{"product_id":"806191t-trim-cylinder-end-cap-with-seals-for-mercruiser-alpha-i-gen-ii-bravo-jlm-marine","title":"806191T Trim Cylinder End Cap with Seals for MerCruiser Alpha I Gen II Bravo | JLM Marine","description":"\u003ch2\u003e806191T Trim Cylinder End Cap with Seals for MerCruiser Alpha I Gen II Bravo | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eTrim Cylinder End Cap with Seals\u003c\/strong\u003e is engineered as a direct replacement for MerCruiser stern drive systems, including \u003cstrong\u003eAlpha Generation I, Alpha Generation II, and Bravo\u003c\/strong\u003e models. Designed to restore hydraulic integrity to your trim ram assembly, this end cap ensures reliable performance and proper sealing under demanding marine conditions.\u003c\/p\u003e\n\n\u003cp\u003eThis aftermarket replacement consolidates multiple OEM part numbers—including \u003cstrong\u003e806191T, 14698, 14698T, 14698T10, 8M0110717, 8M0115362, 8M0118340, and 98-8M0118340\u003c\/strong\u003e—offering broad compatibility across MerCruiser trim systems. Built to OEM specifications, it provides a cost-effective solution without compromising quality or fit.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeals Included:\u003c\/strong\u003e Complete with all necessary seals for a leak-free installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Fits MerCruiser Alpha I, Gen II, and Bravo trim cylinders\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Compatibility:\u003c\/strong\u003e Replaces eight OEM part numbers for wide coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\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\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e806191T\u003c\/td\u003e\n        \u003ctd\u003ePrimary OEM number\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e14698\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e14698T\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e14698T10\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Marine\u003c\/td\u003e\n        \u003ctd\u003e8M0110717\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Marine\u003c\/td\u003e\n        \u003ctd\u003e8M0115362\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Marine\u003c\/td\u003e\n        \u003ctd\u003e8M0118340\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Marine\u003c\/td\u003e\n        \u003ctd\u003e98-8M0118340\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-2373\u003c\/td\u003e\n        \u003ctd\u003eAftermarket equivalent\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\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 Generation 1\u003c\/td\u003e\n        \u003ctd\u003eTrim ram end cap with seals\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eAlpha Generation 2\u003c\/td\u003e\n        \u003ctd\u003eTrim ram end cap with seals\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eBravo\u003c\/td\u003e\n        \u003ctd\u003eTrim ram end cap with seals\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOEM Part Number\u003c\/td\u003e\n      \u003ctd\u003e806191T\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eTrim Cylinder End Cap\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSeals Included\u003c\/td\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Systems\u003c\/td\u003e\n      \u003ctd\u003eMerCruiser Alpha I, Gen II, Bravo\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Trim Cylinder End Cap\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eComplete Seal Kit (all necessary seals included)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelieve hydraulic pressure:\u003c\/strong\u003e Lower the stern drive completely and turn off all power to the trim system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove the old end cap:\u003c\/strong\u003e Use appropriate wrenches to carefully unscrew the existing trim cylinder end cap. Have a drain pan ready to catch any hydraulic fluid.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspect the cylinder bore:\u003c\/strong\u003e Check for scoring, corrosion, or damage inside the cylinder. Clean thoroughly with a lint-free cloth and hydraulic-safe solvent.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall new seals:\u003c\/strong\u003e Lubricate the new seals with clean hydraulic fluid and carefully position them in the grooves of the new end cap according to OEM specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread the new end cap:\u003c\/strong\u003e Hand-tighten the end cap onto the trim cylinder, ensuring proper alignment to avoid cross-threading.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTorque to specification:\u003c\/strong\u003e Use a torque wrench to tighten the end cap to MerCruiser's recommended torque value (consult your service manual for exact specifications).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill hydraulic fluid:\u003c\/strong\u003e Add the correct type and amount of hydraulic fluid to the trim reservoir. Check your owner's manual for fluid type and capacity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBleed the system:\u003c\/strong\u003e Cycle the trim system up and down several times to purge air from the hydraulic lines. Top off fluid as needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspect for leaks:\u003c\/strong\u003e With the engine running, operate the trim system through its full range and check all connections for hydraulic leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal check:\u003c\/strong\u003e Verify smooth trim operation and confirm no fluid loss after several cycles.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this end cap fits my MerCruiser stern drive?\u003c\/strong\u003e\u003cbr\u003e\nA: This end cap is designed for MerCruiser Alpha Generation I, Alpha Generation II, and Bravo stern drives. Cross-reference your current part number with the list provided (806191T, 14698, 8M0110717, etc.), or consult your engine's parts diagram using the links above to verify compatibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my trim cylinder end cap needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include hydraulic fluid leaking from the trim cylinder, slow or erratic trim operation, inability to hold trim position, or visible damage to the end cap threads or seal surfaces. If you notice any of these issues, inspect and replace the end cap as needed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are the seals pre-installed or do I need to install them separately?\u003c\/strong\u003e\u003cbr\u003e\nA: The seals are included in the package but typically require installation during assembly. Lubricate each seal with clean hydraulic fluid and carefully seat them in the end cap grooves before threading the cap onto the cylinder to ensure proper sealing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the trim cylinder end cap?\u003c\/strong\u003e\u003cbr\u003e\nA: Replacement is condition-based rather than time-based. Inspect the end cap and seals annually or whenever you perform trim system maintenance. Replace immediately if you observe leaks, damaged threads, or seal deterioration to prevent hydraulic system failure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between this aftermarket part and the OEM version?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n  \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51966114562361,"sku":"22EC004","price":53.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/A4687070be4b64ea6888c97c595510b41j.webp?v=1771923905","url":"https:\/\/jlmmarine.com\/ru\/products\/806191t-trim-cylinder-end-cap-with-seals-for-mercruiser-alpha-i-gen-ii-bravo-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}