Fleece Performance Coolant Bypass Kit 03-05 5.9L Auto Trans Cummins DDP 67-ECO The Quantum Air intake system

The Quantum Air intake system from AFE is the latest in airflow technology

FREQUENTLY ASKED QUESTIONS:

and so they did

5-02 Cummins could easily described as less than satisfactory

Fleece Performance Coolant Bypass Kit 03-05 5.9L Auto Trans Cummins DDP 67-ECO The Quantum Air intake systemHelp eliminate the possibility of scored rear cylinders and blown freeze plugs on your 5. 9L Cummins with this Coolant Bypass Kit from Fleece Performance! The Fleece Coolant Bypass solves the problem of excessive coolant pressure before it becomes a problem. The integrated secondary thermostat locates at the back of the block and allows coolant to flow freely when at normal operating temperatures ensuring consistent temperatures across all six