21032588
Rocker Arm Spring
Mack

This engine rocker arm spring is a vital component in the valve train, responsible for maintaining proper tension on the rocker arm. It ensures precise valve operation, which is essential for optimal engine performance, fuel efficiency, and emissions control. Made from high-quality materials, this spring withstands the rigors of continuous operation under high stress and temperature conditions. Proper functioning of the rocker arm spring prevents valve float and ensures smooth engine operation, reducing wear and potential engine damage. Regular inspection and replacement are key to maintaining engine reliability, especially in heavy-duty applications where engine performance is critical. Source One Parts Center provides this durable component to support your engine’s longevity and efficiency.