Fleece Performance FPE-CLNTBYPS-CUMMINS-MAN Cummins Coolant Bypass Kit 2003-2007 Manual Transmission Fleece Performance CORE-400 LED Derringer status indicator

LED Derringer status indicator

Outflows stock by 26 percent

Here at FASS Diesel Fuel Systems

Maintains front end alignment

Fleece Performance FPE-CLNTBYPS-CUMMINS-MAN Cummins Coolant Bypass Kit 2003-2007 Manual Transmission Fleece Performance CORE-400 LED Derringer status indicatorIncreased 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