SKU: 13623555833

2011-2016 LML Duramax PowerFlo In-tank Lift Pump (Long Bed)

Sale price$382.03 Regular price$424.48
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

2011-2016 LML Duramax PowerFlo In-tank Lift Pump (Long Bed)The PowerFlo* lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. The PowerFlo is the only in tank lift pump capable of supporting up to 800 hp! The LML when delivered from the factory relies on vacuum from the CP4 to draw fuel from the tank, this puts extra stress on the injection pump and can lead to premature failure. The PowerFlo lift pump provides positive fuel pressure to the CP4,

The PowerFlo* lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance.  The PowerFlo is the only in-tank lift pump capable of supporting up to 800 hp! The LML when delivered from the factory relies on vacuum from the CP4 to draw fuel from the tank, this puts extra stress on the injection pump and can lead to premature failure.  The PowerFlo lift pump provides positive fuel pressure to the CP4, decreasing strain on the injection pump and supporting up to 800 hp. 

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 - Dual Gerotor: 

Two is always better than one, and the PowerFlo delivers with two OEM quality gerotor pumps, increasing flow capacity and increased reliability over the factory pump. Capable of supporting up to 800 hp, including dual CP3 pump configurations. 

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). 

OEM Cross-reference:

 PowerFlo P/N   Fitment        GM/Chevy P/N 
  FPE-34563   Short Bed   13578389 & 13578388 
  FPE-34564  Long Bed  13578389 & 13578388

** For use with single fuel tank congurations only

 

The PowerFLo Lift Pump is also backed by a LIFETIME WARRANTY! 

*Patent Pending

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 13623555833

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4.4 ★★★★★
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Verified Purchase
WJC3
Phoenix, US
★★★★★ 5
SemiPerfect for gun safe
Color: Black, Size: 10FT
Bought for gun safe. I made a custom install using one of the bolt down holes up front and a wood box from crate. Had to cut cord and use an approved Wago connector. Enough spacing for wall warts to power lights, dehumidifier and fanless computer. 65W total. It can only provide full 65watts if one USB-C ports is used.
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Reviewed in the United States on February 24, 2026
J
Verified Purchase
Jeff Tostenson
San Leandro, US
★★★★★ 1
Does not charge more than one device at a time…
Color: Black, Size: 10FT
Does not charge more than one device at a time. I have a USB C to charge my iPhone. If I connect any other USB type plug into the socket, my iPhone will disconnect from charging. I’ve also tried this with my Apple Watch and it disconnects from charging as well. I know it does not charge more than one device at 65W, but it should be able to charge more than one device at a time. It has two USB ports and two USB C ports. Maybe this one is defective?
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Reviewed in the United States on May 1, 2026
T
Verified Purchase
ThatOneGuy
Houston, US
★★★★★ 5
Gan power works exactly as it should A+
Color: Black, Size: 6FT
These are exactly what I needed & are working absolutely amazingly. Still very early in life span but will post an update
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Reviewed in the United States on December 15, 2025
M
Verified Purchase
Mike S
Houston, US
★★★★★ 5
Does what I needed it to do
Size: 50mm/2inch, Color: Black, Number of Items: 4
Worked perfectly for routing all my wires for my desk. The included tie straps were an added bonus. Now everything is nice, tidy and secured to the back side of my rolling desk.
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Reviewed in the United States on May 6, 2026
A
Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 5
Great value
Size: 50mm/2inch, Color: Black, Number of Items: 2
Great price. Worked perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026

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