Skip to content

Fast and Secure Nationwide Shipping in 1–2 days.

Photo - Primary

Collection: Coolant Bypass Kits

Compare (0/5)

33 products

Photo - Primary

Coolant Bypass Kits

Wehrli 6.7 Cummins No.10 JIC Coolant Fitting

Regular price $46.56
Sale price $46.56 Regular price $48.00
Fleece Performance 07.5-18 Dodge 2500/3500 Cummins 6.7L Exhaust Back Pressure Relocation Kit

Coolant Bypass Kits

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

Regular price $114.99
Sale price $114.99 Regular price $103.49
Fleece Performance 19-22 RAM 2500/3500 Cummins 6.7L Replacement Thermostat Housing w/Aux Port

Coolant Bypass Kits

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

Regular price $129.99
Sale price $129.99 Regular price $116.99
Fleece Performance 98.5-07 Dodge 2500/3500 Cummins Replacement Thermostat Housing w/Aux Port

Coolant Bypass Kits

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

Regular price $129.99
Sale price $129.99 Regular price $116.99
Fleece Performance 98.5-18 Dodge Cummins 34.5in Common Rail/VP44 Coolant Bypass Hose (SS-Braided)

Coolant Bypass Kits

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

Regular price $75.76
Sale price $75.76 Regular price $68.18
Fleece Performance 98.5-18 Dodge Cummins 34.5in Common Rail/VP44 Coolant Bypass Hose (BLK-Braided)
Fleece Performance 2019+ Ram 2500/3500 Cummins 6.7L Replacement Coolant Bypass Hose

Coolant Bypass Kits

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

Regular price $84.99
Sale price $84.99 Regular price $76.49
Fleece Performance 94-98 Dodge Cummins 39.5in 12 Valve Coolant Bypass Hose (SS-Braided)

Coolant Bypass Kits

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

Regular price $84.31
Sale price $84.31 Regular price $75.88
Fleece Performance 94-98 Dodge Cummins 39.5in 12 Valve Coolant Bypass Hose (BLK - Braided)

Coolant Bypass Kits

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

Regular price $84.31
Sale price $84.31 Regular price $75.88
Fleece Performance 07.5-18 Dodge/RAM 2500/3500 Cummins Replacement Coolant Bypass Hose

Coolant Bypass Kits

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

Regular price $89.99
Sale price $89.99 Regular price $80.99
Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stainless Steel Braided Line

Coolant Bypass Kits

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

Regular price $379.00
Sale price $379.00 Regular price $323.10
Fleece Performance 98.5-02 Dodge 5.9L Cummins VP Coolant Bypass Kit

Coolant Bypass Kits

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

Regular price $379.00
Sale price $379.00 Regular price $323.10
Fleece Performance 03-18 Cummins Coolant Bypass Service Kit

Coolant Bypass Kits

Fleece Performance 03-18 Cummins Coolant Bypass Service Kit

Regular price $27.99
Sale price $27.99 Regular price $25.19
Fleece Performance 03-07 Manual Transmission Cummins Coolant Bypass Kit w/ SS Braided Line

Coolant Bypass Kits

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

Regular price $379.00
Sale price $379.00 Regular price $323.10
Fleece Performance 03-07 Dodge 5.9L / 04.5-12 6.7L Cummins Coolant Bypass Kit (03-07 Manual Trans)

Coolant Bypass Kits

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

Regular price $379.00
Sale price $379.00 Regular price $323.10
Fleece Performance 2019+ Ram 2500/3500 Cummins 6.7L Coolant Bypass Kit

Coolant Bypass Kits

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

Regular price $379.99
Sale price $379.99 Regular price $341.99
Fleece Performance 13-18 RAM 2500/3500 6.7L Cummins Coolant Bypass Kit

Coolant Bypass Kits

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

Regular price $379.99
Sale price $379.99 Regular price $341.99
Fleece Performance 94-98 12V Coolant Bypass Kit w/ Stainless Steel Braided Line

Coolant Bypass Kits

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

Regular price $379.00
Sale price $379.00 Regular price $323.10
Fleece Performance 94-98 Dodge 5.9L Cummins 12V Coolant Bypass Kit

Coolant Bypass Kits

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

Regular price $379.00
Sale price $379.00 Regular price $323.10
Fleece Performance 07.5-12 Dodge/RAM 2500/3500 6.7L Cummins Coolant Bypass Kit

Coolant Bypass Kits

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

Regular price $399.99
Sale price $399.99 Regular price $359.99

About Pure Auto Performance

Pure Auto Performance started with a simple idea: helping people find quality parts they can trust without the stress and confusion that usually comes with upgrading a car. We’re enthusiasts just like you, and we know how much pride goes into every build. Whether it’s improving a daily driver or working on a long-term project, the right part can make your car feel brand new again. That’s why we put care into everything we offer, choosing products that genuinely make a difference on the road.

We also believe car parts should be more than just nice to look at they should last, perform well, and fit the vision each driver has. Some customers prefer clean, subtle upgrades, while others love bold changes that completely transform their vehicle. No matter the style, our goal is to make the process easy, honest, and enjoyable. At Pure Auto Performance, we’re here to support you at every step so you can build a car that feels right for you. This brand is more than a store. It’s a community of people who love driving and want the best for their cars.

1-2 Day Fast Delivery
30 Days Free Returns
Secure Payment
24/7 Customer Support
High Quality Parts