FLEECE FPE-CLNTBYPS-CUMMINS-0607 CUMMINS COOLANT BYPASS KIT 2006-2007 AUTO TRANS

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 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.

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.
• Kits for MY 2003+ include billet hose brackets.

Why do I need a Fleece Coolant Bypass? One of the biggest issues on the 5.9/6.7L 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. The '03-'07 5.9L automatic transmission version will eliminate the factory transmission fluid heat exchanger.

The heat exchanger is not a fluid cooler; it was designed for use in cold climates to warm the transmission fluid with the engine coolant. It is not necessary for use in warm climates or high horsepower applications, nor does it detrimentally affect the trucks performance when removed.

All ‘07-‘13 6.7 trucks, both automatic and manual equipped transmissions, do not have a transmission fluid heat exchanger.

Enhance your Cummins engine's performance with the FLEECE FPE-CLNTBYPS-CUMMINS-0607 Cummins Coolant Bypass Kit 2006-2007 Auto Trans. This essential upgrade addresses the critical coolant flow issue faced by the rear cylinders of your 5.9/6.7L Cummins, ensuring optimal performance and increased reliability under demanding conditions.

The Fleece Coolant Bypass Kit is designed to significantly lower coolant temperatures and maintain consistent heat distribution across all cylinders, which in turn protects your engine from hazardous pressure build-up. By incorporating a secondary thermostat that reacts to temperature rather than pressure, this kit preemptively resolves overheating issues, saving you from costly repairs and downtime.

• Lowers coolant temperature at the rear cylinders for improved efficiency.
• Ensures consistent temperatures across all cylinders to enhance engine longevity.
• Prevents damaging coolant pressure build-up, safeguarding against engine failure.
• Complete installation kit includes braided hose and AN O-ring fittings for a leak-free setup.
• Billet hose brackets included in kits for model year 2003 and newer.

The Fleece Coolant Bypass Kit is a vital investment for the reliability and longevity of the 5.9/6.7L Cummins engines. Optimize your performance and avoid the risks associated with overheating today!