Fleece Performance Coolant Bypass Kit 03-07 5.9L Manual Trans Cummins DE-VC400HX40 The patented radial flank drive

The patented radial flank drive tabs virtually eliminate the wear that is common with all other round tab multi-disc torque converters

They frequently fail leaving you without 4 wheel drive when you need it

Note: Only fits vehicles with straight 2-1/2" coupling to intake manifold

Fits single and dual rear wheel applications on 2017

Fleece Performance Coolant Bypass Kit 03-07 5.9L Manual Trans Cummins DE-VC400HX40 The patented radial flank driveHelp eliminate the possibility of scored rear cylinders and blown freeze plugs on your 5. 9 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