{"product_id":"v-belt-sea-water-pump-fits-mercruiser-volvo-penta-4-3l-5-0l-5-7l-7-4l-8-2l-replaces-57-13457t-3853368","title":"V-Belt (Sea Water Pump) – Fits MerCruiser, Volvo Penta 4.3L, 5.0L, 5.7L, 7.4L, 8.2L (Replaces 57-13457T, 3853368)","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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003eV-Belt (Sea Water Pump)\u003c\/strong\u003e is designed for a reliable fit on a wide range of MerCruiser and Volvo Penta engines. It is compatible with MerCruiser 4.3L V6, 5.0L V8, 5.7L V8, 7.4L V8, and 8.2L V8 models manufactured between 1981 and 1997, where it drives the seawater pump. It also fits various Volvo Penta 4.3L, 5.0L, 5.7L, 7.4L, and 8.2L engines equipped with V-belt systems.\u003c\/p\u003e\n\u003cp\u003eThis belt is a direct interchange for Mercury part numbers 57-13457T and 13457Q, Volvo Penta 3853368, Sierra 18-15290, and JLM Marine 57-13457.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Designed for the sea water pump drive on most compatible engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Mounts to the external engine accessory drive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Constructed from durable rubber with fiber reinforcement for longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\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 Cross-Reference\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eSuperseded By\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\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e57-13457T\u003c\/td\u003e\n\u003ctd\u003e13457Q\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e13457Q\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent OEM part number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e3853368\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-15290\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eAftermarket Interchange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJLM Marine\u003c\/td\u003e\n\u003ctd\u003e57-13457\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eAftermarket Interchange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model and year in the table below to ensure fitment. Because models can vary, we recommend comparing your old part to our images and specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor MerCruiser applications:\u003c\/strong\u003e This belt is typically used for the seawater pump drive. Please verify your engine model and serial number range (where provided) for an exact match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor Volvo Penta applications:\u003c\/strong\u003e This belt is commonly used for the alternator or power steering pump, depending on the specific model. Visual confirmation against your existing belt is recommended.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3L (GEN II) (2 BBL.) GM 262 V-6\u003c\/td\u003e\n\u003ctd\u003e180\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0F601127 THRU 0F802999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3LX (GEN II) (4 BBL.) GM 262 V-6\u003c\/td\u003e\n\u003ctd\u003e190\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0F601127 THRU 0F802999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e230 MIE (4 BBL.) GM 305 V-8\u003c\/td\u003e\n\u003ctd\u003e230\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–1995\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B522506 THRU 0B788151\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e260 MIE GM 350 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B522506 THRU 0B788196\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.0L MIE (4 BBL.) GM 305 V-8\u003c\/td\u003e\n\u003ctd\u003e230\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–1995\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B522506 THRU 0B788151\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L MIE GM 350 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1993\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B788197 THRU 0F024999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L MIE GM 350 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994–1995\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0F025000 THRU 0F622099\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L MIE GM 350 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994–1995\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0F622151 THRU 0F746099\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L MIE GM 350 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0F622100 THRU 0F622150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L MIE GM 350 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0F746100 THRU 0K040306\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e7.4L MIE MPI (LH) GEN. VI GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e310\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–1997\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0F820104 THRU 0K999999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e340 MIE W\/B\/W GM 454 V-8\u003c\/td\u003e\n\u003ctd\u003e340\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1981–1987\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e5889914 THRU 0B788365\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.2L MIE MPI (LH) GEN. VI GM 502 V-8\u003c\/td\u003e\n\u003ctd\u003e385\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–1997\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0F819620 THRU 0K999999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e200 (2 BBL.) GM 305 V-8\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B525982 THRU 0B774444\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e230 (4 BBL.) GM 305 V-8\u003c\/td\u003e\n\u003ctd\u003e230\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B525982 THRU 0B773739\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e260 (4 BBL.) GM 305 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B525982 THRU 0B773739\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350 MAG. ALPHA GM 350 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–1995\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B525982 THRU 0F600999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.0L (2 BBL.) GM 305 V-8\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1995\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B774445 THRU 0F600999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.0LX (4 BBL.) GM 305 V-8\u003c\/td\u003e\n\u003ctd\u003e220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1995\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B773740 THRU 0F600999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L (2 BBL.) GM 350 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0F601000 THRU 0K001526\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e5.7L GM 350 V-8\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1995\u003c\/td\u003e\n\u003ctd\u003e57-13457T\/13457Q\u003c\/td\u003e\n\u003ctd\u003e0B525982 THRU 0F600999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e4.3L Engines\u003c\/td\u003e\n\u003ctd\u003e190–205\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–2014\u003c\/td\u003e\n\u003ctd\u003e3853368\u003c\/td\u003e\n\u003ctd\u003eAlternator drive belt on various models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.0L Engines\u003c\/td\u003e\n\u003ctd\u003e220–270\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1983–1995\u003c\/td\u003e\n\u003ctd\u003e3853368\u003c\/td\u003e\n\u003ctd\u003eAlternator drive belt on various models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e5.7L Engines\u003c\/td\u003e\n\u003ctd\u003e260–300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2000\u003c\/td\u003e\n\u003ctd\u003e3853368\u003c\/td\u003e\n\u003ctd\u003eAlternator drive belt on various models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e7.4L Engines\u003c\/td\u003e\n\u003ctd\u003e310–340\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1981–1995\u003c\/td\u003e\n\u003ctd\u003e3853368\u003c\/td\u003e\n\u003ctd\u003ePower steering belt on various models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e8.2L Engines\u003c\/td\u003e\n\u003ctd\u003e380–420\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990–1997\u003c\/td\u003e\n\u003ctd\u003e3853368\u003c\/td\u003e\n\u003ctd\u003ePower steering belt on various models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eV-Belt (Sea Water Pump Drive Belt)\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eExternal Engine Accessory Drive\u003c\/dd\u003e\n\u003cdt\u003eEffective Length\u003c\/dt\u003e\n\u003cdd\u003e29.64 inches (753 mm)\u003c\/dd\u003e\n\u003cdt\u003eTop Width\u003c\/dt\u003e\n\u003cdd\u003e0.5 inches (13 mm)\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSea Water Pump Drive on Most Applications\u003c\/dd\u003e\n\u003cdt\u003eBelt Type\u003c\/dt\u003e\n\u003cdd\u003eV-Belt\u003c\/dd\u003e\n\u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eRubber with Fiber Reinforcement\u003c\/dd\u003e\n\u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n\u003cdt\u003eOperating Temperature\u003c\/dt\u003e\n\u003cdd\u003e-40°C to 118°C (-40°F to 244°F)\u003c\/dd\u003e\n\u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 Year (Aftermarket)\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e V-Belt (Replaces 57-13457T\/13457Q, 3853368)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Disconnect the battery and ensure the engine is cool before beginning work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelease Tension:\u003c\/strong\u003e Locate the belt tensioner for the old belt. Loosen the tensioner pulley bolt or use a breaker bar to release the tension on the belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove Old Belt:\u003c\/strong\u003e Carefully slide the old V-belt off the pulleys. Note the routing path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify Fitment:\u003c\/strong\u003e Compare the new belt with the old one to confirm the length and width match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall New Belt:\u003c\/strong\u003e Route the new belt around the pulleys, following the correct path. Ensure it is properly seated in all pulley grooves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply Tension:\u003c\/strong\u003e Re-engage the tensioner to apply the correct tension to the new belt. Consult your engine's service manual for specific tension values (typically, about 1\/2 inch of deflection).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Checks:\u003c\/strong\u003e Once tensioned, tighten any bolts you loosened. Reconnect the battery and briefly start the engine to check for proper belt tracking and listen for any unusual noises.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I know if this is the right belt for my engine?\u003c\/summary\u003e\n\u003cp\u003eThe best way is to confirm your engine model and year are listed in our compatibility table. Additionally, you can cross-reference your existing belt's part number with the ones listed in our Part Number Matrix. Visually comparing the length and width to the technical specs is also a a good final check.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the signs of a failing water pump V-belt?\u003c\/summary\u003e\n\u003cp\u003eCommon signs include high-pitched squealing noises (especially on startup), visible cracks or fraying on the belt's surface, a glazed or shiny appearance on the sides, or a noticeable loss of tension. An overheating engine can also be a symptom of a failed or slipping sea water pump belt.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow often should I replace my engine's V-belts?\u003c\/summary\u003e\n\u003cp\u003eThere is no fixed interval, as it depends on engine hours, operating conditions, and exposure to the elements. We recommend a thorough visual inspection at least once a year and proactive replacement every 3-5 years or whenever signs of wear become apparent.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this belt different from an automotive V-belt?\u003c\/summary\u003e\n\u003cp\u003eYes. While they may look similar, marine-grade belts are constructed with materials designed to withstand the harsh marine environment, including exposure to water, salt, oil, and higher under-cowling temperatures. Using an automotive belt can lead to premature failure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between a V-Belt and a serpentine belt?\u003c\/summary\u003e\n\u003cp\u003eThis is a V-Belt, which has a classic trapezoidal (V-shaped) profile and typically drives one or two accessories. A serpentine belt is a flat, multi-ribbed belt that \"snakes\" its way around many pulleys to power multiple accessories at once. They are not interchangeable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eMy engine model isn't listed, but the part number matches. Will it fit?\u003c\/summary\u003e\n\u003cp\u003eIf your engine's service manual specifies a part number that matches a cross-reference in our Part Number Matrix (like 57-13457T or 3853368), it is very likely the correct part. However, we always recommend verifying the physical dimensions (length and width) against your old belt before installation.\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\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\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":50723789340987,"sku":"23BL349","price":10.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23BL349_1_1d3642b7-121f-4ee6-9242-d907f1162b50.jpg?v=1763031809","url":"https:\/\/seasierra.com\/products\/v-belt-sea-water-pump-fits-mercruiser-volvo-penta-4-3l-5-0l-5-7l-7-4l-8-2l-replaces-57-13457t-3853368","provider":"SeaSierra","version":"1.0","type":"link"}