{"product_id":"fleece-powerflo-in-tank-fuellift-pump-fpe-34790-2007-5-2010-6-6l-duramax-lmm","title":"FLEECE POWERFLO IN-TANK FUELLIFT PUMP FPE-34790 | 2007.5-2010 6.6L DURAMAX LMM","description":"\u003cp\u003eUpgrade the fuel delivery system in your GM 6.6L Duramax LMM with the Fleece Performance FPE-34789 PowerFlo Lift Pump. Designed as a direct in-tank replacement for the factory pump, the PowerFlo provides increased fuel flow to support applications producing up to approximately \u003cstrong\u003e800 RWHP\u003c\/strong\u003e while maintaining a clean, factory-style installation.\u003c\/p\u003e\n\n\u003cp\u003eThe PowerFlo utilizes \u003cstrong\u003edual OEM-quality gerotor pumps\u003c\/strong\u003e for increased flow capacity and reliable fuel delivery. Because the pump installs inside the factory fuel tank, it retains the factory fuel lines, Water-In-Fuel sensor, and fuel heater while providing quiet operation compared to many frame-mounted lift pump systems.\u003c\/p\u003e\n\n\u003cp\u003eFleece's \u003cstrong\u003eactive fill bucket technology\u003c\/strong\u003e maintains fuel around the pumps and eliminates the need for a tank sump or draw straw. This design also helps prevent the quarter-tank fuel delivery issues commonly associated with some aftermarket high-flow fuel systems.\u003c\/p\u003e\n\n\u003cp\u003eFor custom fuel system configurations, the pump outlet and return ports are threaded to accept \u003cstrong\u003e-8 O-ring fittings with 3\/4\"-16 threads\u003c\/strong\u003e. This allows aftermarket fuel lines or filtration components to be incorporated while retaining the benefits of the in-tank PowerFlo system.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect in-tank replacement\u003c\/strong\u003e – Designed as a drop-in replacement for the factory lift pump\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual gerotor pumps\u003c\/strong\u003e – Uses two OEM-quality pumps for increased flow capacity and reliability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupports up to approximately 800 RWHP\u003c\/strong\u003e – Provides increased fuel delivery for high-performance applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive fill bucket technology\u003c\/strong\u003e – Maintains fuel supply without requiring a tank sump or draw straw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelps eliminate quarter-tank issues\u003c\/strong\u003e – Designed for consistent fuel delivery at lower tank levels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet in-tank operation\u003c\/strong\u003e – Avoids the noise associated with many frame-mounted lift pumps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetains factory components\u003c\/strong\u003e – Works with the factory fuel lines, Water-In-Fuel sensor, and fuel heater\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo sump or draw straw required\u003c\/strong\u003e – Provides a clean installation without cutting into the fuel tank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAftermarket fuel system compatible\u003c\/strong\u003e – Outlet and return ports accept -8 O-ring fittings with 3\/4\"-16 threads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBiodiesel compatible\u003c\/strong\u003e – Validated for use with fuel blends containing up to 20% biodiesel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump Type:\u003c\/strong\u003e Dual Gerotor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Capability:\u003c\/strong\u003e Up to Approximately 800 RWHP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Pressure:\u003c\/strong\u003e 10–13 PSI at Idle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Location:\u003c\/strong\u003e In-Tank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutlet\/Return Port:\u003c\/strong\u003e -8 O-Ring Compatible, 3\/4\"-16 Thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Tank Configuration:\u003c\/strong\u003e Single Tank Only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBiodiesel Compatibility:\u003c\/strong\u003e Up to B20\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eFor use with single fuel tank configurations only.\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned for pickup-style trucks.\u003c\/strong\u003e Cab \u0026amp; Chassis applications require verification of the correct pump part number.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eNot compatible with S\u0026amp;B aftermarket fuel tanks.\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003eFor use with Titan aftermarket fuel tanks, reference current Fleece Performance fitment information.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e GM 6.6L Duramax LMM Pickup Trucks\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e FPE-34789\u003c\/p\u003e","brand":"Fleece Performance Engineering","offers":[{"title":"Default Title","offer_id":54082078245147,"sku":"FPE-34790","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-10-02at10.45.10AM.png?v=1790978397","url":"https:\/\/wwmperformance.com\/products\/fleece-powerflo-in-tank-fuellift-pump-fpe-34790-2007-5-2010-6-6l-duramax-lmm","provider":"WWM Performance","version":"1.0","type":"link"}