Younker Bros., Inc. is the most diversified diesel engine repair shop in the Inland Empire. We have the capabilities to rebuild any model of diesel engine you may own including Cummins, Detroit, Cat, International, Mack and the many different industrial engines. Our rebuilt engines include reconditioned heads. Turbocharger, fuel pumps, injectors, water pumps, oilcoolers, aftercoolers and lube pumps are checked... Read More about Younker Bros