FLEECE PERFORMANCE ENGINEERING

Repair your throttle valve actuator connector with our repair pigtail. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the...

Convert your 2003-2005 Ram with 4-pin injector connectors to the 2006-2018 6-pin injector connectors with our plug-and-play conversion harness.  This conversion harness is for use on a 2003-2005...

Convert your 2006-2018 Ram with 6-pin injector connectors to the 2003-2005 4-pin injector connectors with our plug-and-play conversion harness. This conversion harness is for use on a 2006-2018...

Replacement connector with 6 inch pigtail for use on the Cummins engine and other vehicle applications. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal...

Replacement connector and 6 inch pigtail harness for the 1998.5 to 2002 Cummins Camshaft and Crankshaft Position Sensor. Includes heat-sealable butt-style connectors. Produced in-house, our...

Replacement crankshaft position sensor connector with 6 inch Pigtail for the 2004-2016 6.6L Duramax engines. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process...

Our replacement fan extension harness for the 2017-2019 L5P Duramax allows you to repair a broken or damaged harness without needing to replace the entire fan assembly. This harness is mounted to the...

Our replacement fan extension harness for the 2011-2016 LML Duramax allows you to repair a broken or damaged harness without needing to replace the entire fan assembly. This harness is mounted to the...

Our Fuel Pressure Regulator (FPR) harness for the 2001-2010 6.6L Duramax is a direct replacement for GM Part Number: 97378671 (MY 2006-2010) and 97327685 (MY 2001-2005). Produced in-house, our...

Replacement connector with 6 inch pigtail for use on the 6.6L Duramax engine and other vehicle applications. Produced in-house, our manufacturing process includes fully automated wire cutting and...

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, our manufacturing process includes fully automated...

Replacement connector with 6 inch pigtail for use on the 2011-2016 6.6L Duramax MAF sensor. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to...

Replacement connector with 6 inch pigtail for use on the 6.6L Duramax engine including MAP, BARO, camshaft, and crankshaft sensors. Produced in-house, our manufacturing process includes fully...

Replacement connector with 6 inch pigtail for use on the 2001-2002 LB7 Duramax oil pressure sensor. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal...

Replacement oil pressure sensor pigtail for use on the 2003-2010 6.6L Duramax. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you...

Replacement connector with 6 inch pigtail for use on the 6.6L Duramax turbocharger vane position sensor. Produced in-house, our manufacturing process includes fully automated wire cutting and...

Replacement connector with 6 inch pigtail for use on the 2006-2016 6.6L Duramax turbocharger vane position sensor. Produced in-house, our manufacturing process includes fully automated wire cutting...

Our Fleece Performance adapter harness allows the 2004.5-2005 LLY Duramax to run the updated turbo vane position sensor that is used on 2006 and up Garrett turbochargers. Produced in-house, our...

Replacement connector with 48 inch pigtail for use on the 6.0 and 6.4 Powerstroke engines. The additional length pigtail allows for routing of the harness from the sensor directly to an accessable...

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...

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 fix the common problem of an intermittent or...

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 common problem of an intermittent or continuously...

The Fleece Performance Charging Circuit Harness for the 2020-2022 Ford 6.7L Power Stroke is a drop-in replacement with no cutting or splicing to fix the common problem of an intermittent or...

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 needing to replace the entire fan and clutch assembly...

Hard to find replacement connector with 6 inch pigtail for use on the 2020-Present Ford Powerstroke cooling fan clutch. Produced in-house, our manufacturing process includes fully automated wire...

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...

Replacement fuel pump pigtail for the 2017-2024 6.7L Powerstroke. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully automated wire cutting and...

Replacement Water-In-Fuel (WIF) connector with 6 inch pigtail for use on the 2011-2019 Ford Powerstroke. Produced in-house, our manufacturing process includes fully automated wire cutting and...

Replacement connector with 6 inch pigtail for use in multiple locations on the Duramax, Cummins, Powerstroke, and other GM vehicles. Produced in-house, our manufacturing process includes fully...

Our replacement GM Automatic Transmission 20-Pin pigtail features 12 inch leads that are labeled with the pin positions to aid in installation. Includes 20 heat-sealable butt-style connectors...

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 pin seal is a direct replacement for the hard to find...

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 pin seal is a direct replacement for the hard to find...

Replacement NSBU connector set with 6 inch pigtail for 2001-2004 GM trucks equipped with Allison Transmission. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing...

Replacement NSBU connector and 6 inch pigtail for 2004.5-2005 GM trucks equipped with Allison Transmission. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process...

A common failure point on the Ford platform, our replacement connector and pigtail for the heated seat module will get you back on the road quickly! Produced in-house, our manufacturing process...

A common failure point on the L5P Duramax, our replacement connector with 4.5 inch pigtail for the fuel injectors will get you back on the road quickly. This connector is typically replaced during an...

A common failure point on the L5P Duramax, our replacement connector with 4.5 inch pigtail for the fuel injectors will get you back on the road quickly. This connector is typically replaced during an...

A common failure point on the L5P Duramax, our replacement connector with 4.5 inch pigtail for the fuel injectors will get you back on the road quickly. This connector is typically replaced during an...

Replacement connector with 6 inch pigtail for use in multiple locations on MOPAR vehicles including the A/C pressure sensor and transmission pressure transducers. Produced in-house, our manufacturing...

Replacement connector with 4.5 inch pigtail for use in multiple locations on the Duramax, Ram with Cummins, and other GM vehicles. Produced in-house, our manufacturing process includes fully...

Replacement connector with 6 Inch pigtail for use in multiple locations on the Duramax and Powerstroke engines. Produced in-house, our manufacturing process includes fully automated wire cutting and...

Replacement connector with 6 inch pigtail for use on the Duramax engine and many other vehicle applications. Produced in-house, our manufacturing process includes fully automated wire cutting and...

Replacement connector with 6 inch pigtail for use on the Ford Powerstroke alternator and many additional applications. Produced in-house, our manufacturing process includes fully automated wire...

Replacement transmission input speed sensor pigtail for the Allison Transmission 1000/2000 Series on MY 2015-2019 GM trucks. Includes two heat-sealable butt-style connectors. Produced in-house, our...

Replacement sending unit connector with 6 inch pigtail for use on the 1999-2007 Ford Powerstroke. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal...

Replacement connector with 6 inch pigtail for use on the Cummins engine and other vehicle applications. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal...

Replacement connector with 6 inch pigtail for use on the Cummins engine and other vehicle applications. Replaces: W094230 Application Notes 2007.5-2020 RAM w/ 6.7L Cummins: Exhaust Gas Pressure...

Replacement connector with 6 inch pigtail for use on the Cummins engine and other vehicle applications. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal...

Almost too many applications to list for this multi-purpose two pin connector with 6 inch pigtail. This connector is used in hundreds of applications on GM and Dodge vehicles. Includes heat-sealable...

Replacement connector with 36 inch pigtail for use in multiple locations on the Duramax, Cummins, Powerstroke, and GM vehicles. Includes heat-sealable butt-style connectors. Produced in-house, our...

Replacement connector with 6 inch pigtail for use on both L5P Duramax and 2013-2018 Cummins equipped RAM trucks. Produced in-house, our manufacturing process includes fully automated wire cutting and...

Replacement connector with 6 inch pigtail for use in multiple locations on the Duramax and Powerstroke engines. Produced in-house, our manufacturing process includes fully automated wire cutting and...

Replacement connector with 6 inch pigtail for use on MY 2001, 5.9L VP Cummins engine. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to...

Gain additional flexibility in your harness routings with this 18 inch extension harness for the Cummins and Duramax rail pressure sensor. Produced in-house, our manufacturing process includes fully...

Our replacement connector with 6 inch pigtail will get you back on the road quickly. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully...

This M8x1.25x20 Hex Bolt with M6x1.0x15 stud is perfect for custom applications and mountings. Produced in-house, this stud is produce from mild steel and black oxide coated. Warranty: 1 Year...

From the turbo experts at Fleece Performance comes our all new HE400VG/HE451VE replacement turbocharger - providing you with a new, reliable replacement turbocharger to get you back on the road...

From the turbo experts at Fleece Performance comes our all-new HE400VG/HE451VE replacement turbocharger - providing you with a new, reliable replacement turbocharger to get you back on the road...

Increase fuel flow on your 6.7L Cummins with our 1/2 inch high flow big line kit. This kit eliminates the restrictive factory line from the fuel filter housing to the injection pump with our larger...

Mitre Cut Fleece Performance hood stack covers are made from heavy duty vinyl and come complete with a properly sized band clamp to ensure a tight fit.Elevate the performance and appearance of your...

Straight Cut Fleece Performance hood stack covers are made from heavy duty vinyl and come complete with a properly sized band clamp to ensure a tight fit.Features: 4 Inch Short Hood Stack...

5 inch 45 Degree Hood Stack CoverThe FLEECE FPE-HSC-5-45 5 Inch 45 Degree Hood Stack Cover is the ultimate solution for those looking to enhance the efficiency and safety of their heating systems...

5 inch Straight Cut Hood Stack CoverElevate your vehicle's style and performance with the Fleece FPE-HSC-5-S 5 Inch Straight Cut Hood Stack Cover. This premium hood stack cover not only enhances the...

6 inch 45 Degree Hood Stack CoverExperience unparalleled durability and protection with the FLEECE FPE-HSC-6-45 6 Inch 45 Degree Hood Stack Cover. Designed for industrial and commercial applications,...

6 inch Straight Cut Hood Stack CoverElevate your vehicle’s style and performance with the FLEECE FPE-HSC-6-S 6 Inch Straight Cut Hood Stack Cover. Designed for enthusiasts who demand both...

7 inch 45 Degree Hood Stack CoverThe FLEECE FPE-HSC-7-45 7 Inch 45 Degree Hood Stack Cover is the ultimate solution for those seeking durability and protection for their hood stacks. Engineered with...

7 inch Straight Cut Hood Stack CoverElevate the performance and style of your truck with the FLEECE FPE-HSC-7-S 7 Inch Straight Cut Hood Stack Cover. This premium accessory is designed for...

Fleece Performance Cheetah Turbochargers set the industry standard for power, quality, and reliability. The Cheetah series does not require an expensive kit, just bolt it on and go. Designed as a...

Increase your LB7's potential with this simple but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Performance high flow LB7 intake horn- that's about the...

The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on canister style filter. The canister filter provides for...

The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on canister style filter. The canister filter provides for...

All new Fleece Performance MAP sensor spacer with boost reference port for the L5P Duramax. Problem: Because of the direct placement of the MAP sensor into the intake air stream from the factory,...

All new Fleece Performance MAP sensor spacer for the secondary MAP sensor on the 2024-2025 L5P 6.6L Duramax. Because of the direct placement of the MAP sensor into the intake air stream from the...

Wake up your 2001-2004 LB7 with the drop in replacement Fleece Performance LB7 Cheetah Turbocharger. Featuring a Fleece Performance custom 63mm billet compressor wheel and high flow Inconel turbine...

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 pre-drilled and tapped ports for a boost gauge,...

Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. The plug is made from high quality...

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

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 introduction, the CP4 has proven to be less reliable...

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 introduction, the CP4 has proven to be less reliable...

Replacement CP3 fuel feed hose for the Fleece Performance LML CP3 Conversion Kits. Fits all prior and current models. The FLEECE FPE-LML-HS-FEED Replacement CP3 Fuel Feed Hose is the ultimate...

Replacement CP3 fuel return hose for the Fleece Performance LML CP3 Conversion Kits. Fits all prior and current models. The FLEECE FPE-LML-HS-RTRN Replacement CP3 Return Hose is engineered for...

Make installation and removal of the dosing injector fuel line on 2011-2016 LML Duramax engines a breeze with our fuel line disconnect tool. Fits: 2011-2016 Duramax Experience effortless...

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 the top will take its place and give your truck some...

The 63mm FMW Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 2011-2016 Duramax diesels. It comes with a Fleece Performance Engineered 63mm FMW compressor wheel and high...

Easily rebuild your lift pump and stage 1 fuel filter assembly on your Cummins equipped 2016-2019 Nissan Titan XD with our complete rebuild kit! Our Fleece Performance Lift Pump and Filter Kit...

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 profile shock mounts are built from high quality 1/4 inch...

1/2 Inch NPT Hex Socket Plug Black. Features: Part Type: Plug Fittings Fitting Size: 1/2 in. NPT Head Style: Internal allen Fitting Color: Black anodized Fitting Material: Aluminum Elevate your...

1/4 Inch NPT Hex Socket Plug Black. Features: Part Type: Plug Fittings Fitting Size: 1/4 in. NPT Head Style: Internal allen Fitting Color: Black anodized Fitting Material: Aluminum Upgrade your...

1/8 Inch NPT Hex Socket Plug Black. Features: Part Type: Plug Fittings Fitting Size: 1/8 in. NPT Head Style: Internal allen Fitting Color: Black anodized Fitting Material: Aluminum The FLEECE...

Replacement 1/8 inch NPT fitting with integral face seal O-ring.Features: Part Type: Plug Fittings Fitting Size: 1/8 in. NPT Head Style: Internal allen Fitting Color: Stainless Fitting Material:...

3/4 Inch NPT Hex Socket Plug Black. Features: Part Type: Plug Fittings Fitting Size: 3/4 in. NPT Head Style: Internal allen Fitting Color: Black anodized Fitting Material: Aluminum The FLEECE...

3/8 Inch NPT Hex Socket Plug Black. Features: Part Type: Plug Fittings Fitting Size: 3/8 in. NPT Head Style: Internal allen Fitting Color: Black anodized Fitting Material: Aluminum The FLEECE...

Dress up your Cummins with this billet aluminum oil cap cover. It's available in four anodized colors and laser etched with the Fleece Performance "F" logo. It is a great accessory to add to your...

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 great accessory to add to your Cummins whether it's...

Dress up your Cummins with this Orange billet aluminum oil cap cover. It is anodized black and laser etched with the Fleece Performance "F". It is a great accessory to add to your Cummins whether...

Dress up your Cummins with this Red billet aluminum oil cap cover. It is anodized black and laser etched with the Fleece Performance "F". It is a great accessory to add to your Cummins whether it's...

The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance now available for Cab and Chassis models!Features: Direct OEM In-Tank...

The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance now available for Cab and Chassis models!Features: Direct OEM In-Tank...