003e\n\u003cp\u003eAvailable shipping methods, delivery estimates, and return conditions are shown at checkout and are governed by the store's current policies.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the original part number, terminal layout, physical configuration, engine model, year, and serial number before ordering.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery before removing or installing any high-current fuse assembly.\u003c\/li\u003e\n\u003cli\u003eNever substitute a different fuse rating or bypass the fuse with wire or another conductive material.\u003c\/li\u003e\n\u003cli\u003eThis is a replacement component and is not represented as a genuine OEM-branded part.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended when the electrical fault or correct application 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 provide replacement components for common marine-service applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication-Focused Support\u003c\/strong\u003e — Compare the original part number and engine details before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-Friendly Ordering\u003c\/strong\u003e — Review the product information and current store policies at checkout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718268129595,"sku":"C35JuW4T420","price":19.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/C35JuW4T420.png?v=1762958620"},{"product_id":"shift-interrupt-switch-fits-mercruiser-alpha-bravo-engines-replaces-87-814281a5-814281a5","title":"Shift Interrupt Micro Switch for MerCruiser Stern Drives – Replaces 87-814281A5","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 shift interrupt micro switch is a replacement component for selected MerCruiser stern-drive shift systems. The switch is used in the shift-interrupt circuit to momentarily reduce engine load while the drive is shifted out of gear, helping the dog clutch disengage smoothly.\u003c\/p\u003e\n  \u003cp\u003eCatalog information identifies this replacement with Mercury MerCruiser part number \u003cstrong\u003e87-814281A5\u003c\/strong\u003e and associates it with selected 3.0L, 4.3L, 5.0L, and 5.7L MerCruiser applications, including LX and LXL variants listed from 1996 onward. Compatibility can vary by engine configuration, shift plate, and drive assembly, so verify the original switch and the complete engine or drive model before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplacement shift-interrupt micro switch for applicable MerCruiser stern-drive systems.\u003c\/li\u003e\n    \u003cli\u003eHelps provide the brief ignition interruption required for smooth shifting under load.\u003c\/li\u003e\n    \u003cli\u003eUse the original mounting arrangement and follow the applicable service-manual adjustment procedure.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003ePart Number Reference\u003c\/h2\u003e\n  \u003cp\u003eThe following manufacturer reference is associated with this replacement switch in the available catalog material.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Reference\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n          \u003ctd\u003e87-814281A5\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 Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eThe catalog reference for 87-814281A5 lists the following engine families and LX\/LXL applications from 1996 onward. This is a compatibility guide rather than a substitute for checking the complete model designation, serial number, shift plate, and drive 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\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eEngine or Model Family\u003c\/th\u003e\n          \u003cth\u003eApplication Notes\u003c\/th\u003e\n          \u003cth\u003eReference\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\u003c\/td\u003e\n          \u003ctd\u003eSelected LX applications listed from 1996 onward\u003c\/td\u003e\n          \u003ctd\u003e87-814281A5\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e4.3L\u003c\/td\u003e\n          \u003ctd\u003eSelected LX\/LXL applications listed from 1996 onward\u003c\/td\u003e\n          \u003ctd\u003e87-814281A5\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.0L\u003c\/td\u003e\n          \u003ctd\u003eSelected LX applications listed from 1996 onward\u003c\/td\u003e\n          \u003ctd\u003e87-814281A5\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser\u003c\/td\u003e\n          \u003ctd\u003e5.7L\u003c\/td\u003e\n          \u003ctd\u003eSelected LX applications listed from 1996 onward\u003c\/td\u003e\n          \u003ctd\u003e87-814281A5\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Do not rely on engine displacement alone. Compare the original switch, shift plate arrangement, drive type, model designation, and serial-number range with the applicable MerCruiser service information before installation.\u003c\/p\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\u003eShift interrupt micro switch\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eSelected MerCruiser stern-drive shift systems\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n    \u003cdd\u003eReplacement installation using the original mounting arrangement\u003c\/dd\u003e\n    \u003cdt\u003ePrimary Reference\u003c\/dt\u003e\n    \u003cdd\u003eMercury MerCruiser 87-814281A5\u003c\/dd\u003e\n    \u003cdt\u003eFunction\u003c\/dt\u003e\n    \u003cdd\u003eProvides a momentary engine interruption during the shift-out-of-gear operation\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 Shift interrupt micro switch\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eMounting hardware, additional shift-plate components, and wiring are not confirmed as included unless specifically shown or stated by the seller.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and observe all applicable marine electrical-safety procedures.\u003c\/li\u003e\n    \u003cli\u003eLocate the shift-interrupt switch on the applicable shift plate or shift-linkage assembly.\u003c\/li\u003e\n    \u003cli\u003eBefore removal, note the original switch position, actuator orientation, and wiring arrangement.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the wiring and remove the original switch using the appropriate tools.\u003c\/li\u003e\n    \u003cli\u003eInstall the replacement switch in the same mounting position and reconnect the wiring as documented.\u003c\/li\u003e\n    \u003cli\u003eAdjust the switch and shift linkage according to the correct MerCruiser service manual. Proper timing of the switch activation is essential.\u003c\/li\u003e\n    \u003cli\u003eAfter installation, test shifting with the boat secured and the engine supplied with adequate cooling water. Confirm that the engine responds correctly when shifting between gear and neutral.\u003c\/li\u003e\n  \u003c\/ol\u003e\n  \u003cp\u003eBecause incorrect adjustment can cause difficult shifting, gear engagement problems, or engine stalling, professional installation is recommended when the correct procedure is uncertain.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does the shift interrupt switch do?\u003c\/summary\u003e\n    \u003cp\u003eIt signals a brief interruption in the engine's ignition circuit during the shift-out-of-gear movement. This reduces load on the stern-drive clutch so the gears can disengage more smoothly.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are common symptoms of a faulty or misadjusted switch?\u003c\/summary\u003e\n    \u003cp\u003ePossible symptoms include difficulty shifting out of gear, excessive clunking during shifts, engine stalling during shifting, or no brief engine stumble when the shift mechanism passes through the interrupt position. These symptoms can also be caused by wiring, linkage, ignition, or drive problems.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes the switch require adjustment?\u003c\/summary\u003e\n    \u003cp\u003eUsually, the switch position and shift-linkage timing must be set correctly for the particular engine and drive assembly. Follow the applicable service manual rather than relying on a generic position.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this part compatible with every Alpha or Bravo application?\u003c\/summary\u003e\n    \u003cp\u003eNo universal compatibility claim should be made from the drive name alone. The available catalog reference lists selected MerCruiser 3.0L, 4.3L, 5.0L, and 5.7L LX\/LXL applications from 1996 onward. Verify the exact engine model, serial range, shift plate, and original part number before purchase.\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 a replacement switch identified against Mercury MerCruiser reference 87-814281A5. It should not be represented as a genuine Mercury-branded component unless the product packaging or seller documentation specifically confirms that status.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eDisconnect the battery before working on the switch or related wiring.\u003c\/li\u003e\n    \u003cli\u003eConfirm the original part and mounting arrangement before ordering.\u003c\/li\u003e\n    \u003cli\u003eVerify the exact model, year, serial range, engine displacement, shift plate, and drive configuration; engine displacement by itself is not sufficient confirmation.\u003c\/li\u003e\n    \u003cli\u003eUse the correct service manual for adjustment and operational testing.\u003c\/li\u003e\n    \u003cli\u003eDo not operate the engine without an adequate cooling-water supply.\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 — Practical replacement components for common marine service and repair applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product references and compatibility information are provided to help customers compare their original part and equipment details.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSupport for Fitment Checks\u003c\/strong\u003e — When model, serial, or drive information is uncertain, verify the application before installation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718268686651,"sku":"23SH367R1","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23SH367R1.png?v=1762958641"}],"url":"https:\/\/seasierra.com\/collections\/mercury-mercruiser-140hp-4-stroke-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}