25153999
Engine Cooling Fan Pulley
Mack

This cooling fan pulley is an integral part of the engine's cooling system, responsible for driving the cooling fan via the serpentine belt. Its precise design ensures smooth rotation and proper belt tension, which are critical for effective heat dissipation from the engine. A well-functioning pulley minimizes belt slippage and wear, extending the lifespan of the belt and related components. Maintaining optimal engine temperature is vital for performance and preventing overheating, especially under heavy loads or extreme conditions. This pulley’s durable construction withstands high rotational speeds and environmental stressors. Regular inspection and replacement are recommended to keep the cooling system operating efficiently. Source One Parts Center offers this component as a dependable replacement to support engine cooling performance.