{"title":"OMC 7.5L V8 4-Stroke Marine Engine","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is for OMC 4‑Stroke 7.5L V8 outboard engines and helps you find compatible parts and service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main OMC collection anytime. 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 results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; margin-top:8px; background:#0d9488; color:#ffffff; padding:10px 14px; border-radius:6px; text-decoration:none;\"\u003eBrowse All OMC Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 7.5L V8 Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the identification plate or decal on the engine block or mounting area; for many OMC packages, the tag is on the starboard side of the engine or near the transom\/mounting bracket.\u003c\/li\u003e\n    \u003cli\u003eModel codes and suffixes typically indicate features such as shaft\/transom configuration, control type, and production year. Record the full code and serial when shopping for parts.\u003c\/li\u003e\n    \u003cli\u003eFor 4‑Stroke V8 packages used with OMC drivetrains, note if your rig is paired with a King Cobra sterndrive (common in late‑1980s big‑block packages). Gearcase and water‑pump components differ from small outboards.\u003c\/li\u003e\n    \u003cli\u003eConfirm key dimensions before ordering: shaft\/transom setup, cooling water pickup style, and propeller hub size.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n  \u003ch3\u003eOMC 7.5L V8 (Big‑Block) Package\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;\"\u003eFord 460‑based big‑block V8, 4‑stroke, typically carbureted marine setup with high‑flow cooling and heavy‑duty charging.\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;\"\u003eFrequently found in late‑1980s OMC packages paired with King Cobra drivetrains (big‑hub prop systems).\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;\"\u003eHigh torque for heavy boats, durable cooling hardware, and robust gearcase options for large‑hub propellers.\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;\"\u003eBig‑block gearcases and prop hubs differ from small‑block setups. Follow OMC service procedures for water‑pump service and shift\/cable adjustment. Verify model\/serial details for parts compatibility.\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. Always follow the official service manual for your exact model 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;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eUse marine‑grade oil and correct filter spec for the 7.5L V8.\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 \/ drive)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eChange more often if water intrusion or metal is found; reseal if needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect every 100 hours; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eGap to spec and replace fouled or worn plugs.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eReplace sooner if fuel contamination or stale fuel is suspected.\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;\"\u003eEvery 2–3 seasons or 200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eReplace sooner after an overheat or sandy\/silty operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eWater 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 (sacrificial)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect every 50 hours; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eMatch alloy to water type (salt, brackish, fresh) for best protection.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eOMC Anodes\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\/bombardier-service-maintenance-kits\"\u003eOMC Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eWater 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 Plugs\u003c\/a\u003e \u0026amp; \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\/bombardier-anodes\"\u003eOMC Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \/ Sealing – \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion – \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-propellers\"\u003eOMC Propellers\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%; 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 water stream \/ overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect intake screens for debris, verify pump impeller condition, and confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eWater pump kit, thermostat, 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 \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eCheck propeller for damage or wrong pitch, replace fuel filter, confirm plug condition and timing.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003ePropeller, fuel filter, spark plugs\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;\"\u003eDrain stale fuel, inspect plugs, and service carb\/idle circuits; verify no intake air leaks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eSpark plugs, fuel filter, carburetor gasket\/kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eGearcase noise \/ metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eCheck oil level and color; inspect for water intrusion and prop‑shaft runout; service or reseal as needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eLower unit seal kit, bearings, propeller\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eHard shifting \/ won’t stay in gear\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eVerify shift cable adjustment and linkage bushings; inspect clutch\/gear wear if persists.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eShift cable hardware, bushings, gearcase service parts\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\u003eSome service parts cross over between years, but big‑block drivetrains can use different gearcases, hubs, and cooling components than smaller engines. Always verify by model\/serial and application.\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\u003eAs a rule of thumb, replace the impeller every 2–3 seasons or around 200 hours. Replace immediately after any overheat or if the pump ingested sand\/silt.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange at least every 100 hours or annually, and whenever you see milky oil (water intrusion) or metal shavings. Reseal the unit if contamination is found.\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 complete model code, serial number, mounting\/transom configuration, and any notable options (prop hub size, control type). Photos of the nameplate and existing part help speed verification.\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 shop? Browse the main OMC collection by horsepower, year, and model to find parts matched to your engine.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; margin:8px 0; background:#0d9488; color:#ffffff; padding:10px 14px; border-radius:6px; text-decoration:none;\"\u003eShop OMC 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":"marine-engine-v-belt-fits-mercruiser-3-7l-7-4l-omc-7-5l-v8-replaces-mercury-omc-sierra-mallory","title":"Marine Engine V-Belt for MerCruiser, OMC Cobra and Volvo Penta Sterndrive Applications","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 aftermarket \u003cstrong\u003emarine engine V-belt\u003c\/strong\u003e is intended for specified MerCruiser, OMC Cobra and Volvo Penta sterndrive applications. Company fitment information identifies the belt for power-steering applications on selected MerCruiser engines and for water-pump, drive-hub and power-steering applications on selected OMC 7.5L V8 engines.\u003c\/p\u003e\n    \u003cp\u003eListed manufacturer and aftermarket references include Mercury Marine \u003cstrong\u003e57-33170\u003c\/strong\u003e, \u003cstrong\u003e57-33170Q\u003c\/strong\u003e, \u003cstrong\u003e57-37619T\u003c\/strong\u003e and \u003cstrong\u003e57-34359\u003c\/strong\u003e; Sierra Marine \u003cstrong\u003e18-15520\u003c\/strong\u003e; Mallory Marine \u003cstrong\u003e9-55001\u003c\/strong\u003e; and OMC or Johnson\/Evinrude references including \u003cstrong\u003e0509287\u003c\/strong\u003e, \u003cstrong\u003e0509288\u003c\/strong\u003e, \u003cstrong\u003e0909818\u003c\/strong\u003e, \u003cstrong\u003e0912714\u003c\/strong\u003e, \u003cstrong\u003e0509311\u003c\/strong\u003e and \u003cstrong\u003e0912418\u003c\/strong\u003e. Reference numbers are provided for identification and cross-reference purposes. Confirm the number and application against your engine documentation before ordering.\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eReplacement V-belt for specified marine engine accessory-drive applications.\u003c\/li\u003e\n        \u003cli\u003eUsed as a power-steering belt on the listed MerCruiser applications.\u003c\/li\u003e\n        \u003cli\u003eUsed for water-pump, drive-hub and power-steering applications on the listed OMC 7.5L V8 applications.\u003c\/li\u003e\n        \u003cli\u003eSold as one replacement V-belt; no additional hardware is included.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n    \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n    \u003cp\u003eThe following references are listed in the product data or supporting aftermarket catalog material. They are not a guarantee that every number applies to every engine shown below.\u003c\/p\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n      \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\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\u003e57-33170\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e57-33170Q\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e57-37619T\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e57-34359\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e33170, 37619, 37619Q, 37619T\u003c\/td\u003e\n\u003ctd\u003eAdditional manufacturer references\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eOMC \/ Johnson-Evinrude\u003c\/td\u003e\n\u003ctd\u003e0509287, 0509288, 0909818, 0912714\u003c\/td\u003e\n\u003ctd\u003eManufacturer references\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eOMC Cobra\u003c\/td\u003e\n\u003ctd\u003e0509311, 0909818, 0912418, 0912714\u003c\/td\u003e\n\u003ctd\u003eManufacturer references\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eSierra Marine\u003c\/td\u003e\n\u003ctd\u003e18-15520\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eMallory Marine\u003c\/td\u003e\n\u003ctd\u003e9-55001\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e952141\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference for MD1 application\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n    \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n    \u003cp\u003eCompatibility depends on the complete engine model, year and serial-number range. Keep the engine application, year range and reference number together when comparing your original belt. If your exact model is not listed, consult the engine manufacturer’s parts diagram or service manual before ordering.\u003c\/p\u003e\n\n    \u003ch3\u003eMerCruiser Applications\u003c\/h3\u003e\n    \u003cp\u003eThe company fitment data lists this V-belt for power-steering applications on the following MerCruiser engines and production ranges:\u003c\/p\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n      \u003ctable class=\"ss-table\" aria-label=\"MerCruiser Engine Compatibility\"\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n\u003cth\u003eEngine \/ Model\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eReference Range\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\u003e175 \/ 185 \/ 4.3L\u003c\/td\u003e\n\u003ctd\u003e1985–1992\u003c\/td\u003e\n\u003ctd\u003eA331455–D714106\u003c\/td\u003e\n\u003ctd\u003ePower steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e898 \/ 200 \/ 5.0L\u003c\/td\u003e\n\u003ctd\u003e1985–1995\u003c\/td\u003e\n\u003ctd\u003e6218462–F600999\u003c\/td\u003e\n\u003ctd\u003ePower steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e205\u003c\/td\u003e\n\u003ctd\u003e1985–1991\u003c\/td\u003e\n\u003ctd\u003eA331455–D714369\u003c\/td\u003e\n\u003ctd\u003ePower steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e1973–1974\u003c\/td\u003e\n\u003ctd\u003e3385721–4166999\u003c\/td\u003e\n\u003ctd\u003ePower steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e228 \/ 230 \/ 5.0L\u003c\/td\u003e\n\u003ctd\u003e1983–1995\u003c\/td\u003e\n\u003ctd\u003e6218462–F600999\u003c\/td\u003e\n\u003ctd\u003ePower steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e228 \/ 230 \/ 5.0L MIE\u003c\/td\u003e\n\u003ctd\u003e1978–1987\u003c\/td\u003e\n\u003ctd\u003e4929030–B788151\u003c\/td\u003e\n\u003ctd\u003ePower steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e260 \/ 5.7L\u003c\/td\u003e\n\u003ctd\u003e1983–1995\u003c\/td\u003e\n\u003ctd\u003e6218462–F600999\u003c\/td\u003e\n\u003ctd\u003ePower steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e350 MAG\u003c\/td\u003e\n\u003ctd\u003e1986–1995\u003c\/td\u003e\n\u003ctd\u003eA635178–F600999\u003c\/td\u003e\n\u003ctd\u003ePower steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e320 EFI\u003c\/td\u003e\n\u003ctd\u003e1987–1989\u003c\/td\u003e\n\u003ctd\u003eA543604–C622418\u003c\/td\u003e\n\u003ctd\u003ePower steering\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3\u003eOMC Cobra Applications\u003c\/h3\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n      \u003ctable class=\"ss-table\" aria-label=\"OMC Cobra Engine Compatibility\"\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n\u003cth\u003eEngine \/ Model\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eManufacturer References\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\u003e7.5L V8 460\u003c\/td\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003e0509287, 0509288, 0909818, 0912714\u003c\/td\u003e\n\u003ctd\u003eWater pump, drive hub and power steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e7.5L V8 460 King Cobra\u003c\/td\u003e\n\u003ctd\u003e1988\u003c\/td\u003e\n\u003ctd\u003e0509287, 0509288, 0909818, 0912714\u003c\/td\u003e\n\u003ctd\u003eWater pump, drive hub and power steering\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eV8 305 gasoline\u003c\/td\u003e\n\u003ctd\u003e1977–1984\u003c\/td\u003e\n\u003ctd\u003e0509311, 0909818, 0912418, 0912714\u003c\/td\u003e\n\u003ctd\u003eOMC Cobra V-belt application\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eV8 350 gasoline\u003c\/td\u003e\n\u003ctd\u003e1977–1984\u003c\/td\u003e\n\u003ctd\u003e0509311, 0909818, 0912418, 0912714\u003c\/td\u003e\n\u003ctd\u003eOMC Cobra V-belt application\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eV8 454 gasoline\u003c\/td\u003e\n\u003ctd\u003e1977–1982\u003c\/td\u003e\n\u003ctd\u003e0509311, 0909818, 0912418, 0912714\u003c\/td\u003e\n\u003ctd\u003eOMC Cobra V-belt application\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3\u003eVolvo Penta Application\u003c\/h3\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n      \u003ctable class=\"ss-table\" aria-label=\"Volvo Penta Engine Compatibility\"\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eManufacturer Reference\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eMD1\u003c\/td\u003e\n\u003ctd\u003e952141\u003c\/td\u003e\n\u003ctd\u003eV-belt application\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n    \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n    \u003cdl\u003e\n        \u003cdt\u003eProduct Type\u003c\/dt\u003e\n        \u003cdd\u003eMarine engine V-belt\u003c\/dd\u003e\n        \u003cdt\u003eQuantity\u003c\/dt\u003e\n        \u003cdd\u003eOne replacement belt\u003c\/dd\u003e\n        \u003cdt\u003ePrimary Listed Use\u003c\/dt\u003e\n        \u003cdd\u003ePower steering on specified MerCruiser applications\u003c\/dd\u003e\n        \u003cdt\u003eAdditional Listed Uses\u003c\/dt\u003e\n        \u003cdd\u003eWater pump, drive hub and power steering on specified OMC applications\u003c\/dd\u003e\n        \u003cdt\u003eApplication Style\u003c\/dt\u003e\n        \u003cdd\u003eStern-drive \/ out-drive engine accessory drive\u003c\/dd\u003e\n        \u003cdt\u003eManufacturer and Aftermarket References\u003c\/dt\u003e\n        \u003cdd\u003eMercury Marine 57-33170, 57-33170Q, 57-37619T and 57-34359; Sierra Marine 18-15520; Mallory Marine 9-55001; selected OMC, Johnson\/Evinrude and Volvo Penta references as listed above\u003c\/dd\u003e\n    \u003c\/dl\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n    \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1\u003c\/span\u003e x Marine engine V-belt\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n    \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n    \u003col\u003e\n        \u003cli\u003eTurn the engine off, allow it to cool and disconnect the battery according to the manufacturer’s safety procedure.\u003c\/li\u003e\n        \u003cli\u003eConfirm the replacement reference, belt routing and accessory application using the engine service manual or routing diagram.\u003c\/li\u003e\n        \u003cli\u003eRelieve belt tension using the procedure and tools specified for your engine. Some applications use an adjustable accessory mount rather than a spring-loaded tensioner.\u003c\/li\u003e\n        \u003cli\u003eRemove the old belt and inspect the pulleys for damage, contamination, misalignment or excessive wear.\u003c\/li\u003e\n        \u003cli\u003eInstall the replacement belt in the correct pulley grooves and follow the specified routing.\u003c\/li\u003e\n        \u003cli\u003eSet belt tension according to the engine manufacturer’s specification. Do not rely on a universal flex measurement.\u003c\/li\u003e\n        \u003cli\u003eRotate the drive by hand where appropriate to confirm that the belt tracks correctly, then run the engine briefly and check for abnormal noise, slipping or misalignment.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n    \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow do I confirm that this V-belt is correct?\u003c\/summary\u003e\n        \u003cp\u003eMatch the complete engine model, year and serial-number range, the belt’s function and the manufacturer reference shown in your service documentation. The compatibility tables identify listed applications, but they do not replace the engine manufacturer’s parts diagram.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhat are the signs of a worn or failing V-belt?\u003c\/summary\u003e\n        \u003cp\u003eSquealing, slipping, glazing, cracking, fraying, visible cord damage and loss of accessory performance can indicate belt or pulley problems. Check for the underlying cause, such as incorrect tension or pulley misalignment, before installing the replacement.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eDoes this belt fit every MerCruiser or OMC engine?\u003c\/summary\u003e\n        \u003cp\u003eNo. It is listed for the specific MerCruiser, OMC Cobra and Volvo Penta applications shown above. Similar engine displacement alone does not confirm fitment; model, year, serial range, accessory arrangement and belt reference must all agree.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eIs this belt used for the alternator, power steering or water pump?\u003c\/summary\u003e\n        \u003cp\u003eThe company data lists power-steering use for the specified MerCruiser applications and water-pump, drive-hub and power-steering use for the specified OMC 7.5L V8 applications. The exact accessory driven by the belt depends on the engine configuration, so verify the routing diagram for your engine.\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. The manufacturer and aftermarket reference numbers above are supplied for identification and cross-reference purposes; the belt is not represented as a factory-branded OEM component.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eDoes the package include pulleys, a tensioner or installation hardware?\u003c\/summary\u003e\n        \u003cp\u003eNo. The package contains one replacement V-belt only. Pulleys, tensioners, brackets and other hardware are not included.\u003c\/p\u003e\n    \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n    \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003eVerify the belt routing, dimensions and reference number against your original part and engine documentation before installation.\u003c\/li\u003e\n        \u003cli\u003eDo not install the belt if the pulley profile, length or application differs from your original part.\u003c\/li\u003e\n        \u003cli\u003eInspect the pulleys and accessory mounts before fitting the new belt.\u003c\/li\u003e\n        \u003cli\u003eFollow the engine manufacturer’s tension specification and safety instructions. Professional installation is recommended when the correct procedure is uncertain.\u003c\/li\u003e\n        \u003cli\u003eThis is an aftermarket replacement, not a factory-branded OEM component.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n    \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply replacement components for a range of marine engine and sterndrive applications.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product references and fitment information are provided to help you compare your engine documentation.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSupport for Parts Identification\u003c\/strong\u003e — Always use the complete model, year and serial information when confirming a replacement part.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723963928891,"sku":"23BL354","price":45.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23BL354_1.jpg?v=1763038523"}],"url":"https:\/\/seasierra.com\/collections\/omc-7-5l-v8-4-stroke-marine-engine.oembed","provider":"SeaSierra","version":"1.0","type":"link"}