{"product_id":"v-belt-fits-volvo-penta-mercruiser-omc-110-160hp-replaces-966382-57-64416-912509","title":"V-Belt – Fits Volvo Penta, Mercruiser, OMC 110-160HP (Replaces 966382, 57-64416, 912509)","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\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\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis high-performance alternator \u003cstrong\u003eV-Belt – Fits Volvo Penta, Mercruiser, OMC 110-160HP\u003c\/strong\u003e is designed for a wide range of marine engines from the late 1970s to the early 1990s. It fits Volvo Penta AQ series (120–171) and D series engines (D30–D41), Mercruiser 2.3L 140HP models, and OMC 888 2.3L engines.\u003c\/p\u003e\n  \u003cp\u003eThis belt is a direct cross-reference for multiple OEM and aftermarket part numbers, including Volvo Penta 966382, Mercruiser 57-64416, OMC 912509, and Sierra 18-15435, ensuring broad compatibility.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eEngineered for use with 50 ampere AC-alternators.\u003c\/li\u003e\n    \u003cli\u003eInstallation requires manual tensioning for proper fit and performance.\u003c\/li\u003e\n    \u003cli\u003eDesigned to operate within a pulley drive system.\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\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\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        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003e958314\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003e958359\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003e966382\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003e966978\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercruiser\u003c\/td\u003e\n          \u003ctd\u003e57-44206\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercruiser\u003c\/td\u003e\n          \u003ctd\u003e57-49211\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercruiser\u003c\/td\u003e\n          \u003ctd\u003e57-64416\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC\u003c\/td\u003e\n          \u003ctd\u003e912509\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC\u003c\/td\u003e\n          \u003ctd\u003e0912509\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-15435\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\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n  \u003cp\u003eFor Volvo Penta engines, this belt is compatible with a wide range of AQ, D, MD, and TAMD\/TMD series models produced from the late 1970s through the early 1990s.\u003c\/p\u003e\n  \u003cp\u003eFor Mercruiser, it fits specific 2.3L 140HP models from 1987 to 1990.\u003c\/p\u003e\n  \u003cp\u003eFor OMC, this belt is used on 888 2.3L engines manufactured between 1984 and 1990.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eModel\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eYears\u003c\/th\u003e\n          \u003cth\u003eOEM Part No.\u003c\/th\u003e\n          \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eAQ120\u003c\/td\u003e\n          \u003ctd\u003e120\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–1980s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eAQ125A, AQ125B\u003c\/td\u003e\n          \u003ctd\u003e125\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–1980s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eAQ131A, AQ131B, AQ131C, AQ131D\u003c\/td\u003e\n          \u003ctd\u003e131\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–1980s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eAQ145A, AQ145B\u003c\/td\u003e\n          \u003ctd\u003e145\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–1980s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eAQ151A, AQ151B, AQ151C\u003c\/td\u003e\n          \u003ctd\u003e151\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–1980s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eAQ171A, AQ171C\u003c\/td\u003e\n          \u003ctd\u003e171\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–1980s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eD30, D31, AD31A, AD31D, AD31L-A, AD31P-A, AD31XD\u003c\/td\u003e\n          \u003ctd\u003e120–160\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–Early 1990s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eMD22A, MD22LA\u003c\/td\u003e\n          \u003ctd\u003e110–130\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1980s–1990s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eTAMD30A, TMD30A, TAMD31A, TAMD31B, TAMD31D\u003c\/td\u003e\n          \u003ctd\u003e120–160\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–Early 1990s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eD40, D41, AD40B, AD41A, AD41B, AD41D, AD41L-A, AD41P-A\u003c\/td\u003e\n          \u003ctd\u003e140–160\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–Early 1990s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n          \u003ctd\u003eTAMD41A, TAMD41B, TAMD41D, TAMD41H-A, TAMD41L-A, TAMD41M-A, TAMD41P-A\u003c\/td\u003e\n          \u003ctd\u003e140–160\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eLate 1970s–Early 1990s\u003c\/td\u003e\n          \u003ctd\u003e841821\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercruiser\u003c\/td\u003e\n          \u003ctd\u003e2.3L \"4\" 140\u003c\/td\u003e\n          \u003ctd\u003e140\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1987–1990\u003c\/td\u003e\n          \u003ctd\u003e57-64416\u003c\/td\u003e\n          \u003ctd\u003eAlso referenced as 57-49211, 57-44206\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC\u003c\/td\u003e\n          \u003ctd\u003e888 2.3L Engines\u003c\/td\u003e\n          \u003ctd\u003e110–160\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1984–1990\u003c\/td\u003e\n          \u003ctd\u003e912509\u003c\/td\u003e\n          \u003ctd\u003eAlso referenced as 0912509\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\u003eAlternator V-Belt\u003c\/dd\u003e\n    \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eV-Belt\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e1100mm circumference (43 5\/16\")\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e90g (0.2 lb)\u003c\/dd\u003e\n    \u003cdt\u003eBelt Section\u003c\/dt\u003e\n\u003cdd\u003eAW-15\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eFor 50 ampere AC-alternator\u003c\/dd\u003e\n    \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003ePulley drive system\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n    \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1-year against manufacturing defects\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 V-Belt (Replaces 966382\/841821\/57-64416\/912509)\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\u003eEnsure the engine is turned off and cooled completely.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the battery to prevent accidental starting.\u003c\/li\u003e\n    \u003cli\u003eLoosen the alternator pivot bolt and any tensioner bolts.\u003c\/li\u003e\n    \u003cli\u003eNote the existing belt's path around all pulleys.\u003c\/li\u003e\n    \u003cli\u003eRelieve tension by swiveling the alternator or tensioner, then remove the old belt.\u003c\/li\u003e\n    \u003cli\u003eInspect pulley grooves for wear or corrosion; clean if necessary.\u003c\/li\u003e\n    \u003cli\u003eRoute the new belt along the same path, ensuring it is properly seated in all V-grooves.\u003c\/li\u003e\n    \u003cli\u003eTension the new belt to approximately 1 cm (½\") of deflection under thumb pressure at its longest span.\u003c\/li\u003e\n    \u003cli\u003eTighten all adjuster and pivot bolts to factory torque specifications.\u003c\/li\u003e\n    \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n    \u003cli\u003eStart the engine and check that the belt is running smoothly and centered in the pulleys.\u003c\/li\u003e\n    \u003cli\u003eRe-check tension after a short run-in period, as new belts may stretch slightly.\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 know if this V-belt will fit my engine?\u003c\/summary\u003e\n    \u003cp\u003eCheck the Part Number Matrix and Engine Compatibility tables. It is crucial to match your engine model, year, and original part number to ensure a correct fit. This belt is designed for the specific Volvo Penta, Mercruiser, and OMC models listed.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the correct tension for this V-belt?\u003c\/summary\u003e\n    \u003cp\u003eAs a general rule, a properly tensioned V-belt should have about 1 cm (½ inch) of deflection when you press firmly on the longest span between pulleys. Over-tightening can damage bearings, while a loose belt will slip, squeal, and wear out prematurely.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I replace my alternator belt?\u003c\/summary\u003e\n    \u003cp\u003eWe recommend inspecting your V-belt annually for cracks, fraying, or glazing. To prevent unexpected failure, you should plan to replace it every 3–5 years or according to your engine manufacturer's service schedule, whichever comes first.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a failing V-belt?\u003c\/summary\u003e\n    \u003cp\u003eCommon symptoms include a high-pitched squealing noise (especially on startup or under load), visible cracks or fraying, a polished or glazed appearance on the belt's sides, or alternator charging issues indicated by a battery warning light.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n    \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n    \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n    \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\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 images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended for safety and performance.\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\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718260920635,"sku":"23BL249","price":25.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23BL2491.jpg?v=1762958308","url":"https:\/\/seasierra.com\/products\/v-belt-fits-volvo-penta-mercruiser-omc-110-160hp-replaces-966382-57-64416-912509","provider":"SeaSierra","version":"1.0","type":"link"}