8170158
Rocker Arm Shaft
Volvo

The rocker arm shaft is a critical component within the engine's valve train, responsible for supporting and actuating the rocker arms that open and close the engine's valves. Its precise manufacturing ensures smooth operation and accurate valve timing, which are essential for optimal engine performance and efficiency. The shaft's robust construction withstands high mechanical loads and thermal stresses encountered during engine operation. Proper maintenance and timely replacement of this part help prevent valve train failures, reducing costly engine repairs. Source One Parts Center supplies this high-quality shaft, ensuring your engine maintains peak performance and reliability.