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SKU #: FPE-PF-GM-0104 MPN #: FPE-PF-GM-0104

Fleece Performance PowerFlo In-Tank Lift Pump 01-04 GM 6.6L Duramax LB7

$649.00
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Description
Why General Motors went so long in not equipping their Duramax engines with a fuel lift pump from the factory is a mystery that will probably never be solved. Its been proven time and again, that especially as additional fueling is being commanded through a chip or programmer, or especially with larger displacement injectors, the lack of a lift pump is a serious shortcoming. Fortunately, though, there's a plethora of options available in the aftermarket to add a lift pump, and if you're in the market for a lift pump, you need to check out this option from Fleece, unlike anything else available.Direct OEM In-Tank Replacement:The PowerFlo Lift Pump retains the factory fuel lines and installs in less than half the time of other high flow lift pumps. OEM Quality: New sending unit electronics and fuel level float will get your fuel gauge working correctly again!Seamless Integration:The active fill bucket eliminates the need for tank sumps, draw straws, additional air filtration, and the ¼ tank issues typically encountered when seeking a higher flow lift pump to meet your engine’s need. Aftermarket Capable: Want the benefits of the in-tank pump but need to run your own fuel lines or aftermarket filters?  The pump outlet and return is threaded to accept a -8 O-ring fitting (3/4"-16 thread).  The PowerFLo Lift Pump is also backed by a LIMITED LIFETIME WARRANTY!

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Why General Motors went so long in not equipping their Duramax engines with a fuel lift pump from the factory is a mystery that will probably never be solved. Its been proven time and again, that especially as additional fueling is being commanded through a chip or programmer, or especially with larger displacement injectors, the lack of a lift pump is a serious shortcoming. Fortunately, though, there's a plethora of options available in the aftermarket to add a lift pump, and if you're in the market for a lift pump, you need to check out this option from Fleece, unlike anything else available.

Direct OEM In-Tank Replacement:
The PowerFlo Lift Pump retains the factory fuel lines and installs in less than half the time of other high flow lift pumps.

OEM Quality:
New sending unit electronics and fuel level float will get your fuel gauge working correctly again!

Seamless Integration:
The active fill bucket eliminates the need for tank sumps, draw straws, additional air filtration, and the ¼ tank issues typically encountered when seeking a higher flow lift pump to meet your engine’s need.

Aftermarket Capable:
Want the benefits of the in-tank pump but need to run your own fuel lines or aftermarket filters?  The pump outlet and return is threaded to accept a -8 O-ring fitting (3/4"-16 thread). 

The PowerFLo Lift Pump is also backed by a LIMITED LIFETIME WARRANTY!
EXECUTIVE ORDER #D-834-20
Manuals and Guides
Vehicle Fitment
2001-2004 6.6L GM Duramax LB7
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
About Fleece Performance Engineering
Browse Fleece Performance Engineering Parts Online by Make, Model, and Year.

Fleece Performance Engineering is a customer-centric diesel performance company that specializes in the development and manufacturing of innovative and extremely forward-thinking products to improve upon the performance and reliability of your Cummins, Duramax, or Powerstroke. Originally operating from a shop on their family farm, they have now grown to a full-scale operation that excels in air and fuel-related components for light-duty diesel. A continuous focus on product quality and the creation of new design principles before the competition is what keeps Fleece Performance growing by leaps and bounds year after year and at the forefront of the winners circle. Many know Fleece for its line of Cheetah Turbos, PowerFlo Lift Pumps, and 10mm Stroker Pumps, but it goes far beyond! From the simple, yet widely popular exhaust manifold stud kits that eliminate the troublesome factory manifold hardware to full-blown race engines via their Freedom Racing Engines division, they are truly a "one-stop shop!" And no, Fleece isn't "just" for the hot rod diesel market, they've got kits and components for every level of diesel truck owner.

TIMELINE OF FLEECE PERFORMANCE ENGINEERING:
  • 2008: Fleece Performance Engineering was established in North Salem, IN by Brayden and Chase Fleece. Both had a passion for continuously innovating and improving upon products already on the market. Brayden's 2004.5 LLY Duramax became the test bed to develop the TurboBrake and Duramax Cheetah, while Chase's 2002 Cummins was one of the first Cummins pickups to integrate an Allison Transmission.
  • 2012: Fleece Performance upgrades both facility and location by relocating to Nitro Alley in Brownsburg, IN situated among some of the top racing leaders in the world.
  • 2014: Fleece Performance acquires the area's premier engine machine shop, Freedom Racing Engines. The acquisition enables Fleece Performance to expand the engine development program and product offerings. Today, Fleece Performance and Freedom Racing Engines build some of the most competitive engines in the industry.
  • 2018: Fleece Performance breaks ground on a new 75,000 sq. ft. facililty in Pittsboro, IN.
  • 2019: Fleece Performance and Freedom Racing Engines relocates to its new facility in Pittsboro, IN. The all new headquarters provides additional space for product development, production and work areas, assembly and testing, a larger warehouse, as well as four engine dynamometers, and two-story office space.
  • 2020: Fleece Performance receives ISO9001:2015 Certification.
  • 2021: Fleece Performance Engineering was voted as one of the Best Places to Work in Indiana by the Indiana Chamber of Commerce.
  • 2022: Fleece Performance Engineering was voted again as one of the Best Places to Work in Indiana by the Indiana Chamber of Commerce.

As always, if you have any questions about which Fleece turbo, fuel, engine, or other product is right for you, do not hesitate to give us a call and we would be happy to assist.

Video
Product Overview: Fleece PowerFlo In-Tank Lift Pump
Proper fuel pressure under load is paramount when it comes to longevity. The stock lift pump in your rig is barely up to the task, sometimes dropping to below 5PSI on a 100% stock truck. Add a tuner into the mix and you have a recipe for disaster. Fleece Performance has the answer with this very clean, factory-replacement in-tank lift pump.
Video
This Is How We Do It | Hulk Gets a Fleece Powerflo In-Tank Lift Pump
Hulk gets a new fuel system! Our compounded 5.9L 3rd Gen Cummins will be fed by a Fleece Powerflo In-tank Lift Pump. This will provide proper fuel pressure and volume for it’s current state and allow us to grow. Filtration is handled by a Fleece block mounted system which retains a fuel heater and water-in-fuel sensor. This option was a no-brainer as our sending unit had failed. Installation was straightforward and easy thanks to awesome instructions.

Overall rating: 3.8 / 5 from 5 reviews.

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"When i opened the box it was a sending unit!!!!!!! The truck bed is off and when i open the box I said where’s the wiring harness???? Come to find out it’s a sending unit!!!!!! I need a lift pump!!! I paid for a lift pump!!!"

James B. (1/5)

LB7

"Nice unit easy to install plug and play."

James G. (4/5)

Works great east install

"Works great east install"

Nate S. (5/5)

Quiet and like OEM

"I've put about 10k miles on the pump in my LB7. The biggest issue was putting the darn retaining ring on. That was a bear and took as long to figure out the technique as the whole installation. . . I don't have anything to compare this unit to (Fass or others) but why i bought was that it was like doing an OEM replacement so I didn't have to cut my tank or add anything outside of my tank! I don't know if that will be a drawback in the future, but for the mild tune and performance of the truck everything is working fine and I have no complaints. I felt an immediate improvement and not had a single issue now after 10k miles."

Max (5/5)

so far everthing is good

"so far everthing is good easy to install. Should come with a tank ring"

GEORGE B. (4/5)

Q&A

I'm new to the duramax world, but if i install this on my LB7 and the pump fails for some reason, will it leave me stranded or will fuel continue to flow via the normal suction process on the LB7?
This set up will not allow you to use a Vacuum method of drawing fuel unfortunately. -Mark