{"product_id":"vro-conversion-fuel-pump-fits-johnson-evinrude-omc-120hp-300hp-v4-v6-v8-replaces-5004558-435953-174566-0438400","title":"VRO Conversion Fuel Pump – Fits Johnson Evinrude OMC 120HP-300HP V4 V6 V8 (Replaces 5004558, 435953, 174566, 0438400)","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\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  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\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 \u003cstrong\u003eVRO Conversion Fuel Pump – Fits Johnson Evinrude OMC 120HP-300HP V4 V6 V8\u003c\/strong\u003e is engineered for Evinrude and Johnson marine outboards requiring VRO system elimination. Compatible with 120–300 HP models including V4 Looper configurations and V6\/V8 crossflow engines, this fuel-only pump allows reliable operation when the original VRO system fails.\u003c\/p\u003e\n\u003cp\u003eDesigned as a direct replacement for OEM part numbers 5004558, 435953, 174566, and 0438400, this conversion pump eliminates the need for costly VRO repairs while restoring fuel delivery to your outboard.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFuel-only pump design—requires 50:1 premix (1 pint oil to 6 gallons gas) in your fuel tank\u003c\/li\u003e\n\u003cli\u003eMounts using your existing VRO bracket (modification may be required)\u003c\/li\u003e\n\u003cli\u003eEliminates VRO system complexity and common failure points\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 \/ OMC\u003c\/td\u003e\n        \u003ctd\u003e5004558\u003c\/td\u003e\n        \u003ctd\u003ePrimary OEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson \/ Evinrude \/ OMC\u003c\/td\u003e\n        \u003ctd\u003e435953\u003c\/td\u003e\n        \u003ctd\u003eOEM interchange\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson \/ Evinrude \/ OMC\u003c\/td\u003e\n        \u003ctd\u003e174566\u003c\/td\u003e\n        \u003ctd\u003eOEM interchange\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson \/ Evinrude \/ OMC\u003c\/td\u003e\n        \u003ctd\u003e0438400\u003c\/td\u003e\n        \u003ctd\u003eOEM interchange\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\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\u003eEngine Type\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 \/ Johnson\u003c\/td\u003e\n        \u003ctd\u003eMarine V6 \/ V8\u003c\/td\u003e\n        \u003ctd\u003e200 HP\u003c\/td\u003e\n        \u003ctd\u003eV6 or V8\u003c\/td\u003e\n        \u003ctd\u003eWith sick VRO requiring rebuild\/repair\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude \/ Johnson\u003c\/td\u003e\n        \u003ctd\u003eMarine V6 \/ V8\u003c\/td\u003e\n        \u003ctd\u003e225 HP\u003c\/td\u003e\n        \u003ctd\u003eV6 or V8\u003c\/td\u003e\n        \u003ctd\u003eWith sick VRO requiring rebuild\/repair\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude \/ Johnson\u003c\/td\u003e\n        \u003ctd\u003eMarine V6 \/ V8\u003c\/td\u003e\n        \u003ctd\u003e250 HP\u003c\/td\u003e\n        \u003ctd\u003eV6 or V8\u003c\/td\u003e\n        \u003ctd\u003eWith sick VRO requiring rebuild\/repair\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude \/ Johnson\u003c\/td\u003e\n        \u003ctd\u003eMarine V6 \/ V8\u003c\/td\u003e\n        \u003ctd\u003e300 HP\u003c\/td\u003e\n        \u003ctd\u003eV6 or V8\u003c\/td\u003e\n        \u003ctd\u003eWith sick VRO requiring rebuild\/repair\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude \/ Johnson\u003c\/td\u003e\n        \u003ctd\u003eMarine Looper V4\u003c\/td\u003e\n        \u003ctd\u003e120 HP\u003c\/td\u003e\n        \u003ctd\u003eV4 Looper\u003c\/td\u003e\n        \u003ctd\u003eVRO rebuild application\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude \/ Johnson\u003c\/td\u003e\n        \u003ctd\u003eMarine Looper V4\u003c\/td\u003e\n        \u003ctd\u003e130 HP\u003c\/td\u003e\n        \u003ctd\u003eV4 Looper\u003c\/td\u003e\n        \u003ctd\u003eVRO rebuild application\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude \/ Johnson\u003c\/td\u003e\n        \u003ctd\u003eMarine Looper V4\u003c\/td\u003e\n        \u003ctd\u003e140 HP\u003c\/td\u003e\n        \u003ctd\u003eV4 Looper\u003c\/td\u003e\n        \u003ctd\u003eVRO rebuild application\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\u003ePump Type\u003c\/dt\u003e\n  \u003cdd\u003eFuel-only (non-VRO)\u003c\/dd\u003e\n  \u003cdt\u003eOil Mixing Requirement\u003c\/dt\u003e\n  \u003cdd\u003e50:1 premix (1 pint oil to 6 gallons gas)\u003c\/dd\u003e\n  \u003cdt\u003eMounting\u003c\/dt\u003e\n  \u003cdd\u003eUses existing VRO bracket (modification required)\u003c\/dd\u003e\n  \u003cdt\u003eOEM Equivalents\u003c\/dt\u003e\n  \u003cdd\u003e5004558, 435953, 174566, 0438400\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eJohnson, Evinrude, OMC 120–300 HP V4\/V6\/V8 outboards\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\u003cstrong\u003e1 × Fuel Pump\u003c\/strong\u003e (conversion unit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect battery and relieve fuel system pressure before beginning work.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing VRO pump assembly from the mounting bracket.\u003c\/li\u003e\n  \u003cli\u003eModify the existing VRO bracket as needed to accommodate the new fuel-only pump.\u003c\/li\u003e\n  \u003cli\u003eInstall the conversion fuel pump onto the modified bracket and secure with appropriate hardware.\u003c\/li\u003e\n  \u003cli\u003eConnect fuel supply lines to the pump inlet and outlet ports, ensuring all connections are tight and leak-free.\u003c\/li\u003e\n  \u003cli\u003eBypass or remove the VRO oil injection system components as they will no longer be used.\u003c\/li\u003e\n  \u003cli\u003ePrepare your fuel supply by premixing oil and gasoline at a 50:1 ratio (1 pint of two-stroke oil per 6 gallons of gasoline).\u003c\/li\u003e\n  \u003cli\u003ePrime the fuel system, inspect all connections for leaks, and test-run the engine in a controlled environment before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this pump work if I still have the VRO system installed?\u003c\/summary\u003e\n  \u003cp\u003eThis conversion pump is designed to replace a failed or problematic VRO system. It pumps fuel only and does not inject oil. You must premix your fuel at 50:1 and bypass or remove the VRO oil injection components.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat fuel\/oil ratio should I use after installing this pump?\u003c\/summary\u003e\n  \u003cp\u003eAlways premix at 50:1—that's 1 pint of two-stroke outboard oil to every 6 gallons of gasoline. Do not rely on oil injection; this pump does not provide it.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this kit include the mounting bracket?\u003c\/summary\u003e\n  \u003cp\u003eNo. You must reuse your existing VRO mounting bracket. Modification of the bracket may be required to properly secure the new fuel pump.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my VRO system has failed?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms include oil starvation, engine seizure, erratic oil delivery, fuel delivery inconsistency, or warning alarms. If you suspect VRO failure, inspect the system immediately and consider conversion to premix for reliability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this on a crossflow 150, 175, 185, 200, or 235 HP engine?\u003c\/summary\u003e\n  \u003cp\u003eYes. This pump is compatible with large crossflow V6 and V8 models in the 120–300 HP range, including 150, 175, 185, 200, and 235 HP engines with VRO systems.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the difference between this and the original VRO pump?\u003c\/summary\u003e\n  \u003cp\u003eThe original VRO pump meters both fuel and oil automatically. This conversion pump delivers fuel only, eliminating VRO complexity and failure-prone oil metering. You gain simplicity and reliability, but must premix fuel manually.\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 against 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\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":51025603559739,"sku":"21FP008","price":128.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12_032cb8a9-319d-4d52-b551-1f57d7e76d34.jpg?v=1772927969","url":"https:\/\/seasierra.com\/products\/vro-conversion-fuel-pump-fits-johnson-evinrude-omc-120hp-300hp-v4-v6-v8-replaces-5004558-435953-174566-0438400","provider":"SeaSierra","version":"1.0","type":"link"}