20706586
Engine Rocker Arm
Mack

The engine rocker arm is a vital component in the valve train, responsible for translating camshaft motion into opening and closing of the engine valves. Its precise operation directly impacts engine performance, efficiency, and emissions. Crafted from high-strength materials, this rocker arm endures the rigors of high RPM and thermal stress, ensuring longevity and consistent operation. Proper functioning of this part is essential for maintaining optimal valve timing, which influences power output and fuel economy. Regular inspection and replacement of worn rocker arms can prevent more extensive engine damage. Source One Parts Center provides this critical component, designed to meet rigorous standards for durability and performance in heavy-duty engines.