
- OEM Quality - Dual Gerotor: Features two OEM-quality gerotor pumps, doubling the reliability and increasing flow capacity for consistent, high-volume delivery.
- Seamless Integration & Active Fill Bucket: The active fill bucket design eliminates the 1/4 tank issue found in other systems and removes the need for tank sumps or draw straws.
- Direct OEM In-Tank Replacement: Installs in your tank using factory lines, drastically reducing installation time compared to external high-flow pumps.
- Silent Operation: Enjoy high performance without the typical noise associated with aftermarket lift pumps.
- Aftermarket Capable: For custom setups, the pump outlet and return are threaded to accept a -8 O-ring fitting (3/4"−16 thread), allowing you to run your own lines and filters.
- High Performance: Supports up to 800 RWHP while operating at a stable 10-13 psi at idle.

Unlock the true potential of your GM 6.6L Duramax LMM engine with the Fleece FPE-34789 PowerFlo Lift Pump. This isn't just a replacement; it's an intelligent upgrade designed to seamlessly deliver the fuel flow your engine needs, supporting up to 800 rear-wheel horsepower (RWHP). By installing directly into your fuel tank like an Original Equipment (OE) unit, the PowerFlo eliminates the common drawbacks of aftermarket pumps: there's no cutting holes, no noisy frame-mounted pump, and no frustrating quarter-tank fuel issues. This design retains all your factory components, including the water-in-fuel sensor and fuel heater, ensuring a clean, quick, and integrated install.
Key Features & Educational Benefits
OEM Quality - Dual Gerotor: Features two OEM-quality gerotor pumps, doubling the reliability and increasing flow capacity for consistent, high-volume delivery.
Seamless Integration & Active Fill Bucket: The active fill bucket design eliminates the 1/4 tank issue found in other systems and removes the need for tank sumps or draw straws.
Direct OEM In-Tank Replacement: Installs in your tank using factory lines, drastically reducing[...]
- OEM Quality - Dual Gerotor: Features two OEM-quality gerotor pumps, doubling the reliability and increasing flow capacity for consistent, high-volume delivery.
- Seamless Integration & Active Fill Bucket: The active fill bucket design eliminates the 1/4 tank issue found in other systems and removes the need for tank sumps or draw straws.
- Direct OEM In-Tank Replacement: Installs in your tank using factory lines, drastically reducing installation time compared to external high-flow pumps.
- Silent Operation: Enjoy high performance without the typical noise associated with aftermarket lift pumps.
- Aftermarket Capable: For custom setups, the pump outlet and return are threaded to accept a -8 O-ring fitting (3/4"−16 thread), allowing you to run your own lines and filters.
- High Performance: Supports up to 800 RWHP while operating at a stable 10-13 psi at idle.