677GB49A
Engine Camshaft Idler Gear
Mack

The engine camshaft idler gear is a key component in the timing drive system, ensuring precise synchronization between the camshaft and crankshaft. It helps maintain accurate valve timing, which is critical for optimal engine performance and efficiency. Made from durable materials, this gear withstands the stresses of high-speed operation and continuous use. Proper functioning of the idler gear prevents timing chain slack or misalignment, which could lead to engine misfires or damage. Regular inspection and replacement are vital for maintaining engine reliability and performance. This component plays a crucial role in the smooth operation of the valve train, directly impacting engine power and fuel economy. Source One Parts Center provides this essential gear to keep your Mack engine running reliably and efficiently.