Fleece Performance

The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance now available for Cab and ...

Dress up your Cummins with this Blue billet aluminum oil cap cover. It is anodized black and laser etched with the Fleece Performance "F". It is a ...

Clean up under the hood of your dodge by replacing your space hogging shock towers with this sleek set of Low Profile Shock Mounts! These low profi...

The 63mm FMW Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 2011-2016 Duramax diesels. It comes with a Fleece Performan...

Want to get rid of that big ugly resonator under the hood of your LML? This billet aluminum plate, anodized in black with "Fleece" engraved across ...

Replacement CP3 fuel return hose for the Fleece Performance LML CP3 Conversion Kits. Fits all prior and current models.Warranty

Replacement CP3 fuel feed hose for the Fleece Performance LML CP3 Conversion Kits. Fits all prior and current models.Warranty

Convert your LML's fuel system from a CP4 to a CP3. Improve your LML Duramax's reliability and fueling capability with a CP3 conversion. Since its ...

Improve your LML Duramax's reliability and fueling capability with a CP3 conversion. Since its introduction, the CP4 has proven to be less reliable...

The Fleece Performance Intake Air Heater Delete is a simple way to remove the air intake heater on your 2001-2004 GM 6.6L Duramax. Complete with a ...

Wake up your 2001-2004 LB7 with the drop in replacement Fleece Performance LB7 Cheetah Turbocharger. Featuring a Fleece Performance custom 63mm bil...

Fleece Performance Cheetah turbochargers set the industry standard for power, quality, and reliability. Designed as a stock appearing, drop-in repl...

Fleece Performance MAP Sensor Spacer with Boost Reference Port for the L5P Duramax. Problem: Because of the direct placement of the MAP sensor into...

Gain up to 10 additional RWHP with our cast aluminum high flow intake horn for the 2017-2019 L5P 6.6L Duramax! Our intake horn directly replaces th...

Increase your LB7's potential with this simple but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Performan...

Fleece Performance Cheetah Turbochargers set the industry standard for power, quality, and reliability. The Cheetah series does not require an expe...

Fleece Performance 7in 45 Degree Hood Stack CoverWarranty

Fleece Performance 6in 45 Degree Hood Stack CoverWarranty

Fleece Performance 5in Straight Cut Hood Stack CoverWarranty

Fleece Performance 5in 45 Degree Hood Stack CoverWarranty

Replacement connector with 6" pigtail for use on the Cummins engine and other vehicle applications. Replaces: W094230 Application Notes 2007.5-2020...

Replacement transmission input speed sensor pigtail for the Allison Transmission 1000/2000 Series on MY 2015-2019 GM trucks. Includes two heat-seal...

Replacement connector with 4.5" pigtail for use in multiple locations on the L5P Duramax and other GM vehicles. Replaces OEM Connector 13343443 Rep...

A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on the road quickly...

A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on the road quickly...

A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on the road quickly...

Get rid of oil leaks from the harness connector with our replacement internal wiring harness seal for the Allison LCT and GM 4T65-E. This 20-way pi...

Replacement connector with 6" pigtail for use in multiple locations on the Duramax, Cummins, Powerstroke, and other GM vehicles. Replaces Chrysler ...

Hard to find replacement connector with 6" pigtail for use on the 2020+ Ford Powerstroke cooling fan clutch. Produced in-house, our manufacturing p...

Our replacement fan extension harness for the 2011-2018 Ford with 6.7L Power Stroke allows you to repair a broken or damaged harness without needin...

The Fleece Performance Charging Circuit Harness for the 2019 Ford 6.7L Power Stroke is a drop-in replacement with no cutting or splicing to fix the...

The Fleece Performance Charging Circuit Harness for the 2017-2018 Ford 6.7L Power Stroke is a drop-in replacement with no cutting or splicing to fi...

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 th...

Replacement connector with 48" pigtail for use on the 6.0 and 6.4 Powerstroke engines. The additional length pigtail allows for routing of the harn...

Replacement connector with 6" pigtail for use on the 2011-2016 6.6L Duramax MAF sensor. Produced in-house, our manufacturing process includes fully...

Our Fuel Rail Pressure harness for the 2011-2016 6.6L Duramax is a direct replacement for GM Part Numbers 12647115 and 12638158. Produced in-house,...

Replacement engine starter connector with 6" pigtail for use on the 2003-2018 Cummins. Produced in-house, our manufacturing process includes fully ...

Replacement connector with 6" pigtail. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully au...

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...