302GC479M
Engine Water Pump Pulley
Mack

This pulley is a key component of the engine’s cooling system, driving the water pump to circulate coolant and maintain optimal engine temperature. Its durable construction ensures reliable operation under high rotational speeds and thermal stresses. Proper functioning of this pulley is vital for preventing overheating, which can lead to engine damage. Its precise design allows for smooth belt operation, reducing wear and noise. Regular inspection and replacement of this part help sustain engine performance and longevity. Source One Parts Center supplies this pulley as a dependable part for maintaining the cooling system in heavy-duty trucks, ensuring consistent engine operation.