{"product_id":"u-joint-oil-seal-fits-mercruiser-bravo-1-2-3-stern-drives-replaces-26-807006-26-18816","title":"U-Joint Oil Seal – Fits MerCruiser Bravo 1, 2, 3 Stern Drives (Replaces 26-807006, 26-18816)","description":"\u003ch2\u003eU-Joint Oil Seal – Fits MerCruiser Bravo 1, 2, 3 Stern Drives (Replaces 26-807006, 26-18816)\u003c\/h2\u003e\n\u003cp\u003eThis U-Joint Oil Seal is designed for a precise fit on MerCruiser Bravo I, II, III, X, XR, XZ, and Blackhawk stern drives manufactured from 1988 onwards (serial range 0B664190 and up).\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for MerCruiser part numbers \u003cstrong\u003e26-807006\u003c\/strong\u003e and \u003cstrong\u003e26-18816\u003c\/strong\u003e, as well as GLM 86730, ensuring compatibility and reliable performance.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eIncludes one U-Joint Oil Seal for the drive shaft housing.\u003c\/li\u003e\n    \u003cli\u003eEngineered for installation in the Universal Joint and Drive Shaft Housing.\u003c\/li\u003e\n    \u003cli\u003eConstructed from a durable rubber and metal composite to withstand the marine environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003ctable\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\u003eMerCruiser\u003c\/td\u003e\n            \u003ctd\u003e26-807006\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMerCruiser\u003c\/td\u003e\n            \u003ctd\u003e26-18816\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eGLM\u003c\/td\u003e\n            \u003ctd\u003e86730\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\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\u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ctable\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\u003eBravo I\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e1988 and up\u003c\/td\u003e\n                \u003ctd\u003e26-807006, 26-18816\u003c\/td\u003e\n                \u003ctd\u003eSerial Range: 0B664190 and up\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMerCruiser\u003c\/td\u003e\n                \u003ctd\u003eBravo II\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e1988 and up\u003c\/td\u003e\n                \u003ctd\u003e26-807006, 26-18816\u003c\/td\u003e\n                \u003ctd\u003eSerial Range: 0B664190 and up\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMerCruiser\u003c\/td\u003e\n                \u003ctd\u003eBravo III\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e1988 and up\u003c\/td\u003e\n                \u003ctd\u003e26-807006, 26-18816\u003c\/td\u003e\n                \u003ctd\u003eSerial Range: 0B664190 and up\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMerCruiser\u003c\/td\u003e\n                \u003ctd\u003eBlackhawk\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e1994-1995\u003c\/td\u003e\n                \u003ctd\u003e26-807006, 26-18816\u003c\/td\u003e\n                \u003ctd\u003eSerial Range: 0F186717 and up\u003c\/td\u003e\n            \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\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\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eU-Joint Oil Seal\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eDrive Shaft Housing\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eRubber\/Metal\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003e2.25\" OD × 1.6875\" ID × 0.31\" Thickness (57.15 mm × 42.86 mm × 7.87 mm)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003e0.07 lbs (0.032 kg)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eOther Technical Attributes\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eFor Universal Joint and Drive Shaft Housing\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e1 x Oil Seal (\u003cspan style=\"color:red;\"\u003eReplaces 26-807006, 26-18816\u003c\/span\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003eDrain the gear lube completely from the stern drive unit.\u003c\/li\u003e\n    \u003cli\u003eCarefully separate the upper and lower units of the stern drive to access the drive shaft.\u003c\/li\u003e\n    \u003cli\u003eLocate the old U-joint oil seal in the drive shaft housing.\u003c\/li\u003e\n    \u003cli\u003eUse a seal puller to carefully remove the old seal, taking care not to scratch the housing.\u003c\/li\u003e\n    \u003cli\u003eThoroughly clean the seal mounting surface inside the housing to remove any old sealant or corrosion.\u003c\/li\u003e\n    \u003cli\u003eApply a thin layer of marine grease to the outer edge of the new oil seal.\u003c\/li\u003e\n    \u003cli\u003ePosition the new seal squarely over the housing opening.\u003c\/li\u003e\n    \u003cli\u003eUse a suitable driver or socket to gently and evenly press the new seal into place until it is fully seated.\u003c\/li\u003e\n    \u003cli\u003eReassemble the stern drive units according to the manufacturer's specifications.\u003c\/li\u003e\n    \u003cli\u003eRefill the stern drive with the recommended gear lube to the correct level. Check for any leaks before operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this seal fits my MerCruiser drive?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This seal is compatible with MerCruiser Bravo I, II, and III series stern drives from 1988 and later (serial numbers 0B664190 and up), as well as Blackhawk drives from 1994-1995 (serial numbers 0F186717 and up). The most reliable method is to cross-reference your original part number with the replacements listed: \u003cstrong\u003e26-807006\u003c\/strong\u003e and \u003cstrong\u003e26-18816\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my U-joint oil seal is failing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The most common sign of a failed seal is finding water in your gear lube, which will give it a milky or cloudy appearance. You might also notice gear oil leaking from the drive, particularly around the seam between the upper and lower units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace this oil seal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It is standard practice to replace the U-joint oil seal whenever you are servicing the U-joints or separating the drive halves for other maintenance. Proactive replacement during these services can prevent future leaks and costly repairs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: 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\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: 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\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: 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\u003ch2\u003eImportant Notes\u003c\/h2\u003e\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\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\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":51313347133753,"sku":"GH-2863","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/GH-2863_9b84de92-8936-424d-a463-30a93de689be.png?v=1762188106","url":"https:\/\/jlmmarine.com\/es\/products\/u-joint-oil-seal-fits-mercruiser-bravo-1-2-3-stern-drives-replaces-26-807006-26-18816","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}