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FLEECE PERFORMANCE COOLANT BYPASS KIT |2013-2018 DODGE CUMMINS 6.7L|
Vehicle Specific
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 from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. Our coolant bypass kit adds a secondary thermostat, that unlike other brands, works based on temperature instead of excessive pressure. This solves the problem before pressure becomes an issue by ensuring consistent temperatures across all six cylinders. This is the OG in coolant bypass for the Cummins engine. Many have tried to imitate but there is a reason why ours works consistently vs others. Having equal temps across the block ensure proper cooling and lubrication which in turn means a longer lasting engine.
Benefits
- Lowers coolant temperature at the rear cylinders
- Ensures consistent temperatures across all cylinders
- Prevents damaging coolant pressure build up
- Complete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation.
Why do I need a Fleece Coolant Bypass?
One of the biggest issues on the 6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature / over-pressure condition. The Fleece Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.
Kit Includes:
- Rear coolant bypass thermostat housing
- Front coolant bypass thermostat housing
- New EGR cross-over tube gaskets
- Black braided nylon coolant bypass hose with protective high temperature sleeve and AN fittings
- Mounting hardware
* Patent Pending
APPLICATION NOTES
For model years 2007 - 2018 6.7L trucks, including both automatic and manual equipped transmissions, factory installed transmission fluid heat exchangers are uncommon but can be found in northern climates. For customers with a 6.7L that has a factory installed heat exchanger, an additional heater tube is required and can be purchased at your local Chrysler Dealership [PN:68048997AA] to complete the installation.
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