Fleece Performance 98.5-02 Dodge 5.9L Cummins VP Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-VP

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 can cause excessive pressure to build in the cooling...

Fleece Performance 03-18 Cummins Coolant Bypass Service Kit - FPE-CLNTBYPS-CUMMINS-SER-KIT

Complete kit to service your Fleece Performance Coolant Bypass - Includes all O-rings, fasteners, and a new thermostat. Two thermostats included to service all production years, you will only use one (1) of the included thermostats when replacing your...

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

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 can cause excessive pressure to build in the cooling...

Fleece Performance 03-07 Dodge 5.9L / 04.5-12 6.7L Cummins Coolant Bypass Kit (03-07 Manual Trans) - FPE-CLNTBYPS-CUMMINS-MAN

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 can cause excessive pressure to build in the cooling...

Fleece Performance 2019+ Ram 2500/3500 Cummins 6.7L Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-19

All new Fleece Performance coolant bypass for the 2019+ RAM with 6.7L Cummins! Our patent pending design seamlessly integrates with your truck for an OE fit-and-finish. Increased Coolant Flow, Decreased Coolant Temperatures: The rear cylinders on the 6...

Fleece Performance 13-18 RAM 2500/3500 6.7L Cummins Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-1318

The Fleece Performance coolant bypass for the 2013-2018 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish. Features Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 6.7L Cummins suffer...

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

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 can cause excessive pressure to build in the cooling...

Fleece Performance 94-98 Dodge 5.9L Cummins 12V Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-12V

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 can cause excessive pressure to build in the cooling...

Fleece Performance 07.5-12 Dodge/RAM 2500/3500 6.7L Cummins Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-0712

The Fleece Performance coolant bypass for the 2007.5-2012 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish. Features Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 6.7L Cummins suffer...

Fleece Performance 06-07 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided Line - FPE-CLNTBYPS-CUMMINS-0607-SS

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 can cause excessive pressure to build in the cooling...

Fleece Performance 04.5-07 Dodge 5.9L Cummins Coolant Bypass Kit (06-07 Auto Trans) - FPE-CLNTBYPS-CUMMINS-0607

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 can cause excessive pressure to build in the cooling...

Fleece Performance 03-05 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided Line - FPE-CLNTBYPS-CUMMINS-0305-SS

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 can cause excessive pressure to build in the cooling...