{"title":"Ford 4-Stroke 5.0L Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is for Ford 4‑Stroke 5.0L marine engines. Use it to quickly find compatible parts and service information, including maintenance tips, frequently replaced components, and troubleshooting guidance. You can also browse broader parts collections by category. Scroll to the bottom of the page to start browsing parts for this engine, and remember you can use the “Filter \u0026amp; Sort” controls on the collection page to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block; padding:10px 16px; background:#0ea5e9; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 5.0L Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate\/serial tag: Look on the flame arrestor cover, valve\/rocker cover decal, or bellhousing\/transom assembly. Record the full model designation and serial number.\u003c\/li\u003e\n    \u003cli\u003eFuel system type: Note whether the engine is carbureted or EFI. Many ignition, fuel, and sensor parts differ between carb and EFI versions.\u003c\/li\u003e\n    \u003cli\u003eBelt setup: Older 5.0L packages may use V‑belts; later engines often use a serpentine (poly‑V) belt with an automatic tensioner. Order belts\/tensioners to match your configuration.\u003c\/li\u003e\n    \u003cli\u003eDrive type: Parts for the gearcase\/sterndrive (SX\/Alpha\/DP, etc.) are specific to the drive model and gear ratio; engine serials help match the correct seals and anodes.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eEngine Platform Overview\u003c\/h2\u003e\n  \u003ch3\u003e5.0L Carbureted V8\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; max-width:900px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFord 302 cu in (5.0L) V8, 4‑stroke, carbureted fuel system with marine ignition protection.\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;\"\u003e5.0L carbureted inboard\/sterndrive packages used across various marinizer brands.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSimple, proven design; easier field service; broad availability of tune‑up 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;\"\u003eIgnition, fuel, and cooling components must match the exact carburetor and pump setup. Verify belt type (V‑belt vs serpentine).\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003e5.0L EFI V8\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; max-width:900px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFord‑based 5.0L V8, 4‑stroke, multi‑point electronic fuel injection with marine ECM and sensors.\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;\"\u003e5.0L EFI inboard\/sterndrive variants; sensor suites and harness connectors vary by year.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eImproved cold start, efficiency, and mid‑range response; better altitude\/temperature compensation.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch sensors (MAP, CTS, TPS, IAC), fuel components, and ignition parts to the engine serial. Cooling and exhaust components are marinizer‑specific.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow the official service manual and adjust for your environment (saltwater, heavy use, storage).\u003c\/p\u003e\n  \u003ctable style=\"width:100%; max-width:1000px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEngine oil \u0026amp; filter (4‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWarm engine before draining. Replace the filter at each change; use marine‑rated oil and filter.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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;\"\u003eGear oil (sterndrive lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect for water intrusion and metal. Replace sealing washers on drain\/fill screws.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/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;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect 100 hours; replace 200–300 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGap to spec; choose plugs rated for marine ignition and your fuel system (carb vs EFI).\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;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain water bowls regularly. Replace elements if contaminated or after storage.\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;\"\u003eRaw‑water pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 2 seasons or ~200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace proactively to prevent overheating; inspect pump housing, wear plate, and key.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes (corrosion protection)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 50 hours; replace at ~50% depletion\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse zinc (salt), aluminum (brackish), or magnesium (fresh) to match your water type.\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      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSerpentine\/drive belt\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect 100 hours; replace ~300 hours or if cracked\/noisy\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck tensioner and idlers; belt dust or squeal indicates slip or misalignment.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/belt\"\u003eBelts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eThermostat \u0026amp; cooling checks\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect annually; replace 2–3 seasons\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMonitor operating temperature and warm‑up time; replace if sticking or corroded.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pumps\"\u003eCooling System Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eRoutine Service\u003c\/a\u003e – consolidated kits for periodic maintenance\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pumps\"\u003eCooling System\u003c\/a\u003e – raw‑water pumps, housings, thermostats, and fittings\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel System\u003c\/a\u003e – filters, separators, and related components\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eIgnition \/ Electrical\u003c\/a\u003e – ignition and charging components\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eCorrosion Protection\u003c\/a\u003e – anodes for engine and drive\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/seasierra.com\/collections\/belt\"\u003eBelts \u0026amp; Tensioners\u003c\/a\u003e – serpentine and V‑belts\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/seasierra.com\/collections\/manifolds\"\u003eExhaust \u0026amp; Manifolds\u003c\/a\u003e – manifolds, risers, and elbows\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; max-width:1000px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eOverheating or weak cooling flow at idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect raw‑water impeller, sea strainer, intake screens, and thermostat; verify belt tension driving the pump.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump impeller kit, thermostat, belts, hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck fuel quality, water separator, anti‑siphon valve, and ignition (plugs\/wires); confirm throttle and timing\/ECM inputs.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel filter, fuel pump, spark plugs, ignition components, sensors\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify battery voltage and clean grounds; inspect IAC\/idle circuit (EFI) or choke (carb); check for vacuum leaks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eStarter, alternator, IAC\/CTS sensors, gaskets\/hoses, carburetor components\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;\"\u003eVerify oil level\/condition; check for water intrusion at prop‑shaft seals; inspect for fishing line on the prop hub.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, bearings, prop‑shaft seals, gear lube and sealing washers\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\u003eMany service items are shared, but fuel system components, ignition parts, sensors, and some cooling\/exhaust pieces vary by year and whether the engine is carbureted or EFI. Always match to the model and serial numbers.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eA common guideline is every two seasons or about 200 hours, sooner for sandy\/silty water or warm saltwater use. Replace immediately if you see reduced flow or any overheat history.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change sterndrive gear oil?\u003c\/summary\u003e\n    \u003cp\u003eTypically every 100 hours or annually. Inspect for milky oil or metal debris and replace sealing washers on the drain\/fill screws during service.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the engine serial number, fuel system type (carb or EFI), drive model and ratio (if applicable), and your boat’s year. Photos of the nameplate and the part you’re replacing are very helpful.\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 service your Ford 5.0L? Browse maintenance and system categories to locate parts by model and year.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block; padding:10px 16px; background:#0ea5e9; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Service \u0026amp; Maintenance Kits\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-ford-460-7-5l-v8-replaces-829207-48120a1","title":"V-Belt for MerCruiser 4.3L, 5.0L \u0026 5.7L Engines – Replaces 57-48120, 57-48120A1, 57-48120Q1","description":"\u003csection\u003e\n\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\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003eV-belt\u003c\/strong\u003e is listed for selected MerCruiser stern-drive and out-drive applications using 4.3L, 5.0L, and 5.7L engines. It is also listed for selected Volvo Penta diesel and OMC Cobra stern-drive applications. The belt is supplied as a single replacement belt, not as a kit.\u003c\/p\u003e\n\u003cp\u003eThe company catalog lists this belt as a 46-length V-belt and identifies the following manufacturer and aftermarket reference numbers. Always compare the number on your existing belt and confirm the complete engine application before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProduct type: Marine V-belt\u003c\/li\u003e\n  \u003cli\u003eApplication: Stern-drive and out-drive engine accessory drive\u003c\/li\u003e\n  \u003cli\u003eListed belt length: 46\u003c\/li\u003e\n  \u003cli\u003ePackage type: Single replacement belt\u003c\/li\u003e\n  \u003cli\u003eAftermarket references: Sierra 18-15460; Mallory Marine 9-55002\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following references are listed for this belt. They are provided for identification and cross-reference purposes only; verify the application and belt dimensions before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand or source\u003c\/th\u003e\n        \u003cth\u003eReference numbers\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\u003e57-48120, 57-48120A1, 57-48120Q1, 48120, 48120A1, 48120Q1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e829207, 950818, 958316, 966920\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC Cobra\u003c\/td\u003e\n        \u003ctd\u003e0310953, 0509293, 0909971, 310953, 509293, 909971\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra Marine\u003c\/td\u003e\n        \u003ctd\u003e18-15460\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory Marine\u003c\/td\u003e\n        \u003ctd\u003e9-55002\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\u003eFitment below follows the company catalog entries for this belt. Engine model, accessories, power-steering configuration, and production details must be checked together.\u003c\/p\u003e\n\n\u003ch3\u003eMerCruiser Stern-Drive and Out-Drive Applications\u003c\/h3\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\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eEngine application\u003c\/th\u003e\n        \u003cth\u003eReference numbers\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\u003e4.3L\u003c\/td\u003e\n        \u003ctd\u003e57-48120, 57-48120A1, 57-48120Q1, 48120, 48120A1, 48120Q1\u003c\/td\u003e\n        \u003ctd\u003eCatalog-listed MerCruiser stern-drive\/out-drive application\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\u003e57-48120, 57-48120A1, 57-48120Q1, 48120, 48120A1, 48120Q1\u003c\/td\u003e\n        \u003ctd\u003eCatalog-listed MerCruiser stern-drive\/out-drive application\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\u003e57-48120, 57-48120A1, 57-48120Q1, 48120, 48120A1, 48120Q1\u003c\/td\u003e\n        \u003ctd\u003eCatalog-listed MerCruiser stern-drive\/out-drive 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 Diesel Applications\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\u003eEngine model\u003c\/th\u003e\n        \u003cth\u003eAccessory application\u003c\/th\u003e\n        \u003cth\u003eReference numbers\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\u003eMD21A\u003c\/td\u003e\n        \u003ctd\u003eWater pump and alternator\u003c\/td\u003e\n        \u003ctd\u003e829207\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eMD21B\u003c\/td\u003e\n        \u003ctd\u003eWater pump and alternator\u003c\/td\u003e\n        \u003ctd\u003e829207\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eAQD21A \/ AQD21B\u003c\/td\u003e\n        \u003ctd\u003eListed with the MD21A\/MD21B application\u003c\/td\u003e\n        \u003ctd\u003e829207, 950818, 958316, 966920\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eOMC Cobra Stern-Drive 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 application\u003c\/th\u003e\n        \u003cth\u003eYear or condition listed\u003c\/th\u003e\n        \u003cth\u003eAccessory configuration\u003c\/th\u003e\n        \u003cth\u003eReference number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e140\u003c\/td\u003e\n        \u003ctd\u003eAll listed\u003c\/td\u003e\n        \u003ctd\u003eWater pump and alternator\u003c\/td\u003e\n        \u003ctd\u003e310953\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e185\u003c\/td\u003e\n        \u003ctd\u003e1978–1984\u003c\/td\u003e\n        \u003ctd\u003eWater pump, alternator, and drive-hydraulic power steering configurations as catalog-listed\u003c\/td\u003e\n        \u003ctd\u003e909971\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e200\u003c\/td\u003e\n        \u003ctd\u003e1979–1981\u003c\/td\u003e\n        \u003ctd\u003eWater pump, alternator, and drive-hydraulic power steering configurations as catalog-listed\u003c\/td\u003e\n        \u003ctd\u003e909971\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e230 \/ 260\u003c\/td\u003e\n        \u003ctd\u003e1979–1981\u003c\/td\u003e\n        \u003ctd\u003eWater pump, alternator, and drive-hydraulic power steering configurations as catalog-listed\u003c\/td\u003e\n        \u003ctd\u003e909971\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e2.5L\u003c\/td\u003e\n        \u003ctd\u003e1982–1987\u003c\/td\u003e\n        \u003ctd\u003eDrive-hydraulic power steering configuration\u003c\/td\u003e\n        \u003ctd\u003e909971\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e3.0L 181\u003c\/td\u003e\n        \u003ctd\u003e1982–1989\u003c\/td\u003e\n        \u003ctd\u003eDrive-hydraulic power steering configuration\u003c\/td\u003e\n        \u003ctd\u003e909971\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e7.5L V-8 460\u003c\/td\u003e\n        \u003ctd\u003eFrom 1987\u003c\/td\u003e\n        \u003ctd\u003eWater pump and alternator\u003c\/td\u003e\n        \u003ctd\u003e909971\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\u003c\/dd\u003e\n  \u003cdt\u003eInstallation location\u003c\/dt\u003e\n  \u003cdd\u003eExternal engine accessory drive\u003c\/dd\u003e\n  \u003cdt\u003eListed length\u003c\/dt\u003e\n  \u003cdd\u003e46\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected MerCruiser, Volvo Penta, and OMC stern-drive\/out-drive applications\u003c\/dd\u003e\n  \u003cdt\u003ePackage format\u003c\/dt\u003e\n  \u003cdd\u003eSingle 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 x marine V-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 make sure the engine cannot start before servicing the belt.\u003c\/li\u003e\n  \u003cli\u003eConfirm the replacement belt reference and inspect the existing belt routing.\u003c\/li\u003e\n  \u003cli\u003eRelease the appropriate belt tension by loosening the adjustment mechanism or accessory bracket.\u003c\/li\u003e\n  \u003cli\u003eRemove the old belt and inspect the pulleys for wear, damage, contamination, and misalignment.\u003c\/li\u003e\n  \u003cli\u003eInstall the new belt following the engine manufacturer’s routing diagram.\u003c\/li\u003e\n  \u003cli\u003eAdjust belt tension according to the engine service manual. Do not rely on a generic deflection measurement when the manufacturer specifies another procedure.\u003c\/li\u003e\n  \u003cli\u003eTighten the adjustment and mounting hardware, then recheck belt alignment and tension.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery and run the engine briefly while checking belt tracking. Stop immediately if the belt slips, walks off a pulley, or produces abnormal noise.\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 my V-belt is worn?\u003c\/summary\u003e\n  \u003cp\u003eInspect for cracking, glazing, fraying, abnormal wear, contamination, or loss of tension. Squealing or belt movement during operation can also indicate slipping, incorrect tension, pulley misalignment, or a worn pulley.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this belt fit every MerCruiser 4.3L, 5.0L, or 5.7L engine?\u003c\/summary\u003e\n  \u003cp\u003eNo. The company catalog lists the belt for these engine sizes, but accessory configuration and engine-specific changes can affect fit. Match the reference number and belt dimensions with your existing belt and service information before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs the OMC 7.5L V-8 460 application for every year?\u003c\/summary\u003e\n  \u003cp\u003eThe company catalog specifically lists the OMC 7.5L V-8 460 application from 1987. Earlier or otherwise different configurations should not be assumed to fit without matching the reference number and belt routing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this listing include a pulley, tensioner, or additional hardware?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for one replacement V-belt only.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this belt on a non-marine engine?\u003c\/summary\u003e\n  \u003cp\u003eThis product is catalog-listed for marine stern-drive and out-drive applications. Do not assume fitment on a non-marine engine solely because the belt appears physically similar.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I verify before ordering?\u003c\/summary\u003e\n  \u003cp\u003eVerify the engine brand, model, displacement, stern-drive or out-drive configuration, accessory arrangement, belt routing, and the reference number from the old belt or service manual. If any of these details differ, confirm compatibility before purchase.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWork only with the engine stopped, cool, and secured against accidental starting.\u003c\/li\u003e\n  \u003cli\u003eVerify the belt reference, dimensions, routing, and tension requirements for the exact engine configuration.\u003c\/li\u003e\n  \u003cli\u003eDo not operate the engine if the belt is misaligned, loose, damaged, or contacting nearby components.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement belt and is not represented as an original manufacturer part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cp\u003eWe provide marine replacement parts and application information to help you identify the correct service component. Because marine engines can vary by accessory configuration and production change, careful reference-number and application matching is recommended before installation.\u003c\/p\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723970875707,"sku":"23BL230","price":26.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23BL23082920748120A1_48120Q1_57-48120A1BELT_1.jpg?v=1763038814"}],"url":"https:\/\/seasierra.com\/collections\/ford-4-stroke-5-0l-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}