The Komatsu water tank radiator 21U-03-31111 for PC27MR-1 PC28UU-3 PC30MR-1 PC30UU-3 is an automotive replacement part from Komatsu. It restores proper function to the vehicle system it belongs to, replacing an OEM part that has reached the end of its service life. It is commonly in vehicle repair, maintenance, and restoration work.
