21415405
Engine Rocker Arm
Volvo

The engine rocker arm is a crucial component in the valve train, responsible for translating camshaft motion into valve operation. Its precise movement ensures accurate timing and efficient airflow into and out of the engine cylinders. Made from high-strength materials, it withstands the stresses of high RPM and thermal expansion. Proper functioning of the rocker arm is vital for maintaining engine performance, fuel efficiency, and emissions compliance. Regular inspection and replacement of this part can prevent costly engine damage. Source One Parts Center offers this component as part of their engine parts lineup, supporting optimal engine operation and longevity.