Fleece Performance FPE-34563 PowerFlo® In-Tank Lift Pump for 2011-2016 LML Duramax (Short Bed)

Product Overview

The Fleece Performance FPE-34563 PowerFlo® In-Tank Lift Pump is tailored for 2011-2016 GM 6.6L Duramax LML engines with short bed configurations. Designed to ensure consistent fuel pressure and reliable flow, this in-tank pump supports up to 800 horsepower, making it a robust solution for towing, daily driving, and high-performance applications.

Product Highlights

• Direct-fit in-tank replacement: Maintains compatibility with factory fuel lines
• Dual Gerotor Pumps: Boosts flow capacity and enhances reliability
• Active Fill Bucket Design: Eliminates the need for tank sumps and draw straws
• Aftermarket Friendly: Threaded outlets for custom fuel line integration
• High-Quality Construction: Advanced filtration and sealing for durability
• Lifetime Limited Parts Warranty: Ensured reliability from Fleece Performance

Detailed Product Description

The Fleece Performance FPE-34563 PowerFlo® In-Tank Lift Pump for 2011-2016 Duramax LML (short bed) is a premium fuel pump upgrade engineered for consistent fuel delivery. This in-tank pump features dual gerotor pumps, significantly increasing flow capacity and reducing strain on the CP4 injection pump. Its unique active fill bucket design helps maintain fuel pressure and eliminates the need for additional components, such as tank sumps or draw straws, which simplifies fuel management.

Ideal for daily drivers and high-demand applications, the PowerFlo® Lift Pump installs easily, as it retains the factory fuel lines and wiring. For those looking to customize, the pump outlet and return are threaded to accommodate -8 O-ring fittings, making it compatible with custom fuel lines or aftermarket filters. This pump also supports enhanced horsepower levels up to 800, including dual CP3 applications.

To maximize performance, Fleece Performance recommends pairing this pump with their Auxiliary Heated Fuel Filter Kit (P/N FPE-DMAX-HFFBA-1116) for improved filtration and fuel heating. This setup ensures long-term engine health and dependability, making the FPE-34563 an optimal choice for short bed Duramax owners.