Aluminum Upper Coolant Pipe for 2010-2018 6.7L Cummins equipped Ram 2500 / 3500 HD trucks. Replaces the OEM rubber upper coolant hose for the radiator inlet and comes powder coated in your choice of colors! For use with OEM RAM radiator. Aftermarket radiators may cause fitment issues if the inlet location varies from factory part dimensions. – – Replaces the following MOPAR Part Numbers: 68166469AC, 68166469AA, 68166469AB, 68224266AB, 68224266AA, 55056954AB, 55056954AA, 68227796AB, 68227796AA