{"product_id":"motor-fitting-fits-mercruiser-4-5l-mpi-250-alpha-bravo-replaces-8m0095953-8m0133716","title":"Motor Fitting – Fits MerCruiser 4.5L MPI 250 Alpha Bravo (Replaces 8M0095953, 8M0133716)","description":"\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 Motor Fitting is designed for MerCruiser 4.5L MPI 250 Alpha Bravo stern drive engines. It provides a reliable replacement solution for most Mercury MerCruiser stern drive applications requiring this essential motor component.\u003c\/p\u003e\n\u003cp\u003eThis aftermarket motor fitting directly replaces OEM numbers 8M0095953 and 8M0133716.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit replacement for MerCruiser stern drive systems\u003c\/li\u003e\n  \u003cli\u003eCompatible with 4.5L MPI 250 Alpha Bravo configurations\u003c\/li\u003e\n  \u003cli\u003ePrecision-engineered to match OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\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        \u003cth\u003eNotes\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\u003e8M0095953\u003c\/td\u003e\n        \u003ctd\u003ePrimary OEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n        \u003ctd\u003e8M0133716\u003c\/td\u003e\n        \u003ctd\u003eSuperseding OEM reference\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\u003eConfirm your engine model\/year in the table below.\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\u003eOEM Part No.\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\u003eStern Drive 4.5L MPI 250 Alpha Bravo\u003c\/td\u003e\n        \u003ctd\u003e250\u003c\/td\u003e\n        \u003ctd\u003e8M0095953, 8M0133716\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\u003ePart Type\u003c\/dt\u003e\n  \u003cdd\u003eMotor Fitting\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eMarine Stern Drive Engine\u003c\/dd\u003e\n  \u003cdt\u003eEngine Compatibility\u003c\/dt\u003e\n  \u003cdd\u003eMerCruiser 4.5L MPI 250 Alpha Bravo\u003c\/dd\u003e\n  \u003cdt\u003eOEM Cross-Reference\u003c\/dt\u003e\n  \u003cdd\u003e8M0095953, 8M0133716\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Motor Fitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and ensure the engine is cool before beginning work.\u003c\/li\u003e\n  \u003cli\u003eIdentify the existing motor fitting location on your MerCruiser stern drive assembly.\u003c\/li\u003e\n  \u003cli\u003eRemove the old fitting carefully, noting the orientation and any sealing surfaces.\u003c\/li\u003e\n  \u003cli\u003eClean all mating surfaces thoroughly to remove old gasket material, debris, or corrosion.\u003c\/li\u003e\n  \u003cli\u003eInstall the new motor fitting, ensuring proper alignment with mounting points.\u003c\/li\u003e\n  \u003cli\u003eTighten fasteners to manufacturer-specified torque in a cross-pattern sequence.\u003c\/li\u003e\n  \u003cli\u003eReconnect all hoses and electrical connections as applicable.\u003c\/li\u003e\n  \u003cli\u003ePerform a visual inspection and test the system before returning to service.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm this fits my exact engine?\u003c\/summary\u003e\u003cp\u003eCross-reference your engine's serial number with the compatibility table above. Verify that your engine is a MerCruiser 4.5L MPI 250 Alpha Bravo stern drive. If uncertain, compare the OEM part numbers 8M0095953 or 8M0133716 against your service manual or existing part.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat are signs this motor fitting needs replacement?\u003c\/summary\u003e\u003cp\u003eCommon indicators include visible cracks or damage to the fitting, leaks around the connection points, unusual vibration during operation, or corrosion that compromises the seal. Regular inspection during routine maintenance can catch wear before failure occurs.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eCan I install this myself or do I need a mechanic?\u003c\/summary\u003e\u003cp\u003eInstallation requires basic mechanical skills and appropriate tools. If you are comfortable working on stern drive systems and have access to torque specifications, you can perform this replacement. However, professional installation ensures proper fitment and system integrity.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs any gasket or sealant required during installation?\u003c\/summary\u003e\u003cp\u003eCheck your engine's service manual for specific requirements. Some installations may require a gasket or marine-grade sealant to ensure a proper seal. Always follow manufacturer guidelines for your specific stern drive model.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWill this work on older MerCruiser models?\u003c\/summary\u003e\u003cp\u003eThis fitting is designed specifically for MerCruiser 4.5L MPI 250 Alpha Bravo stern drives. Compatibility with other models depends on whether they use the same OEM part numbers (8M0095953 or 8M0133716). Verify against your engine's parts list before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is the expected service life of this part?\u003c\/summary\u003e\u003cp\u003eService life depends on operating conditions, maintenance practices, and environmental factors. Regular inspection during seasonal maintenance and prompt replacement at first signs of wear will help maintain optimal performance.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\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\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\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\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/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\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":51025604837691,"sku":"22DF038","price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/A1111ba1707ef4b6cab3d3766832b1604e.webp?v=1772931219","url":"https:\/\/seasierra.com\/products\/motor-fitting-fits-mercruiser-4-5l-mpi-250-alpha-bravo-replaces-8m0095953-8m0133716","provider":"SeaSierra","version":"1.0","type":"link"}