dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes O-ring and cam-lock and is a direct replacement for your OEM cover. Dress up your engine bay with our billet...

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

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

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

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...

Replacement EPDM hose for the Fleece Performance coolant bypass for model years 2003-2005 (Fleece part numbers FPE-CLNTBYPS-CUMMINS-0305 and FPE-CLNTBYPS-CUMMINS-0305-SS).

Replacement connector and 6" pigtail for the fuel injector wiring harness connector where it mates to the rocker box wiring harness on MY 2003-2005 5.9L Cummins equipped Ram trucks.  Includes...

Complete installation kit for CW style turbochargers on the 2003-2007 RAM with 5.9L Cummins. Kit Includes: Turbocharger exhaust inlet gasket, T3 non-divided Turbocharger oil drain gasket Turbocharger...

The PowerFlo 1000 high performance 12mm stroker CP3 pump for the 2003-2007 5.9L Cummins is capable of supporting up to 1,000+ RWHP! Features: Full fuel delivery to 6,000+ RPM. New OEM unmodified FCA...

Eliminate the installation headaches associated with a non-flexible OE drain line with our ALL NEW silicone hose drain tube kit. This turbo drain kit is designed for use with all 5.9L Cummins...

Get the optimal seal with the Fleece Performance fire ring head gasket for the 2003-2007 Dodge 6.7L Cummins. This head gasket is a direct replacement for use with our 5.9L Freedom Series Performance...