Coolant Bypass Kits
Coolant Bypass Kits
Optimize your engine's performance with our premium selection of coolant bypass kits. Designed for a range of Cummins models, these kits enhance cooling efficiency while providing essential durability and reliability. Whether you're performing an engine swap or upgrading your existing system, our coolant bypass kits ensure optimal temperature management for higher performance.
Why Choose Our Coolant Bypass Kits?
- High-quality materials and construction for long-lasting performance.
- Simplifies coolant routing for better engine cooling.
- Pre-formed hoses and fittings for easier installation in tight spaces.
- Compatible with various Dodge and RAM Cummins engines from 12V to 6.7L.
We offer a diverse range of products, including:
- Fleece Performance Universal Pre-Formed 5/8in ID Hose w/ 90 Deg. Ends
- Fleece Performance 13-16 Dodge 6.7L Cummins 2nd Gen Swap A/C Line Reroute Kit
- Fleece Performance 03-07 Dodge 5.9L Coolant Bypass Kits with options like stainless steel braided lines
- Fleece Performance Replacement O-Ring Kits specifically designed for coolant bypass applications
Each coolant bypass kit is engineered to meet the specific needs of your Cummins engine, offering precision fittings and high-quality construction. Discover how these kits can enhance your vehicle's cooling system and ensure optimal performance on and off the road.
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Wehrli 6.7 Cummins No.10 JIC Coolant Fitting - WCF205-136
Wehrli
$55.056.7L 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.Press Fit Connection with High Temp O-Ring Seal and Mounting Bolt Tab#10 JIC Male Fitting for Coolant...$55.05 -
Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stainless Steel Braided Line - FPE-CLNTBYPS-CUMMINS-VP-SS
Fleece Performance
$409.09Increased 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...$409.09 -
Fleece Performance 98.5-02 Dodge 5.9L Cummins VP Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-VP
Fleece Performance
$409.09Increased 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...$409.09 -
Fleece Performance 03-18 Cummins Coolant Bypass Service Kit - FPE-CLNTBYPS-CUMMINS-SER-KIT
Fleece Performance
$39.47Complete 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...$39.47 -
Fleece Performance 03-07 Manual Transmission Cummins Coolant Bypass Kit w/ SS Braided Line - FPE-CLNTBYPS-CUMMINS-MAN-SS
Fleece Performance
$409.09Increased 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...$409.09 -
Fleece Performance 03-07 Dodge 5.9L / 04.5-12 6.7L Cummins Coolant Bypass Kit (03-07 Manual Trans) - FPE-CLNTBYPS-CUMMINS-MAN
Fleece Performance
$409.09Increased 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...$409.09 -
Fleece Performance 2019+ Ram 2500/3500 Cummins 6.7L Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-19
Fleece Performance
$410.13All 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...$410.13 -
Fleece Performance 13-18 RAM 2500/3500 6.7L Cummins Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-1318
Fleece Performance
$410.13The 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...$410.13 -
Fleece Performance 94-98 12V Coolant Bypass Kit w/ Stainless Steel Braided Line - FPE-CLNTBYPS-CUMMINS-12V-SS
Fleece Performance
$409.09Increased 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...$409.09 -
Fleece Performance 94-98 Dodge 5.9L Cummins 12V Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-12V
Fleece Performance
$409.09Increased 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...$409.09 -
Fleece Performance 07.5-12 Dodge/RAM 2500/3500 6.7L Cummins Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-0712
Fleece Performance
$431.19The 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...$431.19 -
Fleece Performance 06-07 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided Line - FPE-CLNTBYPS-CUMMINS-0607-SS
Fleece Performance
$409.09Increased 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...$409.09