Engine Components

Replacement exhaust backpressure sensor pigtail for the 2020-2024 6.7L Power Stroke. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back...

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 continuously illuminated battery lamp on the dash! Designed and produced in-house, our manufacturing...

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 illuminated battery lamp on the dash! Designed and produced in-house, our manufacturing...

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 continuously illuminated battery lamp on the dash! Designed and produced in-house, our manufacturing...

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 harness from the sensor directly to an accessible location on the top of the engine. Produced in-house, our manufacturing process includes...

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 manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get...

Replacement connector with 6" 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 and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck...

Replacement connector with 6" pigtail for use on the 6.6L Duramax turbocharger vane position sensor. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck or...

Our rail pressure sensor wiring harness for the 2006-2010 6.6L Duramax is a direct replacement for GM Part Number 97366636. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need...

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 get the highest quality replacement parts you need to get your truck or car back on...

Replacement connector with 6" 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 crimping to ensure you get the highest quality replacement parts you need to get your truck or...

Replacement connector with 6" pigtail for use on the 6.6L Duramax engine including MAP, BARO, camshaft, and crankshaft sensors. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to...

Replacement connector with 6" 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 ensure you get the highest quality replacement parts you need to get your truck or car...

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 wire cutting and terminal crimping to ensure you get the highest quality replacement parts you...

Replacement connector with 6" 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 terminal crimping to ensure you get the highest quality replacement parts you need to get your truck...

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 manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get 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 fan assembly and connects to the fan and chassis harness. Produced...

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 fan assembly and connects to the fan and chassis harness. Produced...

Replacement crankshaft position sensor connector with 6" Pigtail for the 2004-2016 6.6L Duramax engines. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get...

Replacement connector and 6" pigtail harness for the 1998.5 to 2002 Cummins Camshaft and Crankshaft Position Sensor. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you...

Replacement connector with 6" pigtail for use on the Cummins engine and other vehicle applications. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back...

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 Cummins where a 2003-2005 rocker box style is used. Produced in-house, our manufacturing process includes fully...

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 Cummins where a 2006 and newer rocker box style is used. Produced in-house, our manufacturing process...