{"product_id":"fuel-pump-fits-johnson-evinrude-25-140-hp-outboard-motors-replaces-438559-438557-343462-etc","title":"Fuel Pump – Fits Johnson\/Evinrude 25-140 HP Outboard Motors (Replaces 438559, 438557, 343462, etc.)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis is an aftermarket \u003cstrong\u003eFuel Pump – Fits Johnson\/Evinrude 25-140 HP Outboard Motors (Replaces 438559)\u003c\/strong\u003e, engineered as a direct replacement for engines requiring a 3-nipple fuel pump configuration. It is designed to restore original fuel system performance for a wide range of Johnson and Evinrude outboard models.\u003c\/p\u003e\n\u003cp\u003eThis component serves as a direct interchange for Johnson\/Evinrude part numbers 438559, 438557, 343462, 0438559, 0438558, and 5005462.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls as a direct OEM-style replacement.\u003c\/li\u003e\n\u003cli\u003eFeatures a 3-nipple connection for fuel in, fuel out, and a vacuum pulse line.\u003c\/li\u003e\n\u003cli\u003eOperates as a mechanical pulse-driven fuel pump.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \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\u003e438559\u003c\/td\u003e\n        \u003ctd\u003ePrimary Replacement\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e438557\u003c\/td\u003e\n        \u003ctd\u003eInterchangeable\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e343462\u003c\/td\u003e\n        \u003ctd\u003eInterchangeable\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e0438559\u003c\/td\u003e\n        \u003ctd\u003eInterchangeable\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e0438558\u003c\/td\u003e\n        \u003ctd\u003eInterchangeable\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e5005462\u003c\/td\u003e\n        \u003ctd\u003eInterchangeable\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eThis fuel pump fits a wide variety of Johnson and Evinrude outboard motors from 25 HP to 140 HP, plus specific Crossflow engines. Please verify your engine has a 3-nipple fuel pump before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\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\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e85\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e88\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e105\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e135\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e140\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003e3-nipple configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eCrossflow engines\u003c\/td\u003e\n\u003ctd\u003e140, 155, 175, 185, 200, 235\u003c\/td\u003e\n\u003ctd\u003e438559\u003c\/td\u003e\n\u003ctd\u003eSpecific to Crossflow engine designs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eOutboard Engine Fuel Pump\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect OEM replacement\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003e3-nipple configuration\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003e3 fuel line nipples\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eMechanical fuel pump with pulse line\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1\u003c\/span\u003e x Outboard Fuel Pump (438559)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery negative terminal for safety.\u003c\/li\u003e\n  \u003cli\u003ePlace a rag under the fuel pump to catch any gasoline spills.\u003c\/li\u003e\n  \u003cli\u003eCarefully disconnect the fuel inlet, fuel outlet, and pulse vacuum lines from the old pump. Note their positions.\u003c\/li\u003e\n  \u003cli\u003eRemove the mounting bolts securing the old fuel pump and remove the pump.\u003c\/li\u003e\n  \u003cli\u003eClean the mounting surface and inspect the gasket area. Replace gaskets if necessary.\u003c\/li\u003e\n  \u003cli\u003eMount the new fuel pump, ensuring it is correctly oriented. Secure it with the original mounting bolts.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel and pulse lines to their corresponding nipples on the new pump. Ensure connections are tight.\u003c\/li\u003e\n  \u003cli\u003ePrime the fuel system if required by your engine manufacturer.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery, start the engine, and carefully check for any fuel leaks around the pump and its fittings.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm this fuel pump is correct for my motor?\u003c\/summary\u003e\n  \u003cp\u003eVerify three things: 1) Your engine is a Johnson or Evinrude model within the 25-140 HP range. 2) Your current fuel pump has a 3-nipple configuration (fuel in, fuel out, pulse line). 3) Your old part number is listed in our Part Number Matrix, such as 438559 or 438557.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the symptoms of a bad fuel pump?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs include the engine having trouble starting, bogging down or losing power under acceleration, sputtering at high speeds, or stalling completely. These issues occur when the pump can no longer supply the carburetor with a consistent and adequate flow of fuel.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this to replace a VRO pump?\u003c\/summary\u003e\n  \u003cp\u003eYes, this mechanical pulse pump is commonly used to bypass the fuel delivery side of a failing or disconnected VRO (Variable Ratio Oiling) pump. If you perform this conversion, you must pre-mix your gasoline and 2-stroke oil in the fuel tank according to your engine's specifications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the 'pulse line' for?\u003c\/summary\u003e\n  \u003cp\u003eThe pulse line connects the fuel pump to the engine's crankcase. The alternating pressure (pulse) created by the piston's movement inside the crankcase actuates a diaphragm inside the pump, which in turn draws fuel from the tank and pushes it to the carburetor.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs there any maintenance required for this pump?\u003c\/summary\u003e\n  \u003cp\u003eThese pumps are sealed units and are not serviceable; they are designed to be replaced when they fail. To extend its service life, always use fresh fuel, a clean fuel tank, and replace your fuel filters at recommended intervals to prevent debris from damaging the internal diaphragm.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717910335803,"sku":"17FP009R(不带垫片)","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17FP009R.png?v=1762938218","url":"https:\/\/seasierra.com\/products\/fuel-pump-fits-johnson-evinrude-25-140-hp-outboard-motors-replaces-438559-438557-343462-etc","provider":"SeaSierra","version":"1.0","type":"link"}