85021559
Engine Timing Chain Idler Gear
Mack

This component is vital for the proper operation of the engine’s timing system, guiding the timing chain with precision and stability. Its robust construction ensures long-term durability under high-stress conditions, helping to maintain accurate valve timing. Proper functioning of this gear is essential for engine efficiency, fuel economy, and emissions control. It works in tandem with other timing components to synchronize the crankshaft and camshaft movements, which is critical for optimal engine performance. Regular maintenance and replacement of worn gears can prevent catastrophic engine failures and costly repairs. Source One Parts Center supplies this high-quality gear to help you maintain the integrity of your engine’s timing system, ensuring reliable operation across demanding workloads.