21161160
Engine Rocker Arm
Volvo

The engine rocker arm is a vital component in the valve train, translating camshaft rotation into valve movement to control air and fuel intake and exhaust. Its precise operation ensures optimal engine performance, efficiency, and emissions compliance. Made from high-strength materials, it withstands the stresses of high-speed operation and thermal cycling. Proper functioning of the rocker arm is essential for maintaining valve timing and preventing engine damage. Its design facilitates smooth motion and reduces wear, contributing to engine longevity. Easy to replace during maintenance, this part supports the overall health of the engine’s valve system. Source One Parts Center supplies this critical component to help keep your engine running reliably and efficiently in demanding conditions.