Glacier Diesel Power | 2003-2018 Dodge Ram 5.9L / 6.7L Cummins Cylinder Head Heater Hose Adapter

1/2" MPT to 3/4" Hose Barb Cylinder Head Heater Hose Adapter.

Allows connection of a 3/4" heater hose to one of the 1/2" cylinder head coolant ports.