Coolant Bypass Kits

Fleece Performance 98.5-18 Dodge Cummins 34.5in Common Rail/VP44 Coolant Bypass Hose (BLK-Braided)

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

Fleece Performance 94-98 Dodge Cummins 39.5in 12 Valve Coolant Bypass Hose (BLK - Braided)

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

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

Fleece Performance 2003-2016 Cummins Coolant Bypass Brackets (Set of Two)

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

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

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

BLOX Racing Honda K-Series Coolant Hose Plug - Silver

ATS Diesel 2003-06 Ford 6.0L Powerstroke Performance Coolant Recirculation Kit

Fleece Performance 03-18 Cummins Coolant Bypass Service Kit

Fleece Performance 13-16 Dodge 6.7L Cummins Coolant Tank Assembly

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 the horsepower is increased there is an increased...

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 the horsepower is increased there is an increased...