Fleece Performance

Simplified and Safer Installation: One kit fits 2007.5-2024 2500/3500/4500/5500 6.7L Cummins engines – the broadest coverage of any kit on the market! We make it easy - no need to worry about being...

Eliminate the risk of a failed grid heater nut dropping into your engine on your 2007.5-2024 6.7L Cummins with our high flow intake plenum! Our plenum replaces the troublesome factory grid heater...

Fix your leaking transmission lines with these heavy duty, high flow, flexible transmission lines. This kit is complete with everything needed to get the job done right the first time.

Fix your leaking transmission lines with these heavy duty, high flow, flexible transmission lines. This kit is complete with everything needed to get the job done right the first time.

PROBLEM: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to install a draw straw or drill your fuel tank to accommodate a sump. Each of these has some...

PROBLEM: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to install a draw straw or drill your fuel tank to accommodate a sump. Each of these has some...

The Fleece Performance Charging Circuit Harness for 2011-2016 Ford 6.7L Power Stroke is a drop-in replacement with no cutting or splicing to fix the common problem of an intermittent or continuously...

Service your 2011-2016 Fleece Performance Injector Return Repair fitting (FPE-FMC-FF-RLK-1116) with our service kit that includes new O-rings and locking ring. Kit includes 2 O-rings and 1 locking...

The plastic factory injector return fitting on the 2011-2016 6.7L Power Stroke is susceptible to breakage from heat, vibration, rough handling, and frequent disconnections for fuel filter maintenance...

The plastic factory injector return fitting on the 2011-2016 6.7L Power Stroke is susceptible to breakage from heat, vibration, rough handling, and frequent disconnections for fuel filter maintenance...

Replacement fuel pump pigtail for the 2011-2016 6.7L Powerstroke. Includes two heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully automated wire cutting...

The Fleece Performance under bed filter for the 2011-2016 6.7L Power Stroke allows you to maintain both your under bed and under hood fuel filters separately instead of being required to purchase in...