{"product_id":"5000308-maintenance-kit-for-evinrude-40hp-50hp-55hp-60hp-65hp-jlm-marine","title":"5000308 Maintenance Kit for Evinrude 40HP 50HP 55HP 60HP 65HP | JLM Marine","description":"\u003ch2\u003eMaintenance Kit for Evinrude 40HP 50HP 55HP 60HP 65HP | OEM 5000308\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is designed for \u003cstrong\u003eEvinrude outboard engines\u003c\/strong\u003e ranging from \u003cstrong\u003e40HP to 65HP\u003c\/strong\u003e, covering model years \u003cstrong\u003e2004–2020\u003c\/strong\u003e. Engineered to deliver reliable performance, this kit provides all the essential components needed for routine maintenance and service intervals.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces OEM part number \u003cstrong\u003e5000308\u003c\/strong\u003e, ensuring seamless compatibility with your Evinrude outboard. It includes critical components such as the water pump impeller, thermostat, fuel filter, anode, and gear oil pump—everything required to keep your engine running smoothly.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete maintenance solution with \u003cstrong\u003e11 components\u003c\/strong\u003e for comprehensive engine service\u003c\/li\u003e\n  \u003cli\u003eIncludes water pump components, thermostat, fuel filter, anode, and gear oil pump\u003c\/li\u003e\n  \u003cli\u003eFits multiple horsepower ratings across a 16-year production span\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\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003cth\u003ePart Number\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\u003eEvinrude\u003c\/td\u003e\n      \u003ctd\u003e5000308\u003c\/td\u003e\n      \u003ctd\u003eOEM Reference\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 Johnson\/Evinrude owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/johnson-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eJohnson\/Evinrude Serial Number Guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude\u003c\/td\u003e\n        \u003ctd\u003e40HP\u003c\/td\u003e\n        \u003ctd\u003e2004-2020\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude\u003c\/td\u003e\n        \u003ctd\u003e50HP\u003c\/td\u003e\n        \u003ctd\u003e2004-2020\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude\u003c\/td\u003e\n        \u003ctd\u003e55HP\u003c\/td\u003e\n        \u003ctd\u003e2008-2020\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude\u003c\/td\u003e\n        \u003ctd\u003e60HP\u003c\/td\u003e\n        \u003ctd\u003e2005-2020\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude\u003c\/td\u003e\n        \u003ctd\u003e65HP\u003c\/td\u003e\n        \u003ctd\u003e2008-2020\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\"\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\u003e5000308\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBrand Compatibility\u003c\/td\u003e\n      \u003ctd\u003eEvinrude\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHorsepower Range\u003c\/td\u003e\n      \u003ctd\u003e40HP, 50HP, 55HP, 60HP, 65HP\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYear Range\u003c\/td\u003e\n      \u003ctd\u003e2004-2020\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKit Type\u003c\/td\u003e\n      \u003ctd\u003eComprehensive 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\u003e396725 \/ 396723 Impeller\u003c\/strong\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e334897 Impeller Key\u003c\/strong\u003e × 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e336530 Gasket\u003c\/strong\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e324981 Seal\u003c\/strong\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e319275 Wear Plate\u003c\/strong\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e340619 Insert Cup\u003c\/strong\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5005440 Thermostat\u003c\/strong\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5005266 Fuel Filter\u003c\/strong\u003e × 1 \u003ca href=\"https:\/\/jlmmarine.com\/products\/fuel-filter-fits-johnson-evinrude-omc-outboard-motors-replaces-5005266-5007326-5007335\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e436745 Anode\u003c\/strong\u003e × 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e311598 Drain Screw 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\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 complete compatibility.\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 Disconnect the fuel line and ensure the engine is off and cool. Gather necessary tools including screwdrivers, wrenches, and a drain pan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Pump Service:\u003c\/strong\u003e Remove the lower unit by loosening mounting bolts. Extract the old water pump housing and impeller assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall Impeller Components:\u003c\/strong\u003e Insert the new impeller key into the driveshaft slot, then slide the new impeller onto the shaft with blades oriented correctly. Apply marine grease to the impeller blades to ease installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall Gaskets and Seals:\u003c\/strong\u003e Place the new gasket and wear plate into position on the pump housing. Install the seal and insert cup according to your service manual specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReassemble Water Pump:\u003c\/strong\u003e Carefully reinstall the lower unit, ensuring all components align properly. Torque mounting bolts to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Thermostat:\u003c\/strong\u003e Locate the thermostat housing on the cylinder head and remove the cover. Install the new thermostat with the spring side facing down, then reinstall the cover with a new gasket.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Fuel Filter:\u003c\/strong\u003e Disconnect fuel lines from the old filter and replace with the new fuel filter. Ensure connections are secure and check for leaks before starting the engine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall Anode:\u003c\/strong\u003e Remove the old sacrificial anode from the lower unit and replace with the new anode. Tighten securely but do not overtighten.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChange Gear Oil:\u003c\/strong\u003e Remove the drain and vent screws and allow old gear oil to drain completely. Use the included gear oil pump to refill through the lower drain hole until oil appears at the upper vent hole.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall Drain Screw Gaskets:\u003c\/strong\u003e Place new drain screw gaskets on both drain and vent screws before reinstalling them. Tighten to proper torque specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal Inspection:\u003c\/strong\u003e Double-check all connections, bolts, and fittings for proper tightness. Reconnect the fuel line and run the engine in water to verify proper water flow and operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest Run:\u003c\/strong\u003e Monitor engine temperature and check for leaks during the first few minutes of operation. Verify strong water flow from the telltale port.\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 specific Evinrude engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's horsepower rating and year with the compatibility table above. Verify the OEM part number 5000308 matches your engine's service manual specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the components in this maintenance kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Most manufacturers recommend replacing the water pump impeller annually or every 100 operating hours, whichever comes first. The thermostat, fuel filter, and anode should be inspected during each service interval and replaced as needed or per your engine's maintenance schedule.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my water pump impeller needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include reduced water flow from the telltale port, engine overheating, weak or intermittent water stream, or visible cracks and missing blades on the impeller during inspection. If you notice any of these signs, replace the impeller immediately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this kit myself or do I need a professional?\u003c\/strong\u003e\u003cbr\u003e\nA: If you have mechanical experience and the proper tools, you can perform this maintenance yourself by following the installation guide and your engine's service manual. However, professional installation is recommended to ensure all components are correctly installed and torqued to specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include gear oil or just the oil pump?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit includes the gear oil pump tool only; gear oil must be purchased separately. Consult your engine's service manual for the correct oil type and capacity.\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":52418201157945,"sku":"25KO215","price":68.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KO215_1ff45825-70c3-482e-8dd3-582afc8cd752.png?v=1776845689","url":"https:\/\/jlmmarine.com\/es\/products\/5000308-maintenance-kit-for-evinrude-40hp-50hp-55hp-60hp-65hp-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}