{"product_id":"8m0251128-maintenance-kit-for-mercury-60hp-jlm-marine","title":"8M0251128 Maintenance Kit for Mercury 60HP | JLM Marine","description":"\u003ch2\u003e8M0251128 Maintenance Kit for Mercury 60HP\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is specifically designed for \u003cstrong\u003eMercury 60HP outboard engines\u003c\/strong\u003e manufactured from \u003cstrong\u003e1993 to 2014\u003c\/strong\u003e (serial numbers 0G5900000 to 0T980000 and 0T980000 to serial numbers starting with 1B...). It includes all essential components needed for a complete routine service, ensuring your engine runs reliably season after season.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e OEM part number \u003cstrong\u003e8M0251128\u003c\/strong\u003e. This aftermarket kit delivers the same functionality and fitment as the original Mercury kit at a competitive price point.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIncludes impeller, gaskets, thermostat, fuel filter, gear oil pump, and other critical service components\u003c\/li\u003e\n\u003cli\u003eCovers water pump service, cooling system maintenance, and lubrication system needs\u003c\/li\u003e\n\u003cli\u003eDesigned for straightforward installation with standard marine tools\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 the OEM part number for this maintenance kit:\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\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\u003e8M0251128\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\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eYears\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\u003e60HP\u003c\/td\u003e\n\u003ctd\u003e1993-2014\u003c\/td\u003e\n\u003ctd\u003e0G5900000 to 0T980000 and 0T980000 to serial # starting with 1B...\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\"\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\u003e8M0251128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brand\u003c\/td\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Power\u003c\/td\u003e\n\u003ctd\u003e60HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable Years\u003c\/td\u003e\n\u003ctd\u003e1993-2014\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 for a complete service:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e47-19453T\u003c\/strong\u003e (Impeller) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19700A 2\u003c\/strong\u003e (Plate) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e893857\u003c\/strong\u003e (Water tube) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-858234\u003c\/strong\u003e (Gasket) × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28-19699\u003c\/strong\u003e (Key) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27-822189\u003c\/strong\u003e (Gasket) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27-19701\u003c\/strong\u003e (Gasket) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2642\u003c\/strong\u003e (Gasket) × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25-62702\u003c\/strong\u003e (O-ring) × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19183 3\u003c\/strong\u003e (Gasket) × 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e850055001\u003c\/strong\u003e (Thermostat) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27-827284\u003c\/strong\u003e (Thermostat Gasket) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35-877565T1\u003c\/strong\u003e (Fuel Filter) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8M007119\u003c\/strong\u003e (Drain Gasket) × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e830749\u003c\/strong\u003e (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\u003cp\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Verify all part numbers against your engine's service manual before installation to ensure proper fitment.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare the engine:\u003c\/strong\u003e Disconnect the fuel line and ensure the engine is off and cool. Remove the lower unit by loosening the mounting bolts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess the water pump:\u003c\/strong\u003e Remove the water pump housing by unscrewing the retaining bolts. Carefully separate the housing from the lower unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the old impeller:\u003c\/strong\u003e Pull out the old impeller and water tube. Inspect the impeller housing for wear or damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the new water tube and key:\u003c\/strong\u003e Insert the new water tube (893857) and position the drive shaft key (28-19699) in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit the new impeller:\u003c\/strong\u003e Lubricate the new impeller (47-19453T) with water pump grease and carefully insert it into the housing, ensuring the blades follow the correct rotation direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace all gaskets:\u003c\/strong\u003e Install the new plate (19700A 2) and replace all gaskets (12-858234, 27-822189, 27-19701, 2642) and O-rings (25-62702) as specified in the package contents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the thermostat:\u003c\/strong\u003e Remove the old thermostat and install the new one (850055001) with the new thermostat gasket (27-827284) and additional gaskets (19183 3).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace the fuel filter:\u003c\/strong\u003e Locate the fuel filter housing, remove the old filter, and install the new fuel filter (35-877565T1).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChange the gear oil:\u003c\/strong\u003e Use the included gear oil pump (24OP149) to drain old gear oil and refill with fresh marine gear oil. Replace the drain gaskets (8M007119, 830749) on all drain\/fill plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReassemble the water pump housing:\u003c\/strong\u003e Carefully align the water pump housing and tighten all bolts in a crisscross pattern to the manufacturer's torque specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReattach the lower unit:\u003c\/strong\u003e Align the lower unit with the drive shaft and secure all mounting bolts. Reconnect the fuel line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest the system:\u003c\/strong\u003e Start the engine in a test tank or on the water and verify proper water flow from the telltale (pee hole). Check for leaks around all gasket surfaces.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this maintenance kit fits my Mercury engine?\u003c\/strong\u003e\u003cbr\u003e\nVerify that your engine is a Mercury 60HP with a serial number between 0G5900000 and 0T980000, or starting with 1B... and manufactured between 1993 and 2014. You can find your serial number on the engine's mounting bracket or use the \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 for assistance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the components in this maintenance kit?\u003c\/strong\u003e\u003cbr\u003e\nMercury recommends servicing the water pump impeller annually or every 100 operating hours, whichever comes first. The thermostat should be inspected annually and replaced if corroded or damaged. The fuel filter should be replaced annually or if you notice fuel flow issues. Gear oil should be changed annually or every 100 hours, and always after submersion.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that my impeller needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nCommon symptoms include reduced or no water flow from the telltale, engine overheating, steam from the engine, or loss of power. If you notice any of these signs, inspect and replace the impeller immediately to prevent engine damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I reuse the old gaskets during installation?\u003c\/strong\u003e\u003cbr\u003e\nNo, you should never reuse old gaskets. This kit includes all necessary gaskets, O-rings, and seals. Always replace them during service to ensure proper sealing and prevent leaks that could lead to overheating or gear oil contamination.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy is the gear oil pump included in this kit?\u003c\/strong\u003e\u003cbr\u003e\nThe gear oil pump (24OP149) makes draining and refilling the lower unit gear oil much easier and cleaner. It allows you to pump fresh gear oil into the lower fill hole until it flows from the upper vent hole, ensuring proper fill level and eliminating air pockets.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nThis 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\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nWe 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\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nThis 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":52418325446969,"sku":"25KM259-2N","price":68.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KM259-2N_9c7fce67-e3fe-48f3-83d2-f7381767f8c8.png?v=1776686853","url":"https:\/\/jlmmarine.com\/ru\/products\/8m0251128-maintenance-kit-for-mercury-60hp-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}