Fleece Performance 03-18 Cummins Coolant Bypass Service Kit

Fleece Performance 94-98 12V Coolant Bypass Kit w/ Stainless Steel Braided LineInstallation Instructions

Another product from Fleece Performance built out of necessity is the 1998.5-2002 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When...

Fleece Performance 07.5-12 Dodge/RAM 2500/3500 6.7L Cummins Coolant Bypass Kit

Another product from Fleece Performance built out of necessity is the 2003-2013 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When...

Fleece Performance 03-05 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided LineInstallation Instructions

Fleece Performance 94-18 Dodge 2500/3500 Cummins Replacement O-Ring Kit For Coolant Bypass Kit

Another product from Fleece Performance built out of necessity is the 1998.5-2002 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When...

Fleece Performance Universal Pre-Formed 5/8in ID Hose w/ 90 Deg. Ends/1in ID T-Fitting

Wehrli Duramax Coolant Plug

Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stainless Steel Braided LineInstallation Instructions

Fleece Performance 03-07 Manual Transmission Cummins Coolant Bypass Kit w/ SS Braided LineInstallation Instructions

Another product from Fleece Performance built out of necessity is the 2003-2013 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When...

Fleece Performance 2019+ Ram 2500/3500 Cummins 6.7L Coolant Bypass Kit

Fleece Performance 13-18 RAM 2500/3500 6.7L Cummins Coolant Bypass Kit

Fleece Performance 06-07 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided LineInstallation Instructions

Another product from Fleece Performance built out of necessity is the 2003-2013 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When...

2013-2016 6.7L Cummins A/C Line Reroute Kit - If you are looking to do an aftermarket turbo set up like a 2nd Gen Swap Kit, or Compund Kit then this...