302GC4120
Engine Water Pump Pulley
Mack

This pulley is a critical component of the engine's cooling system, responsible for transmitting power from the drive belt to the water pump. Its design ensures smooth rotation and proper alignment, which are essential for efficient coolant circulation. A high-quality pulley reduces belt wear and minimizes the risk of slippage, helping to maintain consistent engine temperatures. Its durable construction withstands the stresses of high rotational speeds and thermal expansion. Proper functioning of the water pump pulley directly impacts engine cooling performance, preventing overheating and potential engine damage. Regular inspection and replacement of worn or damaged pulleys are vital for maintaining system reliability. Source One Parts Center offers this essential part to keep your cooling system operating optimally.