{"title":"Mercury 100-Hour Maintenance Kits","description":"","products":[{"product_id":"8m0090558-service-kit-for-mercury-40hp-50hp-60hp-efi-jlm-marine","title":"8M0090558 Service Kit for Mercury 40HP 50HP 60HP EFI | JLM Marine","description":"\u003ch2\u003e8M0090558 Service Kit for Mercury 40HP 50HP 60HP EFI\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive service kit is specifically designed for \u003cstrong\u003eMercury 40HP, 50HP, and 60HP EFI outboard engines\u003c\/strong\u003e. It provides all the essential maintenance components needed for a complete routine service, ensuring your engine runs at peak performance and reliability.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces OEM part number \u003cstrong\u003e8M0090558\u003c\/strong\u003e, offering a cost-effective solution for scheduled maintenance without compromising on quality or fit.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete service kit with oil filter, fuel filters, thermostat, gaskets, and gear oil pump\u003c\/li\u003e\n  \u003cli\u003eDesigned for Mercury EFI (Electronic Fuel Injection) outboards\u003c\/li\u003e\n  \u003cli\u003eIncludes all critical maintenance components in one convenient package\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\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    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e8M0090558\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\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\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\u003eRated HP\u003c\/th\u003e\n      \u003cth\u003eEngine Type\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\u003e40 HP\u003c\/td\u003e\n      \u003ctd\u003eEFI\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e50 HP\u003c\/td\u003e\n      \u003ctd\u003eEFI\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e60 HP\u003c\/td\u003e\n      \u003ctd\u003eEFI\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\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 Number\u003c\/td\u003e\n      \u003ctd\u003e8M0090558\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eMercury 40HP, 50HP, 60HP EFI Outboards\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKit Type\u003c\/td\u003e\n      \u003ctd\u003eComplete Service\/Maintenance Kit\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\u003cp\u003eThis service kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8M0162829\u003c\/strong\u003e - Oil Filter × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e879884T\u003c\/strong\u003e - Fuel Filter × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8M0153652\u003c\/strong\u003e - Fuel Filter × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8M0117413\u003c\/strong\u003e - Thermostat × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e824853.0\u003c\/strong\u003e - Thermostat Gasket × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8M0007119\u003c\/strong\u003e - Oil Plug Drain Gasket × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e830749.0\u003c\/strong\u003e - Lower Unit Drain Gasket × 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24OP149\u003c\/strong\u003e - Gear Oil Pump × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Ensure the engine is cool and the outboard is in a stable, upright position. Gather all necessary tools including wrenches, drain pan, and the gear oil pump included in this kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Change:\u003c\/strong\u003e Remove the oil drain plug using the new drain gasket and drain old engine oil into a suitable container. Replace the old oil filter with the new one, applying a thin coat of oil to the gasket before installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Filter Replacement:\u003c\/strong\u003e Locate and remove the old fuel filters. Install the new fuel filters ensuring proper orientation and secure connections to prevent leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermostat Service:\u003c\/strong\u003e Remove the thermostat housing cover and extract the old thermostat. Install the new thermostat with fresh gaskets ensuring correct orientation for proper coolant flow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower Unit Service:\u003c\/strong\u003e Remove all three lower unit drain and fill plugs, allowing old gear oil to drain completely. Inspect the oil for metal shavings or water contamination.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower Unit Refill:\u003c\/strong\u003e Using the included gear oil pump and new drain gaskets, pump fresh gear oil into the lower fill hole until it emerges from the top vent hole. Replace plugs starting with the top vent first, then the lower drain\/fill plug.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Check:\u003c\/strong\u003e Refill engine oil to the proper level per your owner's manual specifications. Start the engine and check for any leaks around filter and gasket areas.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal Inspection:\u003c\/strong\u003e Allow the engine to reach operating temperature and verify proper thermostat operation by monitoring coolant flow. Recheck all drain plugs and filters for secure installation and no leakage.\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 service kit fits my Mercury outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit is designed specifically for Mercury 40HP, 50HP, and 60HP EFI models. Verify your engine's horsepower rating and confirm it has electronic fuel injection (EFI). You can cross-reference the OEM part number 8M0090558 in your owner's manual.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform this service on my Mercury EFI outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: Mercury recommends a complete service every 100 hours of operation or annually, whichever comes first. In harsh conditions, consider more frequent intervals to maintain optimal engine performance and longevity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use individual replacement parts instead of purchasing the entire kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, individual components are available separately; however, this complete service kit offers better value and ensures you have all necessary maintenance items on hand.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are signs that my fuel filters or thermostat need replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Fuel filter issues often manifest as rough idling, hesitation under acceleration, or difficulty starting. Thermostat problems typically cause overheating, prolonged warm-up times, or inconsistent operating temperatures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is the gear oil pump reusable for future lower unit services?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, the included gear oil pump is a durable tool designed for multiple uses. Clean it thoroughly after each use and store it properly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\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.\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.\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. Returns are accepted within our standard return window.\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.\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":52418225996089,"sku":"23KM779","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-23KM779.png?v=1776686769"},{"product_id":"8m0149929-service-kit-for-mercury-v6-v8-jlm-marine","title":"8M0149929 Service Kit for Mercury V6 V8 | JLM Marine","description":"\u003ch2\u003e8M0149929 Service Kit for Mercury V6 V8\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive service kit is designed for Mercury V6 and V8 outboard engines, specifically the 175-300 HP models with 3.4L V6 and 4.6L V8 displacements. Engineered to meet OEM specifications, this kit provides all essential maintenance components to keep your engine running at peak performance.\u003c\/p\u003e\n\n\u003cp\u003eThis service kit directly replaces Mercury OEM part number \u003cstrong\u003e8M0149929\u003c\/strong\u003e, offering a complete maintenance solution in one convenient package. It includes premium-quality oil and fuel filters, lower unit drain gaskets, and a gear oil pump—everything needed for thorough routine service.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete service solution with oil filter, fuel filter, drain gaskets, and gear oil pump\u003c\/li\u003e\n\u003cli\u003eFits Mercury V6 (3.4L) and V8 (4.6L) engines rated 175-300 HP\u003c\/li\u003e\n\u003cli\u003eAll components engineered to OEM specifications for reliable performance\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\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\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e8M0149929\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\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\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\u003eRated HP\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\u003eV6 (3.4L) \u0026amp; V8 (4.6L)\u003c\/td\u003e\n\u003ctd\u003e175-300 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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 Number\u003c\/td\u003e\n\u003ctd\u003e8M0149929\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engines\u003c\/td\u003e\n\u003ctd\u003eMercury 175-300 HP V6 (3.4L) \u0026amp; V8 (4.6L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Type\u003c\/td\u003e\n\u003ctd\u003eComplete Service Kit\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\u003cp\u003eThis service kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e8M0123025 Oil Filter\u003c\/strong\u003e\u003c\/span\u003e × 1 \u003ca href=\"https:\/\/jlmmarine.com\/products\/oil-filter-for-mercury-135-150-175-200-hp-18-7921\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e8M0106635 Fuel Filter\u003c\/strong\u003e\u003c\/span\u003e × 1 \u003ca href=\"https:\/\/jlmmarine.com\/products\/water-separating-fuel-filter-for-mercury-175-300hp-35-8m0106635\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e830749.0 Lower Unit Drain Gasket\u003c\/strong\u003e × 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24OP149 Gear Oil Pump\u003c\/strong\u003e × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e830749 Lower Unit Drain Gasket\u003c\/strong\u003e × 6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Ensure the engine is off and cooled down completely. Gather necessary tools including wrenches, a drain pan, and clean rags.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Filter Replacement:\u003c\/strong\u003e Locate the oil filter on your engine block. Using an appropriate filter wrench, remove the old oil filter and replace it with the new 8M0123025 filter, hand-tightening securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Filter Replacement:\u003c\/strong\u003e Locate the fuel filter assembly in the fuel line. Disconnect fuel lines carefully, replace the old fuel filter with the new 8M0106635 filter, and reconnect all fuel line connections securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Unit Service:\u003c\/strong\u003e Position the engine vertically and place a drain pan beneath the lower unit. Remove the drain and vent plugs to allow old gear oil to drain completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Replacement:\u003c\/strong\u003e Clean the drain and vent plug surfaces thoroughly. Install new 830749 lower unit drain gaskets on both drain and vent plugs to ensure a proper seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefill Gear Oil:\u003c\/strong\u003e Using the included 24OP149 gear oil pump, insert the pump nozzle into the lower drain hole. Pump fresh gear oil until it reaches the upper vent hole.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Plugs:\u003c\/strong\u003e Quickly install the vent plug with a new gasket while oil is still flowing, then install the drain plug with a new gasket. Tighten both plugs to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Inspection:\u003c\/strong\u003e Wipe down all serviced areas and check for leaks. Start the engine briefly and inspect all filter and plug locations for proper sealing.\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 service kit fits my Mercury engine?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit is designed for Mercury V6 (3.4L) and V8 (4.6L) engines rated between 175-300 HP. Verify your engine displacement and horsepower rating on your engine's identification plate or consult your owner's manual. You can also use the Mercury serial number guide linked above to confirm compatibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform this service on my Mercury outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: Mercury recommends changing the oil and fuel filters every 100 hours of operation or annually, whichever comes first. Lower unit gear oil should be changed every 100 hours or seasonally, especially before winter storage, to prevent moisture accumulation and gear damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the lower unit drain gaskets if they look undamaged?\u003c\/strong\u003e\u003cbr\u003e\nA: No, always replace drain gaskets during service even if they appear intact. Old gaskets compress and lose their sealing ability, which can lead to gear oil leaks and potential lower unit damage. This kit includes 12 gaskets to ensure you have fresh seals for multiple services.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What type of gear oil should I use with the included pump?\u003c\/strong\u003e\u003cbr\u003e\nA: Use Mercury Premium or High Performance gear lube as specified in your owner's manual. The included gear oil pump (24OP149) is designed to work with standard gear oil viscosities and makes the filling process clean and efficient.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are signs that my filters need immediate replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include reduced engine performance, difficulty starting, rough idling, decreased fuel efficiency, or visible contamination in old filters. If you notice any of these issues between regular service intervals, inspect and replace filters as needed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket part?\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":52418226028857,"sku":"23KM783","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-23KM783.png?v=1776686772"},{"product_id":"8m0151469-maintenance-kit-for-mercury-15hp-20hp-efi-jlm-marine","title":"8M0151469 Maintenance Kit for Mercury 15HP 20HP EFI | JLM Marine","description":"\u003ch2\u003e8M0151469 Maintenance Kit for Mercury 15HP 20HP EFI\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is designed for \u003cstrong\u003eMercury 15HP and 20HP EFI outboard engines\u003c\/strong\u003e, providing all essential service components in one convenient package. It ensures your engine maintains peak performance and reliability through proper routine maintenance.\u003c\/p\u003e\n\n\u003cp\u003eDirectly replaces OEM part number \u003cstrong\u003e8M0151469\u003c\/strong\u003e, delivering factory-equivalent quality and fit for your Mercury EFI outboard.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete service kit with oil filter, fuel filter, drain gaskets, and gear oil pump\u003c\/li\u003e\n  \u003cli\u003eEngineered specifically for Mercury 15HP and 20HP EFI models\u003c\/li\u003e\n  \u003cli\u003eAll critical maintenance components in one package for convenience\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\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    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e8M0151469\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\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\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\u003eRated HP\u003c\/th\u003e\n      \u003cth\u003eModel\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\u003e15 HP\u003c\/td\u003e\n      \u003ctd\u003eEFI\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e20 HP\u003c\/td\u003e\n      \u003ctd\u003eEFI\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\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\u003e8M0151469\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eMercury 15HP \u0026amp; 20HP EFI Outboards\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKit Type\u003c\/td\u003e\n      \u003ctd\u003eComplete Maintenance Service Kit\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\u003cp\u003eThis maintenance kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8M0162831 (Oil Filter)\u003c\/strong\u003e × 1 \u003ca href=\"https:\/\/jlmmarine.com\/products\/oil-filter-for-mercury-and-honda-8-9-9-13-5-15-25-30-hp-18-7913\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8M0134466 (Fuel Filter)\u003c\/strong\u003e × 1 \u003ca href=\"https:\/\/jlmmarine.com\/products\/fuel-filter-fits-mercury-mariner-9-9-30hp-efi-fourstroke-outboards-replaces-35-8m0134466\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e895146.0 (Oil Plug Drain Gasket)\u003c\/strong\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8M0082880 (Lower Unit Drain Gasket)\u003c\/strong\u003e × 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24OP149 (Gear Oil Pump)\u003c\/strong\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e895146 (Oil Plug Drain Gasket)\u003c\/strong\u003e × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color:red;\"\u003eEnsure all gaskets are replaced during service to prevent leaks and maintain optimal engine performance.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Ensure the engine is off and cooled down. Gather necessary tools including wrenches, drain pan, and clean rags.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Filter Replacement:\u003c\/strong\u003e Locate the oil filter on your engine. Remove the old filter using an appropriate filter wrench and replace it with the new 8M0162831 oil filter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Filter Replacement:\u003c\/strong\u003e Disconnect fuel lines from the old fuel filter (8M0134466). Install the new fuel filter, ensuring proper fuel flow direction as marked on the filter body.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Drain Plug Service:\u003c\/strong\u003e Remove the oil drain plug and allow old oil to drain completely into a pan. Replace the old drain gasket (895146 or 895146.0) with a new one before reinstalling the drain plug.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower Unit Drain Service:\u003c\/strong\u003e Remove both lower unit drain and vent plugs to drain old gear oil. Inspect and replace both 8M0082880 lower unit drain gaskets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Gear Oil:\u003c\/strong\u003e Using the included 24OP149 gear oil pump, refill the lower unit with fresh gear oil from the bottom drain hole until oil appears at the vent hole.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReinstall Plugs:\u003c\/strong\u003e Install the bottom drain plug first with a new gasket, then the top vent plug with a new gasket. Torque to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Engine Oil:\u003c\/strong\u003e Add fresh engine oil through the oil fill port to the proper level as indicated on the dipstick.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrime Fuel System:\u003c\/strong\u003e Pump the fuel primer bulb until firm to ensure the new fuel filter is filled and the system is primed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal Check:\u003c\/strong\u003e Start the engine and allow it to run for a few minutes. Check all service points for leaks and proper operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisposal:\u003c\/strong\u003e Dispose of used oil, filters, and gaskets according to local environmental regulations.\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 maintenance kit fits my Mercury outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify that your engine is a Mercury 15HP or 20HP EFI model. Cross-reference the OEM part number 8M0151469 with your engine's service manual or check the Mercury parts catalog linked above to ensure compatibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform maintenance using this kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Mercury recommends replacing the oil filter, fuel filter, and drain gaskets at every 100 operating hours or annually, whichever comes first. The lower unit oil should be changed at the same interval or more frequently in saltwater environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my engine needs this maintenance service?\u003c\/strong\u003e\u003cbr\u003e\nA: Common indicators include difficulty starting, reduced fuel efficiency, rough idling, oil leaks around drain plugs, or milky appearance in the lower unit oil. Regular preventive maintenance prevents these issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use aftermarket filters instead of OEM on my Mercury EFI engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, quality aftermarket filters built to OEM specifications provide equivalent filtration and protection. This kit is designed to meet Mercury's performance standards for your EFI outboard.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do I need any special tools to install this maintenance kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Basic hand tools are sufficient: filter wrench, socket set, drain pan, and the included gear oil pump. A torque wrench is recommended for proper drain plug installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM product or aftermarket?\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":52418234253625,"sku":"25KM288","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM288.png?v=1776686776"},{"product_id":"8m0097856-maintenance-kit-for-mercury-75hp-90hp-115hp-150hp-jlm-marine","title":"8M0097856 Maintenance Kit for Mercury 75HP 90HP 115HP 150HP | JLM Marine","description":"\u003ch2\u003e8M0097856 Maintenance Kit for Mercury 75HP 90HP 115HP 150HP | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is engineered for \u003cstrong\u003eMercury 75-115 HP (1.7L)\u003c\/strong\u003e and \u003cstrong\u003e150 HP EFI\u003c\/strong\u003e outboard engines. It delivers all the essential components needed for routine service intervals, ensuring your engine runs smoothly and reliably season after season.\u003c\/p\u003e\n\n\u003cp\u003eDesigned as a direct replacement for OEM part number \u003cstrong\u003e8M0097856\u003c\/strong\u003e, this kit streamlines your maintenance process by bundling critical filters, gaskets, and tools into one convenient package.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes oil filter, fuel filter, drain gaskets, and gear oil pump for complete service coverage\u003c\/li\u003e\n  \u003cli\u003eFits Mercury 1.7L four-stroke models (75-115 HP) and 150 HP EFI engines\u003c\/li\u003e\n  \u003cli\u003eAll components meet OEM specifications for reliable performance\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\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    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e8M0097856\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\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\u003eRated HP\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\u003e1.7L\u003c\/td\u003e\n        \u003ctd\u003e75-115 HP\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eEFI\u003c\/td\u003e\n        \u003ctd\u003e150 HP\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 Number\u003c\/td\u003e\n      \u003ctd\u003e8M0097856\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEngine Displacement\u003c\/td\u003e\n      \u003ctd\u003e1.7L\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible HP Range\u003c\/td\u003e\n      \u003ctd\u003e75-115 HP, 150 HP EFI\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\u003cp\u003eThis maintenance kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e877761K01\u003c\/strong\u003e (Oil Filter) × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e879885Q\u003c\/strong\u003e (Fuel Filter) × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e828816.0\u003c\/strong\u003e (Oil Plug Drain Gasket) × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e830749.0\u003c\/strong\u003e (Lower Unit Drain Gasket) × 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24OP149\u003c\/strong\u003e (Gear Oil Pump) × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Warm up the engine for 5 minutes to thin the oil, then shut off and allow to cool slightly. Gather all tools and have a drain pan ready.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrain Engine Oil:\u003c\/strong\u003e Remove the oil drain plug using the appropriate wrench and allow all old oil to drain completely into the pan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Oil Drain Gasket:\u003c\/strong\u003e Discard the old gasket and install a new one from the kit onto the drain plug threads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReinstall Drain Plug:\u003c\/strong\u003e Thread the drain plug back into the engine and torque to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Oil Filter:\u003c\/strong\u003e Remove the old oil filter, apply a light coat of clean oil to the new filter gasket, and hand-tighten the new filter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Fuel Filter:\u003c\/strong\u003e Disconnect fuel lines from the old fuel filter, noting orientation. Install the new filter ensuring proper flow direction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrain Lower Unit Gear Oil:\u003c\/strong\u003e Remove both the lower unit drain and vent plugs, allowing old gear oil to drain completely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Lower Unit Gaskets:\u003c\/strong\u003e Install new lower unit drain gaskets on both the drain and vent plugs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Lower Unit:\u003c\/strong\u003e Using the included gear oil pump, inject fresh gear oil into the drain hole until it flows from the vent hole.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Engine Oil:\u003c\/strong\u003e Pour the manufacturer-recommended amount and grade of fresh engine oil through the fill cap.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck Levels:\u003c\/strong\u003e Start the engine and let it idle for 2-3 minutes. Shut off, wait 5 minutes, then verify oil level and check for leaks.\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 kit fits my Mercury engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's horsepower and displacement with the compatibility table above. This kit is designed for Mercury 75-115 HP (1.7L) and 150 HP EFI models.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform this maintenance service?\u003c\/strong\u003e\u003cbr\u003e\nA: Mercury recommends oil and filter changes every 100 hours of operation or annually, whichever comes first.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the included gear oil pump for future services?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, the gear oil pump is reusable and can be cleaned and stored for your next lower unit service interval.\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 before purchasing.\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":52418234319161,"sku":"25KM289","price":29.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM289.png?v=1776686779"},{"product_id":"8m0097854-maintenance-kit-for-mercury-75hp-90hp-100hp-115hp-jlm-marine","title":"8M0097854 Maintenance Kit for Mercury 75HP 90HP 100HP 115HP | JLM Marine","description":"\u003ch2\u003e8M0097854 Maintenance Kit for Mercury 75HP 90HP 100HP 115HP\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is engineered for Mercury outboard engines rated at \u003cstrong\u003e75–115 HP (2.1L)\u003c\/strong\u003e. It consolidates essential service components into one package, simplifying routine maintenance and ensuring your engine runs at peak performance.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces OEM part number \u003cstrong\u003e8M0097854\u003c\/strong\u003e, providing a cost-effective solution for regular service intervals without compromising on quality or reliability.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIncludes oil filter, fuel filter, lower unit drain gaskets, and gear oil pump\u003c\/li\u003e\n\u003cli\u003eDesigned for Mercury 2.1L mid-range outboards\u003c\/li\u003e\n\u003cli\u003eConsolidates multiple service parts for convenient maintenance\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\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\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e8M0097854\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\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\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\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eEngine Displacement\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\u003e75–115 HP\u003c\/td\u003e\n\u003ctd\u003e2.1L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\u003e8M0097854\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engines\u003c\/td\u003e\n\u003ctd\u003eMercury 75–115 HP (2.1L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Type\u003c\/td\u003e\n\u003ctd\u003eMaintenance\/Service Kit\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\u003cp\u003eThis maintenance kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8M0065104\u003c\/strong\u003e (Oil Filter) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e879885Q\u003c\/strong\u003e (Fuel Filter) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e830749.0\u003c\/strong\u003e (Lower Unit Drain Gasket) × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24OP149\u003c\/strong\u003e (Gear Oil Pump) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e830749\u003c\/strong\u003e (Lower Unit Drain Gasket) × 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare the engine:\u003c\/strong\u003e Ensure the outboard is off, cool, and secured in an upright position. Gather necessary tools including wrenches, a drain pan, and clean rags.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace the oil filter:\u003c\/strong\u003e Locate the oil filter on the engine block, unscrew the old filter using a filter wrench, and install the new 8M0065104 oil filter hand-tight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace the fuel filter:\u003c\/strong\u003e Disconnect fuel lines from the old 879885Q fuel filter, noting the flow direction. Install the new filter ensuring correct orientation and secure all clamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain lower unit:\u003c\/strong\u003e Position the drain pan beneath the lower unit and remove the drain and vent screws. Allow all old gear oil to drain completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace drain gaskets:\u003c\/strong\u003e Remove old 830749\/830749.0 gaskets from drain and vent screws, clean the screw threads, and install new gaskets from the kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefill lower unit:\u003c\/strong\u003e Using the 24OP149 gear oil pump, insert the nozzle into the lower drain hole and pump fresh gear oil until it flows from the upper vent hole.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall plugs:\u003c\/strong\u003e Quickly reinstall the upper vent screw with new gasket first, then the lower drain screw with new gasket. Tighten both to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck for leaks:\u003c\/strong\u003e Wipe all service points clean and inspect for oil or fuel leaks. Run the engine briefly and recheck all filters and drain plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispose of fluids properly:\u003c\/strong\u003e Collect all used oil, fuel, and filters for proper disposal according to local environmental regulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecord maintenance:\u003c\/strong\u003e Log the service date and engine hours in your maintenance records for future reference.\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 kit fits my Mercury engine?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit is designed for Mercury 75–115 HP engines with 2.1L displacement. Cross-reference your engine's model and serial number with the compatibility table above, or consult your owner's manual to verify the OEM part number 8M0097854 is specified for your model.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform maintenance with this kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Mercury recommends changing the oil filter and fuel filter every 100 hours of operation or annually, whichever comes first. Lower unit gear oil and gaskets should be serviced every 100 hours or seasonally, especially before winter storage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this kit if I'm missing just one component?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, you can use individual components from this kit as needed. However, purchasing the complete kit is typically more cost-effective if you're due for comprehensive maintenance, and having spare gaskets on hand is always recommended.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that I need to replace these maintenance items?\u003c\/strong\u003e\u003cbr\u003e\nA: Common indicators include difficulty starting, reduced engine performance, milky or metallic lower unit oil, visible fuel filter contamination, or oil filter leaks. Never wait for symptoms—follow the manufacturer's recommended service intervals.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\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":52418242511161,"sku":"25KM290","price":29.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM290.png?v=1776686783"},{"product_id":"8m0097858-maintenance-kit-for-mercury-verado-jlm-marine","title":"8M0097858 Maintenance Kit for Mercury Verado | JLM Marine","description":"\u003ch2\u003e8M0097858 Maintenance Kit for Mercury Verado\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is designed specifically for \u003cstrong\u003eMercury Verado 200-300 HP L6 outboard engines\u003c\/strong\u003e with serial numbers \u003cstrong\u003e2B144122 and below\u003c\/strong\u003e. It includes all essential components required for routine service intervals, ensuring optimal engine performance and longevity.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces Mercury OEM part number \u003cstrong\u003e8M0097858\u003c\/strong\u003e, consolidating critical maintenance items into one convenient package for simplified servicing.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete service kit including oil filter, fuel filter, drain gaskets, and gear oil pump\u003c\/li\u003e\n  \u003cli\u003eEngineered for Mercury Verado L6 200-300 HP outboard engines\u003c\/li\u003e\n  \u003cli\u003eAll components meet OEM specifications for reliable performance\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\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    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e8M0097858\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\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\" target=\"_blank\" rel=\"nofollow noopener\"\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\" target=\"_blank\" rel=\"nofollow noopener\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\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\u003eBrand\u003c\/th\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n      \u003cth\u003eRated HP\u003c\/th\u003e\n      \u003cth\u003eSerial Number Range\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\u003eVerado L6\u003c\/td\u003e\n      \u003ctd\u003e200-300 HP\u003c\/td\u003e\n      \u003ctd\u003e2B144122 \u0026amp; below\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\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\u003e8M0097858\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Engine\u003c\/td\u003e\n      \u003ctd\u003eMercury Verado L6 200-300 HP\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSerial Number Range\u003c\/td\u003e\n      \u003ctd\u003e2B144122 \u0026amp; below\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKit Type\u003c\/td\u003e\n      \u003ctd\u003eComplete Maintenance Kit\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\u003cp\u003eThis maintenance kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e877769K01\u003c\/strong\u003e (Oil Filter) × 1 \u003ca href=\"https:\/\/jlmmarine.com\/products\/oil-filter-for-mercury-75-90-115-hp-18-7758\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8M0122423\u003c\/strong\u003e (Fuel Filter) × 1 \u003ca href=\"https:\/\/jlmmarine.com\/products\/fuel-filter-for-mercury-mariner-75-300-hp-mercruiser-4-5l-6-2l-35-8m0122423-35-8m006004\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e888593.0\u003c\/strong\u003e (Oil Plug Drain Gasket) × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e830749.0\u003c\/strong\u003e (Lower Unit Drain Gasket) × 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24OP149\u003c\/strong\u003e (Gear Oil Pump) × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e888593\u003c\/strong\u003e (Oil Plug Drain Gasket) × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e830749\u003c\/strong\u003e (Lower Unit Drain Gasket) × 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Verify all part numbers against your engine's service manual before installation.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Ensure the engine is off and cool. Gather all tools including a drain pan, torque wrench, and the included gear oil pump.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Oil Change:\u003c\/strong\u003e Remove the old oil filter using a filter wrench and install the new 877769K01 oil filter, hand-tightening plus 3\/4 turn.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Drain Plug:\u003c\/strong\u003e Replace the oil plug drain gasket (888593) on the drain plug before reinstalling to prevent leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Filter Replacement:\u003c\/strong\u003e Locate the fuel filter assembly, relieve fuel system pressure, and replace the old filter with the new 8M0122423 fuel filter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower Unit Service:\u003c\/strong\u003e Remove both lower unit drain and vent plugs, allowing old gear oil to drain completely into your pan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower Unit Gaskets:\u003c\/strong\u003e Install new 830749 lower unit drain gaskets on both drain and vent plugs to ensure proper sealing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Gear Oil:\u003c\/strong\u003e Use the included gear oil pump (24OP149) to inject fresh gear oil through the drain hole until it flows from the vent hole.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug Installation:\u003c\/strong\u003e Quickly install the vent plug first (with new gasket), then the drain plug to minimize oil loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTorque Specifications:\u003c\/strong\u003e Tighten all plugs and filters to manufacturer-specified torque values found in your service manual.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Check:\u003c\/strong\u003e Start the engine and let it idle for several minutes, checking for leaks around all service points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal Inspection:\u003c\/strong\u003e Shut down the engine and perform a final visual inspection of all replaced components and gaskets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Record the service date and engine hours in your maintenance log for future reference.\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 maintenance kit fits my Mercury Verado engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify your engine is a Mercury Verado L6 model rated between 200-300 HP with serial number 2B144122 or below. You can locate your serial number on the engine mounting bracket or refer to the Mercury Serial Number Guide linked above.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform maintenance with this kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Mercury recommends following the maintenance schedule in your owner's manual, typically every 100 hours of operation or annually, whichever comes first. More frequent service may be required in harsh operating conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old drain gaskets instead of the new ones included?\u003c\/strong\u003e\u003cbr\u003e\nA: No, always replace drain gaskets during service. Reusing old gaskets can lead to leaks and potential contamination of your engine or lower unit oil.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my fuel filter needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include difficulty starting, rough idling, loss of power under load, or engine stalling. Regular replacement prevents these issues before they occur.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket maintenance kit?\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":52418250703161,"sku":"25KM291","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM291.png?v=1776686786"}],"url":"https:\/\/jlmmarine.com\/collections\/mercury-100-hour-maintenance-kits.oembed","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}