21556611
Engine Oil Pump Drive Gear
Mack

This drive gear is essential for the operation of the engine's oil pump, which circulates lubrication throughout the engine. Its precise gear teeth and robust construction ensure smooth engagement with the pump shaft, maintaining consistent oil flow under demanding conditions. Proper function of this component is critical for preventing engine wear and overheating, especially during high-performance or heavy-duty hauling. Its durability and resistance to wear contribute to the overall reliability of the lubrication system. Regular inspection and timely replacement of this gear can prevent costly engine damage. Source One Parts Center offers high-quality drive gears designed to meet rigorous standards, supporting your truck’s engine longevity and performance.