{"product_id":"shift-shaft-lower-unit-gearcase-oil-seal-fits-mercury-marine-60-225-hp-yamaha-30-300-hp-replaces-26-82257m-93106-09014-00","title":"Shift Shaft Lower Unit Gearcase Oil Seal – Fits Mercury Marine 60-225 HP \u0026 Yamaha 30-300 HP (Replaces 26-82257M, 93106-09014-00)","description":"\u003ch2\u003eShift Shaft Lower Unit Gearcase Oil Seal – Fits Mercury Marine 60-225 HP \u0026amp; Yamaha 30-300 HP\u003c\/h2\u003e\n\u003cp\u003eThis gear housing oil seal is an aftermarket replacement component for a wide range of Mercury Marine and Yamaha outboard motors. It is specifically designed to create a tight seal, preventing lubricant leaks from the gearcase and protecting internal components from water intrusion.\u003c\/p\u003e\n\u003cp\u003eThis seal fits various 2-stroke and 4-stroke models, including Mercury Marine engines from 60 to 225 HP and Yamaha engines from 30 to 300 HP. It serves as a direct replacement for multiple OEM and aftermarket part numbers.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Direct OEM replacement\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Seals the shift shaft or gear housing to prevent oil leaks and water contamination\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable Rubber\/Metal composite designed for saltwater resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003eMercury Marine\u003c\/td\u003e\n            \u003ctd\u003e26-82257M\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003e93106-09014-00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eSierra\u003c\/td\u003e\n            \u003ctd\u003e18-0267\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMallory\u003c\/td\u003e\n            \u003ctd\u003e9-76423\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\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\u003cp\u003eConfirm your engine model\/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-serial-number-guide-2025\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-parts-diagrams-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha 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\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 Marine\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e60-225\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e26-82257M\u003c\/td\u003e\n                \u003ctd\u003eShift shaft application\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e30-300\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e93106-09014-00\u003c\/td\u003e\n                \u003ctd\u003eGear housing application\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\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\u003eGear Housing 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\u003eDirect OEM replacement\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003e19mm bore × 9mm shaft × 5.25mm width\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 composite\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\u003eDesigned for marine applications with resistance to salt water exposure\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e1 x Oil Seal (Replaces \u003cspan style=\"color:red;\"\u003e26-82257M \/ 93106-09014-00\u003c\/span\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrepare the Lower Unit:\u003c\/strong\u003e Position the outboard securely and place a drain pan under the lower unit. Remove the drain and vent screws to drain the gear lube completely.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemove Lower Unit:\u003c\/strong\u003e Disconnect the shift linkage and remove the mounting bolts securing the gearcase to the engine. Carefully lower the unit.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAccess the Seal:\u003c\/strong\u003e Depending on your model, the shift shaft seal may be located at the top of the gearcase. Identify the old seal that needs replacement.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemove the Old Seal:\u003c\/strong\u003e Use a seal puller or a flat-head screwdriver to carefully pry the old seal out of its housing. Take care not to scratch or damage the housing surface.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eClean the Housing:\u003c\/strong\u003e Thoroughly clean the seal housing area to remove any old sealant, corrosion, or debris.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstall the New Seal:\u003c\/strong\u003e Lightly lubricate the outer edge of the new seal with marine grease. Use a seal driver or a socket of the appropriate size to press the new seal evenly into place until it is fully seated.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReassemble the Lower Unit:\u003c\/strong\u003e Reattach the lower unit to the engine, ensuring the shift linkage, driveshaft, and water tube are properly aligned. Torque all bolts to manufacturer specifications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRefill Gear Lube:\u003c\/strong\u003e Fill the gearcase with the recommended marine gear lube through the drain hole until it flows out of the vent hole. Reinstall the vent and drain screws with new gaskets.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCheck for Leaks:\u003c\/strong\u003e After running the engine, check the seal area for any signs of oil leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this seal fits my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The best method is to match the part number from your old seal or service manual to the numbers in our Part Number Cross-Reference table. Additionally, check the Compatible Engine Models list. For precise verification on Mercury and Yamaha engines, we highly recommend using the serial number and parts diagram guides linked above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the common signs of a failing gearcase oil seal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The most common indicators are visible oil leaks around the lower unit or a milky, emulsified appearance in your gear lube when you drain it, which signifies water contamination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part?\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\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\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":51313355063609,"sku":"KF2801 x 2 M","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/KF2801_x_2_M.png?v=1758708695","url":"https:\/\/jlmmarine.com\/products\/shift-shaft-lower-unit-gearcase-oil-seal-fits-mercury-marine-60-225-hp-yamaha-30-300-hp-replaces-26-82257m-93106-09014-00","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}