Wiring Harnesses

FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors as well as digital dashes, EGT modules, and...

Our replacement turbine shaft speed sensor works on all Cummins Holset HE351VE and HE300VE/VG turbos on the 6.7L Dodge, MY 2007.5-2024. Replaces Cummins and Holset P/N's including: 5550060, 5327846H,...

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for...

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 to repair both sides when damaged by a broken...

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 to repair both sides when damaged by a broken...

Westin's Parking Sensor Harness Extension is an essential accessory for vehicles equipped with grille guards. This extension ensures that parking sensors, which may be obstructed or relocated by the...

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 replace the entire fan and clutch assembly.  This...

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 replace the entire fan and clutch assembly.  This...

Our Fleece Performance adapter harness allows the early (2007.5-2012) Dodge 6.7L to run the updated turbo actuator that is used on 2013 and up VGT Turbochargers. Replacement for Cummins P/N 5347703...

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

Replacement connector with 6" pigtail for use on the 6.7L Cummins, including ISL and ISX engines. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes...

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for...