6.7 LITER DIESEL. MAIN. A component which prevents a leak at the Intercooler Hose. A component which prevents the coolant expansion tank Hose from leaking. A round Ring used to Seal between the Radiator Hose and it's mounting surface. Charge Air Cooling. Engine Coolant Bypass Pipe O-Ring. Engine Cooling. From 01/18/2022. Radiator Coolant Hose Seal. By - Passenger o -. Charge Air Cooler. Connector o -. Engine Coolant Bypass Pipe O -. Engine Coolant Overflow O -. Intercooler. Radiator Coolant O -. Reservoir o -. Water outlet o -. Water pump tube o -. Included with: Hose, Lower Hose, Reservoir Hose, Upper Hose, Water outlet Hose, Water pump tube.