{"product_id":"water-pump-pulley-fits-mercruiser-volvo-penta-v6-v8-engines-replaces-8m0153706-807729t","title":"Water Pump Pulley – Fits MerCruiser\/Volvo Penta V6 \u0026 V8 Engines (Replaces 8M0153706, 807729T)","description":"\u003csection\u003e\n\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\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis replacement \u003cstrong\u003eWater Pump Pulley – Fits MerCruiser\/Volvo Penta V6 \u0026amp; V8 Engines\u003c\/strong\u003e is designed for MerCruiser 4.3L to 8.2L V6 and V8 engines manufactured between 1996 and 2014 with serpentine belt systems. It is also compatible with various Volvo Penta V6 and V8 engines that use the corresponding OEM cross-reference numbers.\u003c\/p\u003e\n\u003cp\u003eThis component is a direct interchange for Mercury\/MerCruiser part numbers 8M0153706, 807729T, and 8M0192199, as well as Volvo Penta numbers 807729 and 807729T.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for serpentine belt drive systems.\u003c\/li\u003e\n\u003cli\u003eApplication is for standard cooling systems only.\u003c\/li\u003e\n\u003cli\u003eConstructed from durable metal for longevity.\u003c\/li\u003e\n\u003c\/ul\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\u003eMercury\/MerCruiser\u003c\/td\u003e\n\u003ctd\u003e8M0153706\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/MerCruiser\u003c\/td\u003e\n\u003ctd\u003e807729T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/MerCruiser\u003c\/td\u003e\n\u003ctd\u003e8M0192199\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e807729\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e807729T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\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 MerCruiser models, this pulley is compatible with a wide range of V6 and V8 engines from 1996–2014 equipped with a serpentine belt.\u003c\/p\u003e\n\u003cp\u003eFor Volvo Penta, compatibility is based on matching the OEM part number 807729 or 807729T, as specific model data varies.\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\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3LX (GEN+)\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2014\u003c\/td\u003e\n\u003ctd\u003e8M0153706\/807729T\u003c\/td\u003e\n\u003ctd\u003eFor serpentine belt systems only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3LXH (GEN+)\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2014\u003c\/td\u003e\n\u003ctd\u003e8M0153706\/807729T\u003c\/td\u003e\n\u003ctd\u003eFor serpentine belt systems only\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\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2014\u003c\/td\u003e\n\u003ctd\u003e8M0153706\/807729T\u003c\/td\u003e\n\u003ctd\u003eFor serpentine belt systems only\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\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2014\u003c\/td\u003e\n\u003ctd\u003e8M0153706\/807729T\u003c\/td\u003e\n\u003ctd\u003eFor serpentine belt systems only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e6.2L\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2014\u003c\/td\u003e\n\u003ctd\u003e8M0153706\/807729T\u003c\/td\u003e\n\u003ctd\u003eFor serpentine belt systems only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e7.4L\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2014\u003c\/td\u003e\n\u003ctd\u003e8M0153706\/807729T\u003c\/td\u003e\n\u003ctd\u003eFor serpentine belt systems only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e8.2L MPI\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2014\u003c\/td\u003e\n\u003ctd\u003e8M0153706\/807729T\u003c\/td\u003e\n\u003ctd\u003eFor serpentine belt systems only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350 MAG MPI DTS\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2014\u003c\/td\u003e\n\u003ctd\u003e8M0153706\/807729T\u003c\/td\u003e\n\u003ctd\u003eFor serpentine belt systems only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3L Alpha 4V EST\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e8M0153706\u003c\/td\u003e\n\u003ctd\u003eSerial No. 1G417302-1G499999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eVarious V6\/V8 models\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e807729\/807729T\u003c\/td\u003e\n\u003ctd\u003eCompatible with the Volvo cross-reference numbers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater Pump Pulley\u003c\/dd\u003e\n\u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eMetal\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eSerpentine belt system\u003c\/dd\u003e\n\u003cdt\u003eDiameter\u003c\/dt\u003e\n\u003cdd\u003e150 mm (5.9 in)\u003c\/dd\u003e\n\u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.62 kg (1.36 lbs)\u003c\/dd\u003e\n\u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eLength: 203 mm (8.00 in), Width: 190.5 mm (7.50 in), Height: 193.5 mm (7.62 in)\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eStandard cooling systems only\u003c\/dd\u003e\n\u003cdt\u003eCompatible With\u003c\/dt\u003e\n\u003cdd\u003eSerpentine belt drive systems\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Water Pump Pulley (8M0153706\/807729T\/8M0192199)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the negative battery terminal to prevent accidental starts.\u003c\/li\u003e\n\u003cli\u003eLocate the serpentine belt tensioner and use a breaker bar or tensioner tool to release the tension, then slip the belt off the water pump pulley.\u003c\/li\u003e\n\u003cli\u003eRemove the bolts securing the old pulley to the water pump flange. You may need to hold the pulley stationary to prevent it from turning.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old pulley. Clean the mounting surface of the water pump flange to ensure a flush fit for the new part.\u003c\/li\u003e\n\u003cli\u003ePosition the new pulley onto the flange, aligning the bolt holes.\u003c\/li\u003e\n\u003cli\u003eThread the bolts by hand to prevent cross-threading, then tighten them in a star pattern to the manufacturer's recommended torque specifications.\u003c\/li\u003e\n\u003cli\u003eReinstall the serpentine belt, ensuring it is correctly routed on all pulleys. Release the tensioner.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery terminal. Start the engine and visually inspect the pulley for smooth, wobble-free operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this pulley fit my engine?\u003c\/summary\u003e\u003cp\u003eThis pulley fits most MerCruiser 4.3L–8.2L V6\/V8 engines (1996–2014) with serpentine belts and Volvo Penta V6\/V8 models using part numbers 807729 or 807729T. Always verify your part number and engine details against our compatibility table to ensure proper fitment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing water pump pulley?\u003c\/summary\u003e\u003cp\u003eCommon signs include a persistent squealing or grinding noise from the engine bay, visible wobble or cracks in the pulley, and potential engine overheating if the water pump's performance is compromised.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this pulley for a V-belt or serpentine system?\u003c\/summary\u003e\u003cp\u003eThis pulley is designed specifically for serpentine belt systems. It is not compatible with older V-belt configurations.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does this differ from the original OEM part?\u003c\/summary\u003e\u003cp\u003eWhile it performs identically to an OEM part, our aftermarket pulley is a cost-effective alternative. It is manufactured from high-quality metal to meet or exceed original factory specifications for fit, form, and function.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat common mistakes should I avoid during installation?\u003c\/summary\u003e\u003cp\u003eAvoid over-tightening the mounting bolts, which can damage the pulley or water pump flange. Ensure the pulley and mounting surface are clean before installation. Finally, double-check that the serpentine belt is routed correctly before starting the engine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials, manufactured in an ISO 9002 facility, and batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact our support team with your order details. Returns are accepted within our standard window for unused items in their original condition. See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images and specifications against 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\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":50717884318011,"sku":"24TP001","price":45.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/24TP001_1.jpg?v=1762937282","url":"https:\/\/seasierra.com\/products\/water-pump-pulley-fits-mercruiser-volvo-penta-v6-v8-engines-replaces-8m0153706-807729t","provider":"SeaSierra","version":"1.0","type":"link"}