Fleece Fuel System Upgrade Kit w/PowerFlo Lift Pump for 2003-2004.5 Dodge Ram 5.9L Cummins
FPEFPE-34755Fixing the whole fuel supply on a 2003-2004 Cummins is easier in one box.
Fleece's fuel system upgrade kit has everything you need to route, plumb, pump and filter fuel for your Cummins, built around the PowerFlo in-tank lift pump. It also comes with a new sending unit and float to get your fuel gauge working again.
PowerFlo lift pump highlights
- The only in-tank lift pump capable of supporting up to 800 hp, per Fleece
- No drilling, cutting, or sumps cut into your tank, and it installs in less than half the time of other high flow lift pumps
- Dual gerotor: two OEM quality gerotor pumps for more flow and reliability than the factory pump
- Supports up to 800 hp, including dual CP3 pump configurations
- Active fill bucket ends tank sumps, draw straws and the 1/4 tank issues
Kit includes
- PowerFlo lift pump with integral fuel sender
- Donaldson 3 micron fuel filter and water separator (Donaldson P/N P553207)
- Filter base with integral mounting
- Fuel filter delete (FPE-FFD-RO-3G)
- Distribution filter block / filter coupler
- Push lock hose and all necessary AN and barb fittings
Specs
- Filtration: Donaldson P553207, 3 micron with water separator
- Warranty: Limited Lifetime Warranty on the PowerFlo lift pump when purchased with this kit (see Fleece's PowerFlo Lift Pump Warranty Policy)
- Status: Patent Pending
- Engine: 5.9L Cummins (CM8)
- Part number: FPE-34755
Tuning with PPEI
PPEI recommends this Fleece kit, and we run PowerFlo pumps on our own trucks. PPEI 5.9L Cummins engine tuning asks for more fuel, and this kit makes sure it's there, clean and steady, every time. That's what lets the tune deliver its full power, throttle response and efficiency, from a full tank down to a low one.
Fitment
- Dodge Ram 2500: 2003 Laramie; 2003-2004 SLT, ST
- Dodge Ram 3500: 2003-2004 Laramie, SLT, ST
Couldn't load pickup availability

WHO IS THE TUNER/CALIBRATOR
PPEI, also known as Power Performance Enterprises, Inc., is led by the business owner and lead calibrator/tuner Kory Willis. PPEI began calibrating/tuning back in 2008, specializing in Diesel Performance but has since expanded into the Gas and Powersports industries. Kory and the team at PPEI have set many world records along with continuing many industry “firsts”. We take pride in knowing that Kory not only prides his work, but also thoroughly enjoys setting expectations high for our team so our customers can have the best products available in the world.















