The average cost of repairing a radiator ranges from $400 to $600, which includes cost of parts and labor. This price depends on the type of repair and the professional performing the repairs. The average cost of a radiator ranges from $45 for used radiators to $250 for newer radiators.
Minor repairs, such as hose replacement, cost between $15 and $50. The water pump can cost between $35 and $75; however, these prices do not include the cost of labor. In some instances, the radiator is filled with a solution to seal small holes, which is an effective and inexpensive repair.