{"title":"OMC 4-Stroke 3.8L-5.7L Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page supports OMC 4‑Stroke 3.8L–5.7L marine engines (Cobra sterndrive packages), helping you find compatible parts and service information. Inside you’ll find maintenance tips, commonly replaced parts, and troubleshooting guidance. You can also browse the main Johnson\/Evinrude\/OMC collection. Scroll to the bottom of this page to start browsing parts for this engine. On the collection page, use the Filter \u0026amp; Sort controls to narrow results by displacement or horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude\" style=\"display:inline-block; padding:10px 16px; background:#0a4; color:#fff; text-decoration:none; border-radius:4px;\"\u003eBrowse All Johnson\/Evinrude\/OMC Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\"\u003e\n  \u003ch2\u003eHow to Identify Your 3.8L–5.7L Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the engine identification plate or decal on the intake manifold, flame arrestor, valve cover, or engine block; the sterndrive tag is on the Cobra upper gearcase or transom bracket.\u003c\/li\u003e\n    \u003cli\u003eRecord the engine model\/serial and the drive model, gear ratio, and rotation (standard or counter‑rotating). This confirms gearcase and propeller compatibility.\u003c\/li\u003e\n    \u003cli\u003eNote whether your package is V6 (3.8L\/4.3L) or V8 (5.0L\/5.7L), and whether it’s carbureted or early EFI\/TBI—this affects ignition and fuel system parts.\u003c\/li\u003e\n    \u003cli\u003eVerify “Cobra” vs “King Cobra.” Most 5.7L packages use standard Cobra lower‑unit components; King Cobra parts differ.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\"\u003e\n  \u003ch2\u003eEngine \u0026amp; Drive Platform Overview\u003c\/h2\u003e\n  \u003ch3\u003eOMC 3.8L \/ 4.3L V6 with Cobra Sterndrive\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; max-width:980px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eV6 gasoline, 4‑stroke, typically carbureted or early EFI, mated to OMC Cobra sterndrive.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eOMC\/Johnson‑Evinrude V6 marine packages (3.8L\/4.3L) with Cobra drives.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGood torque and serviceability; broad availability of ignition, cooling, and gearcase parts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eRaw‑water impeller is in the upper gearcase. Proper shift‑cable and interrupter switch adjustment is critical for smooth engagement.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eOMC 5.0L \/ 5.7L V8 with Cobra Sterndrive\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; max-width:980px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eV8 gasoline, 4‑stroke (GM small‑block), carbureted or early EFI\/TBI, paired with standard OMC Cobra sterndrive.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eOMC\/Johnson‑Evinrude 5.0L\/5.7L V8 marine packages with Cobra drives.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eStrong mid‑range torque, widely supported components, and straightforward gearcase service.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse standard Cobra lower‑unit components (not King Cobra). Water‑pump impeller resides in the upper gearcase; inspect shift‑interrupt system during linkage service.\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\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for recreational use. Always refer to your engine’s official service manual and adjust based on operating conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; max-width:980px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEngine oil \u0026amp; filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse marine‑rated oil; replace the filter at each oil change.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-service-maintenance-kits\"\u003eJohnson\/Evinrude\/OMC Service \u0026amp; Maintenance Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hrs or annually; after submersion\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect for water intrusion (milky oil). Reseal and pressure\/vacuum test if contamination is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-lower-unit-seal-kits\"\u003eJohnson\/Evinrude\/OMC Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect condition and gap; replace fouled or worn plugs.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hrs or annually; sooner with contaminated fuel\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain water traps and replace elements regularly to prevent lean surging.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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;\"\u003eWater‑pump impeller\/kit (upper gearcase)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 2–3 seasons or ~200 hrs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace sooner after sandy\/silty use or any overheat\/weak flow symptoms.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eJohnson\/Evinrude\/OMC Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 50 hrs; replace at ~50% depletion\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch anode material to water type: salt, brackish, or fresh.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eJohnson\/Evinrude\/OMC Anodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eU‑joint \u0026amp; exhaust bellows (inspect)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnnually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCracked bellows allow water intrusion that damages bearings and gears.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bellow\"\u003eBellows\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGimbal bearing (inspect\/service)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnnually; replace if noisy\/rough\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGrease per schedule; replace if vibration or rumble persists.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-bearing\"\u003eJohnson\/Evinrude\/OMC Bearings\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\"\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\"\u003eService \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\/starters\"\u003eStarters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \u0026amp; Seals – \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\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hardware – \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; max-width:980px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eOverheat alarm \/ weak water flow\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect seawater intake screens, upper‑gearcase impeller, and thermostat; verify hose routing and no kinks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater‑pump kit, thermostat, intake screen\/gaskets, hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard shifting or stalls on shift\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm idle speed, check shift‑cable adjustment, and verify shift‑interrupter switch function.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eShift cable, interrupter switch, detent parts, gear oil\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect propeller for damage or incorrect pitch; replace fuel filter; verify ignition timing and plug condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller, fuel filter, spark plugs, anti‑siphon valve\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise \/ metal in oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain oil to check for water\/metal; pressure\/vacuum test if contamination is present.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSeals, bearings, gears, shim kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify choke\/enrichment, inspect for stale fuel, check plugs and ignition leads; for EFI\/TBI, confirm fuel pressure.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, fuel filter, fuel pump, ignition components\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable across different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eMany engine components are shared across GM‑based 3.8L–5.7L marine packages, but sterndrive and gearcase parts vary by year and drive model. Most 5.7L applications use standard Cobra components, not King Cobra. Always confirm engine and drive model\/serial.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the raw‑water impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a preventative measure, replace the impeller every 2–3 seasons or about 200 hours. Shorten the interval for sandy\/silty or high‑temperature operation, or replace immediately after any overheat or weak water‑flow event.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the lower‑unit gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange gear oil at least every 100 hours or annually, and any time water intrusion is suspected (milky oil), after an impact, or prior to winterization. Pressure\/vacuum test the gearcase if contamination is found.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide engine model and serial numbers, sterndrive model (Cobra), gear ratio, rotation (standard or counter‑rotating), and approximate model year. Clear photos of the nameplate and the part needing replacement are also helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border-top:1px solid #e5e5e5;\"\u003e\n  \u003cp\u003eReady to find the right components? Browse the main Johnson\/Evinrude\/OMC collection and refine by displacement, year, and model to locate compatible parts for your OMC 4‑Stroke 3.8L–5.7L engine.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude\" style=\"display:inline-block; margin-top:8px; padding:10px 16px; background:#0a4; color:#fff; text-decoration:none; border-radius:4px;\"\u003eShop the Johnson\/Evinrude\/OMC Collection\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; color:#555;\"\u003eIf you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"power-steering-v-belt-fits-volvo-penta-omc-3-8l-5-7l-engines-replaces-3852464","title":"Marine V-Belt for Volvo Penta and OMC 4.3L, 5.0L and 5.7L Engines – Replaces 3852464","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 marine V-belt is designed for selected Volvo Penta stern-drive and OMC Cobra stern-drive applications. It is used as a power-steering belt on compatible gasoline engines and is supplied as one individual belt.\u003c\/p\u003e\n  \u003cp\u003eThe belt is listed for selected Volvo Penta 4.3 GL, 4.3 GS, 4.3 Gi, 5.0 GL BY\/PJX\/WT\/EF and 5.7 GL BY\/WT\/EF applications. OMC applications include selected 3.8L V6, 4.3L V6, 5.0L V8 and 5.7L V8 engines, including King Cobra configurations. Confirm the exact engine model, year and belt reference before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eMarine V-belt for compatible stern-drive and out-drive systems.\u003c\/li\u003e\n    \u003cli\u003ePower-steering belt application where specified by the engine configuration.\u003c\/li\u003e\n    \u003cli\u003eAftermarket replacement for the listed OEM and Sierra references.\u003c\/li\u003e\n    \u003cli\u003eOne belt supplied; this is not a multi-piece kit.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse these references to compare the belt with the part removed from your engine. Part-number matching should be combined with model and application verification.\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\u003eReference Type\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\u003eVolvo Penta OEM reference\u003c\/td\u003e\n          \u003ctd\u003e3852464\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta OEM reference\u003c\/td\u003e\n          \u003ctd\u003e315769\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC OEM reference\u003c\/td\u003e\n          \u003ctd\u003e908929\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra aftermarket reference\u003c\/td\u003e\n          \u003ctd\u003e18-15455\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 company fitment information identifies the following applications. Fitment can vary by drive package, pulley arrangement and production year, so compare the original belt and the complete engine identification before installation.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand \/ Drive\u003c\/th\u003e\n          \u003cth\u003eEngine or Model\u003c\/th\u003e\n          \u003cth\u003eConfiguration\u003c\/th\u003e\n          \u003cth\u003eYear or Condition\u003c\/th\u003e\n          \u003cth\u003eListed Reference\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta stern \/ out-drive\u003c\/td\u003e\n          \u003ctd\u003e4.3 GL, 4.3 GS, 4.3 Gi\u003c\/td\u003e\n          \u003ctd\u003e4.3L gasoline V6\u003c\/td\u003e\n          \u003ctd\u003eVerify exact model and pulley arrangement\u003c\/td\u003e\n          \u003ctd\u003e3852464\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta stern \/ out-drive\u003c\/td\u003e\n          \u003ctd\u003e5.0 GL BY, PJX, WT and EF\u003c\/td\u003e\n          \u003ctd\u003e5.0L gasoline V8\u003c\/td\u003e\n          \u003ctd\u003eVerify exact model and pulley arrangement\u003c\/td\u003e\n          \u003ctd\u003e3852464\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta stern \/ out-drive\u003c\/td\u003e\n          \u003ctd\u003e5.7 GL BY, WT and EF\u003c\/td\u003e\n          \u003ctd\u003e5.7L gasoline V8\u003c\/td\u003e\n          \u003ctd\u003eVerify exact model and pulley arrangement\u003c\/td\u003e\n          \u003ctd\u003e3852464\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC Cobra stern \/ out-drive\u003c\/td\u003e\n          \u003ctd\u003e3.8L V6 \/ 229 CID\u003c\/td\u003e\n          \u003ctd\u003eGasoline V6\u003c\/td\u003e\n          \u003ctd\u003e1982–1986 listings\u003c\/td\u003e\n          \u003ctd\u003e908929\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC Cobra stern \/ out-drive\u003c\/td\u003e\n          \u003ctd\u003e4.3L V6 \/ 262 CID\u003c\/td\u003e\n          \u003ctd\u003eGasoline V6\u003c\/td\u003e\n          \u003ctd\u003e1982–1989 listings\u003c\/td\u003e\n          \u003ctd\u003e908929\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC Cobra stern \/ out-drive\u003c\/td\u003e\n          \u003ctd\u003e5.0L V8 \/ 305 CID\u003c\/td\u003e\n          \u003ctd\u003eGasoline V8\u003c\/td\u003e\n          \u003ctd\u003e1982–1987 listings\u003c\/td\u003e\n          \u003ctd\u003e908929\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC Cobra stern \/ out-drive\u003c\/td\u003e\n          \u003ctd\u003e5.7L V8 \/ 350 CID\u003c\/td\u003e\n          \u003ctd\u003eGasoline V8\u003c\/td\u003e\n          \u003ctd\u003e1982–1990 listings; includes a 1988 King Cobra listing\u003c\/td\u003e\n          \u003ctd\u003e908929\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC Cobra stern \/ out-drive\u003c\/td\u003e\n          \u003ctd\u003e262, 305, 350 and 454 applications\u003c\/td\u003e\n          \u003ctd\u003eGasoline V6\/V8\u003c\/td\u003e\n          \u003ctd\u003eConfirm exact engine and belt routing\u003c\/td\u003e\n          \u003ctd\u003e0778030 listed by company\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\u003eMarine V-belt \/ power-steering belt\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eSelected Volvo Penta and OMC Cobra stern-drive or out-drive systems\u003c\/dd\u003e\n    \u003cdt\u003eDrive Type\u003c\/dt\u003e\n    \u003cdd\u003eV-belt pulley drive\u003c\/dd\u003e\n    \u003cdt\u003eQuantity\u003c\/dt\u003e\n    \u003cdd\u003eOne belt\u003c\/dd\u003e\n    \u003cdt\u003eAftermarket Reference\u003c\/dt\u003e\n    \u003cdd\u003eSierra 18-15455\u003c\/dd\u003e\n    \u003cdt\u003eOEM References\u003c\/dt\u003e\n    \u003cdd\u003e3852464, 315769 and 908929\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1\u003c\/span\u003e x Marine V-belt \/ power-steering belt\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and allow the engine to cool before beginning work.\u003c\/li\u003e\n    \u003cli\u003eLocate the belt and inspect the pulley arrangement, belt routing and tensioning method.\u003c\/li\u003e\n    \u003cli\u003eLoosen the appropriate adjustment bolt or tensioning hardware.\u003c\/li\u003e\n    \u003cli\u003eRemove the old belt from all pulleys without forcing it over the pulley edges.\u003c\/li\u003e\n    \u003cli\u003eRoute the replacement belt exactly as shown in the engine or drive service manual.\u003c\/li\u003e\n    \u003cli\u003eMake sure the belt is fully seated in each V-groove and is not twisted.\u003c\/li\u003e\n    \u003cli\u003eSet belt tension to the engine manufacturer's specification. Do not over-tension.\u003c\/li\u003e\n    \u003cli\u003eTighten the adjustment hardware, reconnect the battery and run the engine briefly.\u003c\/li\u003e\n    \u003cli\u003eStop the engine and recheck belt alignment, tension and unusual noise before returning the boat to service.\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 the right one for my engine?\u003c\/summary\u003e\n    \u003cp\u003eCompare the belt's reference number and physical profile with the original belt, then verify the complete engine and drive model against the compatibility information. The listed references include Volvo Penta 3852464 and 315769, OMC 908929, and Sierra 18-15455.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a worn power-steering belt?\u003c\/summary\u003e\n    \u003cp\u003eSquealing, slipping, visible cracking, glazing, fraying, belt dust, reduced steering assistance or a belt that repeatedly loses tension can indicate wear or an alignment problem. Inspect the pulleys and tensioning hardware as well as the belt.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this product include a pulley, tensioner or other hardware?\u003c\/summary\u003e\n    \u003cp\u003eNo. This listing is for one replacement marine V-belt only. Pulleys, tensioners and installation hardware are not included.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat should I check before ordering?\u003c\/summary\u003e\n    \u003cp\u003eCheck the engine brand, exact model, drive package, production year where applicable, original belt markings and routing. Do not rely on engine displacement alone because pulley configurations can differ.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eDisconnect the battery before service and keep hands, clothing and tools away from moving pulleys during testing.\u003c\/li\u003e\n    \u003cli\u003eVerify the belt reference, profile and routing against your original component and service manual.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement and is not manufactured by Volvo Penta, OMC or Sierra.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended if the correct routing or belt tension cannot be confirmed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply replacement components for inboard and stern-drive applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Cataloging\u003c\/strong\u003e — Product information is organized around engine, drive and reference-number compatibility.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePractical Support\u003c\/strong\u003e — Confirm the original part number and complete engine identification before ordering or installing.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718267212091,"sku":"23BL227","price":25.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23BL2273852464VBelt_1_655602fd-8689-436c-a72a-2217df7457a3.jpg?v=1762958580"}],"url":"https:\/\/seasierra.com\/collections\/omc-4-stroke-3-8l-5-7l-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}