Wiring Harnesses

Gain additional flexibility in your harness routings with this 18" extension harness for the Cummins and Duramax rail pressure sensor. Produced in-...

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...

Fleece Performance 20-24 GM 3.0L LM2/LZ0 Duramax Injector Harness Pigtail

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...

Fleece Performance 20-24 Ford F-250/F-350 6.7L Powerstroke Exhaust Back Pressure Sensor Pigtail

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...

Fleece Performance 06-10 GM 2500/3500 Duramax 6.6L Rail Pressure Sensor Harness

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,...

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 97...

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...

Replacement 48RE neutral safety switch connector with 6" pigtail for use on the 2006-2007 5.9L Cummins. Produced in-house, our manufacturing proces...

Fleece Performance 07.5-18 Dodge 2500-3500 6.7L Cummins MAP Sensor Pigtail

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...