3741-DRKE1207002PT
Radiator
Mack

This radiator is a primary heat exchanger in the engine cooling system, designed to remove heat from the coolant after it cycles through the engine. Heavy-duty Mack radiators use robust cores and fins for high heat rejection, resisting vibration and impact from rough road conditions. The core geometry, tank design, and material choices optimize coolant flow, reduce pressure drop, and maintain steady engine temperatures across a wide operating envelope, including heavy hauls, cold starts, and high-altitude climbs. Proper capacity and fit ensure compatibility with the truck’s cooling system and fan assembly. Regular maintenance includes checking for coolant leaks, cleaning debris from fins, inspecting end tanks for cracks, and verifying cap integrity. A well-maintained radiator prevents overheating, protects engine components, and reduces thermal stress on hardware like turbochargers and exhaust aftertreatment. When replacing, select a model matched to the vehicle’s engine and climate needs. Source One Parts Center carries reliable radiators for demanding service.