{"product_id":"lower-unit-seal-kit-fits-johnson-evinrude-85-115-hp-v4-outboards-replaces-sierra-18-2692-glm-86712-mallory-9-74113","title":"Lower Unit Seal Kit – Fits Johnson Evinrude 85-115 HP V4 Outboards (Replaces Sierra 18-2692, GLM 86712, Mallory 9-74113)","description":"\u003csection\u003e\n\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 aftermarket \u003cstrong\u003eLower Unit Seal Kit – Fits Johnson Evinrude 85-115 HP V4 Outboards\u003c\/strong\u003e is designed to rebuild the gearcase on Johnson\/Evinrude 85–115 HP V4 2-Stroke outboard motors manufactured between 1973 and 1983. It provides all necessary seals and gaskets for a complete overhaul, restoring gearcase integrity and preventing water intrusion or oil leaks.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct interchange for Sierra 18-2692, GLM 86712, Mallory 9-74113, and QuickMarine 18-2692.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for a complete lower unit rebuild project.\u003c\/li\u003e\n\u003cli\u003eComponents are made from durable metal, plastic, and rubber materials.\u003c\/li\u003e\n\u003cli\u003eKit components weigh approximately 0.009 kg (0.317 oz).\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-2692\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e86712\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory\u003c\/td\u003e\n        \u003ctd\u003e9-74113\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eQuickMarine\u003c\/td\u003e\n        \u003ctd\u003e18-2692\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 Johnson\/Evinrude models, this kit fits the V4 Crossflow outboards from the specified years.\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\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\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\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eV4\u003c\/td\u003e\n        \u003ctd\u003e85\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1983\u003c\/td\u003e\n        \u003ctd\u003eCrossflow design\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eV4\u003c\/td\u003e\n        \u003ctd\u003e90\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1983\u003c\/td\u003e\n        \u003ctd\u003eCrossflow design\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eV4\u003c\/td\u003e\n        \u003ctd\u003e100\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1983\u003c\/td\u003e\n        \u003ctd\u003eCrossflow design\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eV4\u003c\/td\u003e\n        \u003ctd\u003e110\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1983\u003c\/td\u003e\n        \u003ctd\u003eCrossflow design\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eV4\u003c\/td\u003e\n        \u003ctd\u003e115\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1973–1983\u003c\/td\u003e\n        \u003ctd\u003eCrossflow design\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\u003eLower Unit\/Gearcase Seal Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eComplete lower unit rebuild\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.009 kg (0.317 oz)\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 Shift Housing Gasket (18-0110)\u003c\/li\u003e\n  \u003cli\u003e2 x Oil Seal (18-2001)\u003c\/li\u003e\n  \u003cli\u003e2 x Oil Seal (18-2026)\u003c\/li\u003e\n  \u003cli\u003e1 x Solenoid Cover Gasket (18-2874)\u003c\/li\u003e\n  \u003cli\u003e2 x Drain\/Fill Plug Washer (18-4248)\u003c\/li\u003e\n  \u003cli\u003e4 x O-Ring (18-7109)\u003c\/li\u003e\n  \u003cli\u003e1 x O-Ring (18-7120)\u003c\/li\u003e\n  \u003cli\u003e1 x O-Ring (18-7127)\u003c\/li\u003e\n  \u003cli\u003e1 x O-Ring (18-7130)\u003c\/li\u003e\n  \u003cli\u003e1 x O-Ring (18-7137)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDrain the old gearcase lubricant completely from the lower unit.\u003c\/li\u003e\n  \u003cli\u003eCarefully disconnect the shift linkage and remove the lower unit mounting bolts to detach it from the engine.\u003c\/li\u003e\n  \u003cli\u003eDisassemble the gearcase, including the propeller shaft housing and driveshaft bearing carrier, keeping all components organized.\u003c\/li\u003e\n  \u003cli\u003eRemove all old seals, gaskets, and O-rings. Thoroughly clean all mating surfaces, removing any old sealant or corrosion.\u003c\/li\u003e\n  \u003cli\u003eInstall the new seals, gaskets, and O-rings from the kit, ensuring they are properly seated and lubricated where necessary.\u003c\/li\u003e\n  \u003cli\u003eReassemble the lower unit, torquing all bolts to the manufacturer's specifications.\u003c\/li\u003e\n  \u003cli\u003eRefill the gearcase with fresh, high-quality marine gear lubricant before reinstalling the lower unit.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if my lower unit seals are failing?\u003c\/summary\u003e\u003cp\u003eThe most common sign of seal failure is milky or creamy-looking gear oil, which indicates water has contaminated the lubricant. You may also notice oil leaks around the propeller shaft or drain\/fill screws.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this kit fit my V4 Looper engine?\u003c\/summary\u003e\u003cp\u003eNo, this kit is specifically designed for the V4 Crossflow engine architecture used between 1973 and 1983. It is not compatible with Johnson\/Evinrude Looper models.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I replace just one leaking seal instead of the whole kit?\u003c\/summary\u003e\u003cp\u003eWhile possible, it is highly recommended to replace all seals and gaskets at once. If one seal has failed due to age or wear, others are likely to fail soon. A complete rebuild ensures long-term reliability.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need special tools for installation?\u003c\/summary\u003e\u003cp\u003eWhile some disassembly can be done with standard tools, a bearing carrier puller, a seal driver kit, and a press are often necessary for proper, damage-free installation. A pressure tester is also recommended to check for leaks after reassembly.\u003c\/p\u003e\u003c\/details\u003e\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\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\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 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":50717911286075,"sku":"QM-OSK24705","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/QM-OSK24705.png?v=1762938256","url":"https:\/\/seasierra.com\/products\/lower-unit-seal-kit-fits-johnson-evinrude-85-115-hp-v4-outboards-replaces-sierra-18-2692-glm-86712-mallory-9-74113","provider":"SeaSierra","version":"1.0","type":"link"}