Coolant Bypass Kits

Fleece Performance

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

Regular price: £465.60
Regular price
Sale price: £465.60
Unit price: per

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. Thi...

ATS Diesel

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

Regular price: £183.74
Regular price
Sale price: £183.74
Unit price: per

ATS Diesel 2003-06 Ford 6.0L Powerstroke Performance Coolant Recirculation KitUser 1

Wehrli

Wehrli 6.7 Cummins Coolant Fitting - 12 JIC

Regular price: £50.40
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Sale price: £50.40
Unit price: per

6.7L Cummins Thick Flange #12 JIC Male Fitting for Coolant Port Behind Water Pump. Press Fit Connection with High Temp O-Ring Seal and Mounting Bolt Tab.

Wehrli

Wehrli 6.7 Cummins No.10 JIC Coolant Fitting

Regular price: £50.40
Regular price
Sale price: £50.40
Unit price: per

6.7L Cummins Thin Flange #10 JIC Male Fitting for Coolant Port Behind Water Pump. Press Fit Connection with High Temp O-Ring Seal and Mounting Bolt Tab.

Fleece Performance

Fleece Performance 19-22 RAM 2500/3500 Cummins 6.7L Replacement Thermostat Housing w/Aux Port

Regular price: £159.69
Regular price
Sale price: £159.69
Unit price: per

The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 2019-2024 RAM with 6.7L Cummins. The auxiliary port is threaded to accept a -1...

Fleece Performance

Fleece Performance 98.5-07 Dodge 2500/3500 Cummins Replacement Thermostat Housing w/Aux Port

Regular price: £159.69
Regular price
Sale price: £159.69
Unit price: per

The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RAM with 5.9L Cummins and 2013-2018 RAM with 6.7L Cummins. The aux...

Fleece Performance

Fleece Performance 07.5-18 Dodge 2500/3500 Cummins 6.7L Exhaust Back Pressure Relocation Kit

Regular price: £141.26
Regular price
Sale price: £141.26
Unit price: per

The exhaust back pressure relocation Kit for 2007.5-2012 RAM w/ 6.7 Cummins will allow you to relocate the EBP sensor from the factory location on thermostat housing elbow to a new mounting block o...

Fleece Performance

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

Regular price: £93.07
Regular price
Sale price: £93.07
Unit price: per

Fleece Performance 98.5-18 Dodge Cummins 34.5in Common Rail/VP44 Coolant Bypass Hose (SS-Braided)WarrantyThis Part Fits: Year Make Model Submodel 1998-2002 Dodge Ram 2500 Base 2003,2005-2010 D...

Fleece Performance

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

Regular price: £93.07
Regular price
Sale price: £93.07
Unit price: per

Fleece Performance 98.5-18 Dodge Cummins 34.5in Common Rail/VP44 Coolant Bypass Hose (BLK-Braided)WarrantyThis Part Fits: Year Make Model Submodel 1998-2002 Dodge Ram 2500 Base 2003,2005-2010 ...

Fleece Performance

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

Regular price: £104.41
Regular price
Sale price: £104.41
Unit price: per

Replacement coolant bypass hose for our 2019+ Ram 6.7L Cummins coolant bypass kit. WarrantyThis Part Fits: Year Make Model Submodel 2019-2022 Ram 2500 Big Horn 2019-2022 Ram 2500 Laramie 201...

Fleece Performance

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

Regular price: £103.58
Regular price
Sale price: £103.58
Unit price: per

Fleece Performance 94-98 Dodge Cummins 39.5in 12 Valve Coolant Bypass Hose (SS-Braided)WarrantyThis Part Fits: Year Make Model Submodel 1994-1998 Dodge Ram 2500 Base 1994-1998 Dodge Ram 3500 B...

Fleece Performance

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

Regular price: £103.58
Regular price
Sale price: £103.58
Unit price: per

Fleece Performance 94-98 Dodge Cummins 39.5in 12 Valve Coolant Bypass Hose (BLK - Braided)WarrantyThis Part Fits: Year Make Model Submodel 1994-1998 Dodge Ram 2500 Base 1994-1998 Dodge Ram 350...

Fleece Performance

Fleece Performance 07.5-18 Dodge/RAM 2500/3500 Cummins Replacement Coolant Bypass Hose

Regular price: £110.55
Regular price
Sale price: £110.55
Unit price: per

Replacement Coolant Bypass Hose for our 2007.5-2018 Ram 6.7L Cummins coolant bypass kits. This hose is covered with a high temperature protective sleeve. Application Notes: Direct replacement hose ...

Fleece Performance

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

Regular price: £465.60
Regular price
Sale price: £465.60
Unit price: per

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. Thi...

Fleece Performance

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

Regular price: £465.60
Regular price
Sale price: £465.60
Unit price: per

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. Thi...

Fleece Performance

Fleece Performance 03-18 Cummins Coolant Bypass Service Kit

Regular price: £34.38
Regular price
Sale price: £34.38
Unit price: per

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 o...

Fleece Performance

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

Regular price: £465.60
Regular price
Sale price: £465.60
Unit price: per

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. Thi...

Fleece Performance

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

Regular price: £466.82
Regular price
Sale price: £466.82
Unit price: per

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, Decr...

Fleece Performance

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

Regular price: £466.82
Regular price
Sale price: £466.82
Unit price: per

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 Temp...

Fleece Performance

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

Regular price: £465.60
Regular price
Sale price: £465.60
Unit price: per

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. Thi...

Fleece Performance

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

Regular price: £465.60
Regular price
Sale price: £465.60
Unit price: per

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. Thi...

Fleece Performance

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

Regular price: £491.39
Regular price
Sale price: £491.39
Unit price: per

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 Te...

Fleece Performance

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

Regular price: £465.60
Regular price
Sale price: £465.60
Unit price: per

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. Thi...

Fleece Performance

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

Regular price: £465.60
Regular price
Sale price: £465.60
Unit price: per

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. Thi...

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