{"product_id":"5001594-water-pump-repair-kit-for-johnson-evinrude-jlm-marine","title":"5001594 Water Pump Repair Kit for Johnson\/Evinrude | JLM Marine","description":"\u003ch2\u003eWater Pump Repair Kit for Johnson\/Evinrude 120-140 HP Outboards (1985-1993)\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive water pump repair kit is engineered for Johnson\/Evinrude outboard engines ranging from 120 HP to 140 HP, covering model years 1985 through 1993 (including S Suffix models). Designed to restore optimal cooling system performance, this kit provides all essential components for a complete water pump overhaul and routine maintenance.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces OEM part number \u003cstrong\u003e5001594\u003c\/strong\u003e, ensuring proper fitment and reliable operation. It includes the water pump repair kit, thermostats, fuel filter, drain screw gaskets, and a gear oil pump—everything needed for comprehensive lower unit service.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete water pump service solution with thermostat and fuel filter replacements\u003c\/li\u003e\n\u003cli\u003eIncludes gear oil pump for full lower unit maintenance capability\u003c\/li\u003e\n\u003cli\u003eFits both 120 HP and 140 HP Johnson\/Evinrude 2-stroke outboards\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\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e5001594\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\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\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e120 HP\u003c\/td\u003e\n\u003ctd\u003e1985-1992, 1993 (S Suffix)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e125 HP\u003c\/td\u003e\n\u003ctd\u003e1989-1992\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e140 HP\u003c\/td\u003e\n\u003ctd\u003e1985-1992, 1993 (S Suffix)\u003c\/td\u003e\n\u003ctd\u003e\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 Number\u003c\/td\u003e\n\u003ctd\u003e5001594\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand Compatibility\u003c\/td\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorsepower Range\u003c\/td\u003e\n\u003ctd\u003e120 HP, 125 HP, 140 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYear Range\u003c\/td\u003e\n\u003ctd\u003e1985-1993\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 comprehensive maintenance kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e435929 5001595\u003c\/strong\u003e – Water Pump Repair Kit × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e434137\u003c\/strong\u003e – Thermostat × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e398319\u003c\/strong\u003e – Fuel Filter × 1  \u003ca href=\"https:\/\/jlmmarine.com\/products\/3-8-inch-inline-fuel-filter-for-johnson-evinrude-18-7831\" target=\"_blank\"\u003eView Part →\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e311598\u003c\/strong\u003e – Drain Screw 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 Disconnect the fuel line and remove the propeller. Tilt the engine fully upward and drain the lower unit gear oil completely using the drain screw.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove Lower Unit:\u003c\/strong\u003e Disconnect the shift linkage and remove all mounting bolts securing the lower unit to the midsection. Carefully separate the lower unit from the engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess Water Pump:\u003c\/strong\u003e Remove the water pump housing bolts and carefully lift off the housing. Note the orientation of all components for reassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove Old Components:\u003c\/strong\u003e Extract the old impeller, wear plate, and gaskets. Inspect the pump housing and driveshaft for scoring or corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall New Water Pump Kit:\u003c\/strong\u003e Apply marine grease to the new impeller vanes and insert it onto the driveshaft with vanes oriented correctly. Install the new wear plate and gaskets from kit 5001595.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace Thermostats:\u003c\/strong\u003e Remove the thermostat cover and replace both old thermostats with the new 434137 thermostats included. Ensure proper seating and gasket placement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Fuel Filter:\u003c\/strong\u003e Locate the inline fuel filter connection and replace the old filter with the new 398319 fuel filter. Secure all clamps tightly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReassemble Water Pump Housing:\u003c\/strong\u003e Reinstall the water pump housing, ensuring all bolts are torqued to manufacturer specifications. Double-check gasket alignment to prevent leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall Lower Unit:\u003c\/strong\u003e Reconnect the shift linkage and carefully align the lower unit with the midsection. Install and torque all mounting bolts evenly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefill Gear Oil:\u003c\/strong\u003e Using the included 24OP149 gear oil pump and new 311598 drain screw gaskets, refill the lower unit with fresh gear oil until it flows from the vent hole. Install both drain plugs with new gaskets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Checks:\u003c\/strong\u003e Reinstall the propeller and reconnect the fuel line. Start the engine in a test tank or on muffs and verify strong water flow from the telltale indicator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Run:\u003c\/strong\u003e Run the engine at idle for 5-10 minutes, checking for leaks around the water pump housing and lower unit seals. Monitor engine temperature to confirm proper cooling.\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 know if my water pump needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common signs include weak or no water flow from the telltale indicator, engine overheating, steam from the powerhead, or loss of power. If your impeller is cracked, missing vanes, or hardened, immediate replacement is necessary.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the water pump kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Most manufacturers recommend replacing the water pump impeller every 2-3 years or 200-300 hours of operation, whichever comes first. If you operate in sandy or silty water, more frequent replacement may be needed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Why are two thermostats included in this kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Johnson\/Evinrude V4 and V6 outboards in this horsepower range use dual thermostats to regulate cooling system temperature evenly across both cylinder banks, ensuring optimal engine performance and longevity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old gaskets and seals?\u003c\/strong\u003e\u003cbr\u003e\nA: No, always replace all gaskets and seals during water pump service. Reusing old gaskets can lead to leaks, air intrusion into the cooling system, and potential engine damage from overheating.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between OEM and aftermarket water pump kits?\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":52418217705785,"sku":"25KO233","price":78.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KO233_a6a469d8-3334-41c8-aaf4-da1b1f3f7051.png?v=1776686759","url":"https:\/\/jlmmarine.com\/es\/products\/5001594-water-pump-repair-kit-for-johnson-evinrude-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}