21129454
Engine Cooling Fan Hub
Mack

The cooling fan hub is an integral part of the engine’s cooling system, connecting the fan to the drive mechanism. It ensures the fan operates efficiently to dissipate heat from the radiator, preventing engine overheating. Designed for durability, it resists corrosion and mechanical stress, maintaining reliable performance over time. Proper functioning of the fan hub is crucial for maintaining optimal engine temperature, especially under heavy loads or extreme conditions. Regular inspection and timely replacement help avoid overheating issues that could lead to engine damage. Source One Parts Center supplies this high-quality component to support your truck’s cooling system, ensuring consistent and effective temperature regulation for reliable operation.