466GC4102M
Engine Rocker Arm Shaft
Mack

The engine rocker arm shaft is a key component in the valve train assembly, responsible for supporting and transmitting motion to the rocker arms. Its precise engineering ensures smooth operation of the engine's intake and exhaust valves, directly impacting performance and efficiency. Made from high-strength materials, this shaft resists wear and fatigue, maintaining proper valve timing under demanding conditions. Proper functioning of this part is critical for maintaining optimal engine power, fuel economy, and emissions compliance. Its robust construction minimizes maintenance needs and enhances engine longevity. Source One Parts Center supplies this essential component to ensure your engine operates reliably and efficiently in heavy-duty applications.