{"product_id":"serpentine-belt-fits-mercury-verado-135-400hp-replaces-57-880566q14-880566q14-8m0232583","title":"Serpentine Belt – Fits Mercury Verado 135-400HP (Replaces 57-880566Q14, 880566Q14, 8M0232583)","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 aftermarket \u003cstrong\u003eSerpentine Belt\u003c\/strong\u003e is designed for a precise fit on Mercury Verado 4-stroke engines, covering 4-cylinder models from 135HP to 200HP (2004–present) and 6-cylinder models from 200HP to 400HP. It is a vital component for driving the engine's supercharger and other essential accessories, ensuring reliable performance on the water.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for Mercury OEM part numbers 57-880566Q14, 880566Q14, and 8M0232583, as well as Sierra part 18-15128.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngine-specific replacement ensures proper fit and function.\u003c\/li\u003e\n\u003cli\u003eDrives the supercharger, alternator, and water pump.\u003c\/li\u003e\n\u003cli\u003eRecommended replacement every 300 hours (or 100 for high-performance use).\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\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e880566Q14\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e8M0232583\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-15128\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 Mercury\/Mariner Verado owners, please verify your engine’s serial number (SN) against the ranges listed to ensure perfect fitment. Note the distinction between pre-Gen V and Gen V 6-cylinder models.\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\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 4-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e135\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 1B311420 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 4-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e150\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 1B311420 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 4-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e175\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 1B311420 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 4-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e200\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 1B311420 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e200\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 1B390143-2B144127 (pre-Gen V)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder Gen V\u003c\/td\u003e\n        \u003ctd\u003e200\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2014–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 2B144123 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 1B390143-2B144127 (pre-Gen V)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder Gen V\u003c\/td\u003e\n        \u003ctd\u003e225\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2014–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 2B144123 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 1B390143-2B144127 (pre-Gen V)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder Gen V\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2014–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 2B144123 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e275\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 1B390143-2B144127 (pre-Gen V)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder Gen V\u003c\/td\u003e\n        \u003ctd\u003e275\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2014–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 2B144123 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e300\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2004–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 1B390143-2B144127 (pre-Gen V)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder Gen V\u003c\/td\u003e\n        \u003ctd\u003e300\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2014–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 2B144123 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e350\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2015–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 2B141617 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 6-Cylinder\u003c\/td\u003e\n        \u003ctd\u003e400\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2015–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003eSN 2B141617 \u0026amp; above\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVerado 400R Racing\u003c\/td\u003e\n        \u003ctd\u003e400\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2015–present\u003c\/td\u003e\n        \u003ctd\u003e57-880566Q14\u003c\/td\u003e\n        \u003ctd\u003e100 hour replacement interval recommended\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\u003eSerpentine Belt\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eEngine-specific replacement\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eLength: 394 mm (15.5 in), Width: 95 mm (3.75 in), Height: 25 mm (1 in)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.09 kg (0.2 lb)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003ePulleys: Crankshaft, Water Pump, Alternator, Power Steering (if applicable)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eDrives the engine supercharger and essential accessories; Recommended replacement interval: 300 hours (100 hours for high-demand applications like Mercury Racing 400R)\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\u003e1 x Serpentine Belt (Replaces 57-880566Q14\/880566Q14\/8M0232583)\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 off and cool, then disconnect the battery.\u003c\/li\u003e\n\u003cli\u003eLoosen the alternator pivot bolt and any tensioner bolts.\u003c\/li\u003e\n\u003cli\u003eNote the belt's path around the pulleys before removal.\u003c\/li\u003e\n\u003cli\u003eRelieve tension by swiveling the alternator or tensioner and slip the old belt off.\u003c\/li\u003e\n\u003cli\u003eInspect all pulley grooves for wear or rust and clean them thoroughly.\u003c\/li\u003e\n\u003cli\u003eRoute the new belt along the correct path, ensuring it is seated in all grooves.\u003c\/li\u003e\n\u003cli\u003eApply tension by swiveling the alternator; proper tension allows for about 1 cm (½\") of deflection on the longest span with moderate thumb pressure.\u003c\/li\u003e\n\u003cli\u003eTighten the adjuster-plate bolt first, then the main pivot bolt to factory torque specifications.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery.\u003c\/li\u003e\n\u003cli\u003eStart the engine and briefly run it to check that the belt is tracking smoothly and centered.\u003c\/li\u003e\n\u003cli\u003eShut down the engine and recheck tension, adjusting if necessary as new belts can 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\u003eWhat are the signs of a failing serpentine belt?\u003c\/summary\u003e\n\u003cp\u003eCommon symptoms include visible cracks, fraying, or a glazed, shiny appearance on the belt's surface. You might also hear persistent squealing or chirping noises coming from the engine bay, especially during startup or when accelerating.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow often should I replace this belt?\u003c\/summary\u003e\n\u003cp\u003eThe recommended replacement interval is every 300 hours of standard operation. For high-demand applications, such as on Mercury Racing 400R engines, a more frequent interval of 100 hours is advised to ensure reliability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this belt fit my Verado engine?\u003c\/summary\u003e\n\u003cp\u003eThis belt fits a wide range of Mercury Verado engines from 135HP to 400HP, including 4-cylinder and 6-cylinder models. To guarantee a perfect match, please consult the detailed compatibility table and cross-reference your engine's model, year, and serial number.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the function of this serpentine belt?\u003c\/summary\u003e\n\u003cp\u003eThis belt is a critical component that transfers power from the crankshaft to drive the engine's supercharger and essential accessories, such as the alternator (which charges the battery) and the water pump (which circulates coolant).\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 9001 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\n","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718269309243,"sku":"23BL352","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23BL352_1.jpg?v=1762958665","url":"https:\/\/seasierra.com\/products\/serpentine-belt-fits-mercury-verado-135-400hp-replaces-57-880566q14-880566q14-8m0232583","provider":"SeaSierra","version":"1.0","type":"link"}