{"product_id":"bell-housing-installation-gasket-kit-fits-mercruiser-r-mr-alpha-one-gen-i-ii-replaces-mercury-27-94996q2","title":"Bell Housing Installation Gasket Kit – Fits MerCruiser R\/MR\/Alpha One Gen I \u0026 II (Replaces Mercury 27-94996Q2)","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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eBell Housing Installation Gasket Kit\u003c\/strong\u003e is designed for MerCruiser R\/MR, Alpha One, and Alpha One Gen II sterndrives manufactured from 1983 and newer, specifically fitting models with serial numbers 6225577 and above. It provides the necessary seals for installing the sterndrive to the bell housing, ensuring a watertight fit and preventing leaks.\u003c\/p\u003e\n\u003cp\u003eThis kit serves as a direct replacement for multiple OEM and aftermarket part numbers, including Mercury 27-94996Q2\/94996T2, Sierra 18-2619\/18-2619-1, GLM 39622, Mallory 9-62601, and EMP 27-02386.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeals the sterndrive unit to the bell housing to prevent water intrusion.\u003c\/li\u003e\n\u003cli\u003eIncludes all required gaskets and O-rings for a complete installation.\u003c\/li\u003e\n\u003cli\u003eEngineered for use in gasoline sterndrive applications.\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 Cross-Reference\"\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\u003e27-94996Q2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e94996T2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-2619\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-2619-1\u003c\/td\u003e\n      \u003c\/tr\u003e\n        \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e39622\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory\u003c\/td\u003e\n        \u003ctd\u003e9-62601\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEMP\u003c\/td\u003e\n        \u003ctd\u003e27-02386\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\u003cp\u003eFor Mercury MerCruiser engines, please verify your model and serial number range to ensure correct fitment.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\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\u003eAlpha One Gen II\u003c\/td\u003e\n        \u003ctd\u003e1991–1995\u003c\/td\u003e\n        \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n        \u003ctd\u003eSerial numbers 0D469859 through 0F679999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eAlpha One Gen II\u003c\/td\u003e\n        \u003ctd\u003e1996–1997\u003c\/td\u003e\n        \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n        \u003ctd\u003eSerial numbers 0F680000 through 0K999999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eAlpha One Gen II\u003c\/td\u003e\n        \u003ctd\u003e1998–2013\u003c\/td\u003e\n        \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n        \u003ctd\u003eSerial numbers 0L100040 and up\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eR\/MR\/Alpha One (Sterndrive)\u003c\/td\u003e\n        \u003ctd\u003e1983–1990\u003c\/td\u003e\n        \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n        \u003ctd\u003eSerial numbers 6225577 through 0D469858\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eR\/MR\/Alpha One (Transom Assembly)\u003c\/td\u003e\n        \u003ctd\u003e1983–1990\u003c\/td\u003e\n        \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n        \u003ctd\u003eSerial numbers 6216687 through 0D469858\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\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eDrive Installation Gasket Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eSeals sterndrive to bell housing\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eRubber\/Composite\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.22 lb (0.10 kg)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eContains gaskets and O-rings for proper installation of the bell housing\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Outdrive Mounting Gasket (27-8M0091545)\u003c\/li\u003e\n  \u003cli\u003e1 x Bell Housing Gasket (27-35982)\u003c\/li\u003e\n  \u003cli\u003e1 x O-Ring (25-33504) - 1.359\" x 0.139\"\u003c\/li\u003e\n  \u003cli\u003e1 x O-Ring (25-35027) - 1.046\" x 0.139\"\u003c\/li\u003e\n  \u003cli\u003e2 x O-Ring (25-29845) - 0.924\" x 0.103\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and follow all marine safety precautions before starting.\u003c\/li\u003e\n  \u003cli\u003eRemove the sterndrive unit from the transom assembly according to the official service manual.\u003c\/li\u003e\n  \u003cli\u003eCarefully detach the old bell housing and remove any old gasket material from both mating surfaces.\u003c\/li\u003e\n  \u003cli\u003eClean the mounting surfaces thoroughly to ensure they are free of oil, old adhesive, and debris.\u003c\/li\u003e\n  \u003cli\u003ePosition the new gaskets and O-rings from the kit correctly onto the bell housing.\u003c\/li\u003e\n  \u003cli\u003eReinstall the bell housing and sterndrive, tightening all fasteners to the manufacturer’s specified torque values.\u003c\/li\u003e\n  \u003cli\u003eOnce assembled, perform a leak check on the water before full operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if I need this gasket kit?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs of a failed bell housing gasket include water in the gimbal bearing, contaminated gear lube, or visible water leaks between the sterndrive and the transom assembly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this fit my Alpha One Gen I drive?\u003c\/summary\u003e\n  \u003cp\u003eThis kit fits MerCruiser R\/MR\/Alpha One models from 1983–1990 (serial numbers 6225577 through 0D469858). It's critical to verify your drive's serial number against the compatibility table before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs it necessary to use all the parts in this kit?\u003c\/summary\u003e\n  \u003cp\u003eYes. For a reliable and long-lasting seal, it is strongly recommended to replace all included gaskets and O-rings any time the sterndrive is separated from the bell housing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhen should this gasket set be replaced?\u003c\/summary\u003e\n  \u003cp\u003eWhile there is no fixed replacement schedule, this gasket set should be replaced whenever the sterndrive is removed for service or if any signs of leakage are detected.\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\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\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":50717898015035,"sku":"859F6eM568l","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/859F6eM568l.png?v=1762937766","url":"https:\/\/seasierra.com\/products\/bell-housing-installation-gasket-kit-fits-mercruiser-r-mr-alpha-one-gen-i-ii-replaces-mercury-27-94996q2","provider":"SeaSierra","version":"1.0","type":"link"}