{"product_id":"cummins-onan-a076a384-rv-generator-fuel-pump-qg-4000-ky-j-kyd","title":"Cummins Onan A076A384 RV Generator Fuel Pump | QG 4000, KY J+, KYD","description":"\u003cp\u003eRestore fuel delivery to your Cummins Onan RV generator with the \u003cstrong\u003eCummins Onan A076A384 Fuel Pump\u003c\/strong\u003e — a \u003cstrong\u003egenuine low-pressure electric fuel pump\u003c\/strong\u003e for RV QG 4000, KY Spec J and later, and KYD series generators. Available at The RV Surplus.\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ CRITICAL — Verify Spec Letter Before Ordering\u003c\/h3\u003e\n\u003cp\u003eThis pump is \u003cstrong\u003eNOT universal across all Onan generators\u003c\/strong\u003e. The KY series split at Spec J:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eKY Spec J and LATER → A076A384 (this pump)\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eKY Spec A through H → different pump (149-2311-01) — DO NOT substitute\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFind the spec letter on your generator's nameplate before ordering.\u003c\/strong\u003e The nameplate also lists the generator model and serial number — have all three handy if you need to call Cummins Onan to confirm fitment.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ Commonly Listed Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eOnan RV QG 4000\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eOnan KY Spec J and later\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnan KYD series\u003c\/strong\u003e generator applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⭐ Part Number History — Supersedes Four Earlier Pumps\u003c\/h3\u003e\n\u003cp\u003eA076A384 is the \u003cstrong\u003ecurrent replacement for several older Onan fuel pump numbers\u003c\/strong\u003e. If your existing pump carries any of these, this is the correct supersession:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eA064S966\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eA047N926\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eA029F889\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e149-2311-02\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Before Replacing the Pump — Rule Out Other Fuel System Faults\u003c\/h3\u003e\n\u003cp\u003eFuel pumps are a common blame target but often not the actual fault. Work through these first:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClogged fuel filter\u003c\/strong\u003e — the cheapest fix of all, often overlooked\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStale or old fuel\u003c\/strong\u003e — gasoline degrades in months, especially with ethanol\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCracked or kinked fuel line\u003c\/strong\u003e — pulls air, chokes flow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow RV fuel tank level\u003c\/strong\u003e — most RV generators cut off well above empty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlown fuse, loose connector, or bad ground\u003c\/strong\u003e on the pump circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarburetor issues\u003c\/strong\u003e — gummed jets won't pass fuel the pump is delivering\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerator control board faults\u003c\/strong\u003e — may be preventing pump run entirely\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⭐ Fuel Pump Fitment Checklist\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eWhat to Verify\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenerator Family\u003c\/td\u003e\n\u003ctd\u003eRV QG 4000 \/ KY \/ KYD applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKY Spec Letter\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eJ or later ONLY\u003c\/strong\u003e — A-H uses different pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOld Pump Part Number\u003c\/td\u003e\n\u003ctd\u003eShould be A064S966, A047N926, A029F889, or 149-2311-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel System Type\u003c\/td\u003e\n\u003ctd\u003eLow-pressure electric pump system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Fuel System Items\u003c\/td\u003e\n\u003ctd\u003eInspect filter, line, clamps, wiring before replacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eDo NOT confirm fuel pump fitment by appearance alone — pumps that look similar may have different pressure ratings or flow rates and will not work interchangeably.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ Fuel System Troubleshooting Guide\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSymptom\u003c\/th\u003e\n\u003cth\u003ePossible Pump Issue\u003c\/th\u003e\n\u003cth\u003eOther Causes to Check\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCranks but won't start\u003c\/td\u003e\n\u003ctd\u003ePump not delivering fuel\u003c\/td\u003e\n\u003ctd\u003eLow fuel level, clogged filter, stale fuel, carburetor, ignition, control fault\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarts then shuts down\u003c\/td\u003e\n\u003ctd\u003eWeak pump failing under load\u003c\/td\u003e\n\u003ctd\u003eRestricted line, clogged filter, overheating, low oil shutdown, carburetor, fault codes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo pump sound \/ no fuel\u003c\/td\u003e\n\u003ctd\u003ePump motor failed\u003c\/td\u003e\n\u003ctd\u003eNo power to pump, blown fuse, loose connector, bad ground, control board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntermittent running\u003c\/td\u003e\n\u003ctd\u003eWeak or heat-sensitive pump\u003c\/td\u003e\n\u003ctd\u003eFuel line air leak, dirty carburetor, loose wiring, tank vent issue, old fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel leak near pump\u003c\/td\u003e\n\u003ctd\u003ePump body or fittings leaking\u003c\/td\u003e\n\u003ctd\u003eCracked line, loose clamp, damaged connector, deteriorated hose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e⚠️ Installation Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFuel system work requires fuel system safety.\u003c\/strong\u003e Work in a well-ventilated area away from sparks, flames, or ignition sources. Shut down the generator and allow it to cool fully before starting.\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfirm compatibility\u003c\/strong\u003e — verify generator model, spec letter, and existing pump part number BEFORE removing anything\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure the fuel system\u003c\/strong\u003e per the generator service procedure; prepare for fuel drips\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhotograph wiring and fuel line routing\u003c\/strong\u003e before disconnecting anything — reference during reinstall\u003c\/li\u003e\n  \u003cli\u003eDisconnect electrical connector and fuel lines from the old pump\u003c\/li\u003e\n  \u003cli\u003eRemove existing pump from its mounting location\u003c\/li\u003e\n  \u003cli\u003eInstall new pump in correct orientation; reconnect fuel lines and wiring\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePrime or run per service procedure and inspect ALL fuel connections for leaks\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003eStart generator and confirm stable running under appropriate load\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIf you're not comfortable working on generator fuel systems, have a qualified RV technician perform the replacement.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e(1) Cummins Onan A076A384 fuel pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNOT included — may also need:\u003c\/strong\u003e fuel filter, fuel line or clamps, mounting hardware (if existing is damaged), electrical connectors (if existing wiring is damaged), carburetor or other fuel system service parts. Inspect everything before you order.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ Have These Ready If You Need to Call Cummins Onan\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGenerator model number\u003c\/li\u003e\n  \u003cli\u003eSpec letter\u003c\/li\u003e\n  \u003cli\u003eSerial number\u003c\/li\u003e\n  \u003cli\u003eExisting fuel pump part number, if visible\u003c\/li\u003e\n  \u003cli\u003eFuel type and generator series\u003c\/li\u003e\n  \u003cli\u003eDescription of the symptom you're diagnosing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Cummins Onan\u003c\/li\u003e\n  \u003cli\u003ePart Number: A076A384\u003c\/li\u003e\n  \u003cli\u003eComponent Type: RV Generator Fuel Pump\u003c\/li\u003e\n  \u003cli\u003ePump Type: Low-Pressure Electric\u003c\/li\u003e\n  \u003cli\u003eCommon Applications: Onan RV QG 4000, KY Spec J and Later, KYD Series\u003c\/li\u003e\n  \u003cli\u003eSupersedes: A064S966, A047N926, A029F889, 149-2311-02\u003c\/li\u003e\n  \u003cli\u003e⚠️ KY Spec A-H Uses Different Pump: 149-2311-01 (do NOT substitute)\u003c\/li\u003e\n  \u003cli\u003eUnit Weight: ~1.13 lb\u003c\/li\u003e\n  \u003cli\u003eUniversal Fit: No — verify generator model, spec letter, and existing pump number\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cummins Onan","offers":[{"title":"Default Title","offer_id":58665160212783,"sku":null,"price":404.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/A076A384-2T.jpg?v=1792147090","url":"https:\/\/thervsurplus.com\/en-ca\/products\/cummins-onan-a076a384-rv-generator-fuel-pump-qg-4000-ky-j-kyd","provider":"The RV Surplus","version":"1.0","type":"link"}