Fleece Performance

Cummins injector harness connector with 6" pigtail for 2006 - 2022 5.9L and 6.7L Cummins engines. Two of these connectors are utilized on the engin...

Our replacement fan extension harness for the 2019-2024 Ram with 6.7L Cummins allows you to repair a broken or damaged harness without needing to r...

Our replacement fan extension harness for the 2013-2018 Ram with 6.7L Cummins allows you to repair a broken or damaged harness without needing to r...

Replacement connectors with 6" pigtail for use on the Cummins engine, this kit includes BOTH sides of the connector with flying leads to allow you ...

Replacement connector with 6" pigtail for use on the 2007-2022 Ram with 6.7L Cummins along with many other applications. Produced in-house, our man...

Regulator extension harness for use with Bosch CP3's used in 6.6L Duramax applications.Warranty

Extension harness for use with air intake sensors on 2013-2018 Dodge Ram with 6.7L Cummins.Warranty

If you're running an aftermarket positive displacement lift pump like our PowerFlo on your Duramax our fuel primer bulb sealing kit will allow you ...

Brighten up your driving experience with this simple upgrade inside your fuse box. Simply install the GM All Lights On Module to allow your high-be...

The return fuel pressure test port for the 2011-2016 LML Duramax is designed to aid the technician in troubleshooting return fuel pressure, often n...

All New Fleece Performance replacement under hood filter assembly for the Ford F250/350/450 6.7L Powerstroke! The plastic OE filters are prone to c...

Ready to upgrade your factory under bed fuel filtration on your 2017 – 2024 Ford 6.7L Powerstroke? The latest OEM+ solution from Fleece Performance...

Upgrade your plastic OEM or aftermarket engine coolant thermostat housing on your 6.7L Power Stroke with our more durable cast aluminum model! Our ...

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 ...

All New Fleece Performance Fuel Filter Bypass for the under hood filter assembly on the Ford F250/350/450/550 6.7L Powerstroke! If you are running ...

The plastic factory injector return connector on the 2017-2024 6.7L Power Stroke is susceptible to breakage from heat, vibration, rough handling an...

The plastic factory injector return connector on the 2017-2024 6.7L Power Stroke is susceptible to breakage from heat, vibration, rough handling an...

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

Replacement high pressure fuel line for 6.6L LML Duramax's with CP3 conversion kits. Fitment: Direct replacement line that is originally included i...

Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. T...

Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. T...

Fleece Performance Universal 3/8in Aluminum Y Barbed Fitting (For -6 Pushlock Hose) - Black AnodizedWarranty

2019+ 5th Gen Dodge Ram with Cummins, Fuel Filter Delete. If you have an aftermarket fuel filtration system such as an Air Dog or a FASS, your fact...

Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such a...

Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such a...

Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such a...

Upgrade your fuel system with this fuel distribution block from Fleece Performance Engineering. If you have an aftermarket fuel filtration system s...

Upgrade your fuel system with this fuel distribution block from Fleece Performance Engineering. If you have an aftermarket fuel filtration system s...

Replace your plastic OEM fuel cap with this stylish billet green anodized fuel cap. It comes with a double o-ring seal to ensure a tight fit and ke...

Make turbo installations easier and ensure good oil supply to your turbocharger with our remote oil feed line! Problem: The factory turbo oil feed ...

Make turbo installations easier and ensure good oil supply to your turbocharger with our remote oil feed line! Problem: The factory turbo oil feed ...

The Donaldson P555095 Fuel Filter is a direct replacement filter for use with the Fleece Performance Engine Mounted Filter Assembly for 6.7L Ford P...

Problem: The original equipment oil cooler adapter relies on a metal gasket on the oil cooler that over time is prone to leaking as the cooler flex...

dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes O-ring and cam-lock and is a direct replacement for your ...

Fleece Performance Fuel Temperature Sensor Mounting Block For LML Duramax CP3 Conversions

Introducing our all-new full featured auxiliary fuel filter kit for the 2011-2016 LML 6.6L Duramax! This kit replaces the factory fuel filter housi...

The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you ...

Replacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings for the CP3 pump snout and CP3 adapter. AP...

The Fleece Performance Duramax 10mm stroker CP3 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper ...

2001-2023 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast...

Complete installation kit for VGT style turbochargers on the 2019-2024 RAM with 6.7L Cummins. Kit Includes: Turbocharger exhaust inlet gasket Turbo...

Complete installation kit for VGT style turbochargers on the 2007.5-2018 RAM with 6.7L Cummins. Kit Includes: Turbocharger exhaust inlet gasket Tur...

Tired of over-priced fuel filter service costs and questionable filter options? Our direct replacement under bed fuel filter base for the 2019-2024...

The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RAM with 5.9L Cu...

Trust Fleece Performance to bring you the best OE alternative parts you need! Our replacement rocker arm assembly fits 1998.5-2018 Dodge 5.9L and 6...

Fleece Performance 13-24 Dodge 2500/3500 Cummins 6.7L Lower Heater Return Hose

Complete installation kit for HX35 style turbochargers on the 1994-2002 RAM with 5.9L Cummins. Kit Includes: Turbocharger exhaust inlet gasket, T3 ...

Trust Fleece Performance to bring you the best OE alternative parts you need! Our replacement head gasket for the 6.7L Cummins will ensure your eng...