Coolant Bypass Kits
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Wehrli 6.7 Cummins Coolant Fitting - 12 JIC
$67.38
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 6.7 Cummins No.10 JIC Coolant Fitting
$67.38
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 2003-2016 Cummins Coolant Bypass Brack...
$90.81
Fleece Performance 2003-2016 Cummins Coolant Bypass Brackets (Set of Two)This Part Fits: Year Make Model Submodel 2003,2005-2007 Dodge Ram 2500 Laramie 2003-2007 Dodge Ram 2500 SLT 2006-2007 Dodge Ram 2500...
Fleece Performance 03-18 Cummins Coolant Bypass Service Kit
$48.80
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...
Fleece Performance 94-98 12V Coolant Bypass Kit w/ Stainl...
$399.91
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...
Fleece Performance 94-98 Dodge 5.9L Cummins 12V Coolant B...
$399.91
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...
Fleece Performance 07.5-12 Dodge/RAM 2500/3500 6.7L Cummi...
$420.90
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...
Fleece Performance 04.5-07 Dodge 5.9L Cummins Coolant Byp...
$399.91
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...
Fleece Performance 03-05 Auto Trans Cummins Coolant Bypas...
$399.91
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...
Fleece Performance 94-18 Dodge 2500/3500 Cummins Replacem...
$30.26
Replacement O-ring Kit for all Fleece Cummins Coolant Bypass Kits includes 3 new square cut O-rings, 1 new standard O-ring, and 2 new AN fitting O-rings. When used with MY94...
Fleece Performance 98.5-02 Dodge 5.9L Cummins VP Coolant ...
$399.91
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...
Fleece Performance Universal Pre-Formed 5/8in ID Hose w/ ...
$53.04
Universal preformed 5/8" hose with 90 degree ends and T-fitting (1" ID on the T). Create clean routings and installations with this preformed coolant hose. See graphic for hose lengths.
Wehrli Duramax Coolant Plug
$43.64
Wehrli Duramax Coolant PlugFor the Ram Ax Coolant Plug owners who need reliable performance, Wehrli offers the bypass kits. Quality materials and precise tolerances ensure consistent performance over the long...
Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stain...
$399.91
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...
Fleece Performance 03-07 Manual Transmission Cummins Cool...
$399.91
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...
Fleece Performance 03-07 Dodge 5.9L / 04.5-12 6.7L Cummin...
$399.91
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...
Fleece Performance 2019+ Ram 2500/3500 Cummins 6.7L Coola...
$400.90
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...
Fleece Performance 13-18 RAM 2500/3500 6.7L Cummins Coola...
$400.90
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...
Fleece Performance 06-07 Auto Trans Cummins Coolant Bypas...
$399.91
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...
Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypas...
$399.91
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...
Fleece Performance 13-16 Dodge 6.7L Cummins 2nd Gen Swap ...
$419.91
2013-2018 6.7L Cummins A/C Line Reroute Kit - If you are looking to do an aftermarket turbo set up like a 2nd Gen Swap Kit, or Compound Kit then this...
Find the right Coolant Bypass Kits at Bull Strap. Our extensive inventory features premium coolant bypass kits sourced from trusted manufacturers and designed to meet or exceed OEM specifications. From daily drivers to weekend warriors, we've got the parts that keep your vehicle performing at its best.
Keep your engine running at the optimal temperature with high-quality coolant bypass kits from Bull Strap. Overheating can cause serious damage, and our cooling components are engineered to provide maximum heat dissipation and long-term reliability. Protect your investment with parts you can trust.
Browse our coolant bypass kits collection today and find exactly what your vehicle needs. With competitive pricing, fast shipping, and expert support, Bull Strap makes it easy to get the right parts, right when you need them.