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769
Part #: FPE-34789
Fleece FPE-34789 PowerFlo In-Tank Lift Pump
★★★★★
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Description
Enhance the fuel delivery to your 2004.5-2007 GM 6.6L Duramax engine with the Fleece FPE-34789 PowerFlo Lift Pump. The Fleece PowerFlo Lift Pump Series functions as a replacement style lift pump that installs directly in your fuel tank. This direct replacement can support up to 800HP! Because this pump installs in your tank like an OE style pump, it retains all your factory components like your water-in-fuel sensor, factory fuel heater, fuel lines, and it installs in less time than other lift pumps. No cutting holes, no noisy frame mounted pumps, and no quarter-tank issues thanks to the active fill bucket design.
Dual Gerotor Design:
Two is always better than one. The PowerFlo Lift Pump has two OEM quality gerotor pumps to increase flow and reliability over the factory pump. The Dual Pump design is capable of supporting up to 800 HP and supports the use of dual CP3 pump configurations.
Seamless Integration:
The active fill bucket eliminates the need to install a fuel tank sump, draw straw, or additional air filtration. This also eliminates the 1/4 tank issues that are common with the other high-flow lift pumps on the market. For those with aftermarket lines or filtration, the pump outlet and return is threaded to accept a -8 O-ring fitting (3/4"-16 thread) so you can customize your fuel system.
Features:
- Silent Operation
- Drop-In Lift Pump
- Supports 800 RWHP
- No Sump or Draw Straw Needed
- Lifetime Warranty
Shipping Restrictions Apply 
This product can not be shipped to these states/provinces: CA
This product can not be shipped to these states/provinces: CA Specifications
- MPN FPE-34789
- SKU FPE-34789
- GTIN 670875716780
- ID 60588
- Manufacturer Name Fleece Performance
- Shipping Weight 10.00 lb.
- Shipping Length 22 in.
- Shipping Width 10 in.
- Shipping Height 12 in.
- Fuel Type Diesel
- Warranty Info Lifetime
-
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
- Internal L1R2
Frequently Bought Together
In-Stock
Fleece FPE-GM-FFPD-0116 Fuel Primer Bulb Sealing Kit
$37.95
Vehicle Fitment:
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
Reviews
★★★★★
5.0/5 Stars out of 3 Reviews
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06 sleeper lbz (NC) | November 3rd, 2021
This pump is awesome, quite, direct fit, great quality components and the ability to run your own lines off the unit if you want. Warranty is super easy to activate and there is enough wire to run to an auxiliary fuel tank if you run one. I am going to recommend this for anyone in the market for a lift pump.
Steven (Texas) | March 29th, 2021
Compared to the bulky exposed lift pumps that hang low off of the frame this guy is quite! Straight forward in tank install, probably one of the best built wiring simplified wiring harnesses I’ve seen in awhile. Factory sender plugs right into the Fleece harness and plenty of harness to neatly route to the engine bay. Highly recommended upgrade to the Duramax.
Hollywood (Breezewood Pa.) | November 7th, 2020
Great piece! I have an 06 gmc duramax was redoing body,frame exc,I have it tuned always seemed to be running out of fuel when pressed hard figure while bed was off and tank was out be perfect time to upgrade everything! Fleece’s pump was easy installing had everything in an running about an hour and a half!!! Smoothed out engine almost emmediatly took week or so to get truck back together since did everything myself but as soon as on the road I could tell the difference I would recommend this because no cutting drilling or modifications and no pump handing on frame may cost a little more but no messing around with fuel lines, direct fit!!! No noise like my buddies truck with a external pump hanging on frame and great performance, what else could you ask four
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Questions and Answers
Will this work on a stock application?
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Answer
Yes, the Fleece FPE-34789 PowerFlo Lift Pump will work on stock applications.
Yes, the Fleece FPE-34789 PowerFlo Lift Pump will work on stock applications.
Approximately what pressure does this in tank fuel pump provide fuel to the CP3? Does it have a preset, non-adjustable psi regulator built in or is it recommended to add an external regulator?
View Staff Answer
Answer
The Fleece FPE-34789 PowerFlo Lift Pump has a preset, non-adjustable operating pressure of 10-13 PSI with no external pressure regulator required.
The Fleece FPE-34789 PowerFlo Lift Pump has a preset, non-adjustable operating pressure of 10-13 PSI with no external pressure regulator required.
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