{"product_id":"k-n-performance-electric-fuel-pump-9-11-5-psi-diesel","title":"K\u0026N 81-0403 Universal Inline Electric Fuel Pump 50 GPH 5-10 PSI","description":"\u003cmeta name=\"description\" content=\"Upgrade your vehicle with the K\u0026amp;N 81-0403 Inline Electric Fuel Pump, delivering 50 GPH for reliable, quiet fuel flow across various applications.\"\u003e\u003cmeta name=\"keywords\" content=\"K\u0026amp;N electric fuel pump, inline electric fuel pump, universal fuel pump, 50 GPH fuel pump, low pressure fuel delivery, automotive fuel pump, compact fuel pump, durable electric fuel pump, fuel pump for custom builds, quiet operation fuel pump\"\u003e\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eUniversal fit (12 V inline electric fuel pump) - compatible with most vehicles and custom builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFeatures\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eHigh-flow design rated at approximately 50 gallons per hour at 5-10 psi pressure drop\u003c\/li\u003e \u003cli\u003eUniversal mounting for a wide range of applications including gasoline, diesel, E85, methanol, and ethanol\u003c\/li\u003e \u003cli\u003eSelf-priming operation for quiet and reliable fuel delivery\u003c\/li\u003e \u003cli\u003eHelps prevent vapor lock and fuel system flooding in low-pressure systems\u003c\/li\u003e \u003cli\u003eCompact inline design allows flexible mounting positions\u003c\/li\u003e \u003cli\u003eIncludes inline filter and hardware for easy installation\u003c\/li\u003e \u003cli\u003eDurable construction engineered for long-term performance\u003c\/li\u003e \u003cli\u003eBacked by K\u0026amp;N lifetime limited replacement warranty (where applicable)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e \u003cli\u003ePart Number: 81-0403\u003c\/li\u003e \u003cli\u003eFlow Rate: ~50 GPH at 5-10 psi\u003c\/li\u003e \u003cli\u003eVoltage: 12 V DC\u003c\/li\u003e \u003cli\u003eInlet\/Outlet: 5\/16\" hose barb fittings\u003c\/li\u003e \u003cli\u003eFuel Compatibility: Gasoline, diesel, biodiesel, E85, methanol, ethanol blends\u003c\/li\u003e \u003cli\u003eCompact inline pump body with built-in or included filter\u003c\/li\u003e \u003cli\u003eIncludes mounting bracket and hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIncluded Components\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e1x K\u0026amp;N 81-0403 inline electric fuel pump\u003c\/li\u003e \u003cli\u003e1x Inline fuel filter\u003c\/li\u003e \u003cli\u003eMounting bracket and hardware kit\u003c\/li\u003e \u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003cp\u003eThe K\u0026amp;N 81-0403 Inline Electric Fuel Pump is designed to deliver high-flow, low-pressure fuel to support performance carbureted and EFI systems, custom builds, or alternative fuel applications. With a flow rate of approximately 50 gallons per hour at 5-10 psi, it ensures consistent fuel delivery to prevent vapor lock or flooding in low-pressure setups.\u003c\/p\u003e\u003cp\u003eIts compact inline design allows versatile placement in fuel lines, while the included hardware and filter simplify installation. The pump operates quietly and reliably, providing long-term durability for demanding fuel system applications.\u003c\/p\u003e\u003cp\u003eThis pump is universal, so verify your system requirements - flow rate, pressure drop, hose size, and voltage - before installation. Ideal for enthusiasts and custom builds seeking reliable, high-capacity fuel delivery in low-pressure systems.\u003c\/p\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":53362927534399,"sku":"KNN81-0403","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/7308\/9343\/files\/22929395-a2c8-4b24-8dda-da5c0ad3b795-800.jpg?v=1780090121","url":"https:\/\/wcaperformance.com\/products\/k-n-performance-electric-fuel-pump-9-11-5-psi-diesel","provider":"WCA Performance","version":"1.0","type":"link"}