21557105
Engine Timing Gear
Mack

This precision-engineered timing gear is critical for synchronizing the engine’s valve and piston movements. It ensures accurate timing of the camshaft and crankshaft, which is essential for optimal engine performance, fuel efficiency, and emissions control. A high-quality timing gear reduces the risk of timing chain failure and engine misfires, contributing to longer engine life. Proper installation and maintenance of this component are vital for maintaining engine reliability. Its durable construction withstands the stresses of high-speed operation and thermal cycling. Source One Parts Center provides this essential gear to support your engine’s timing system, ensuring smooth and efficient operation.