466GC4102MX
Engine Rocker Arm Shaft
Mack

The engine rocker arm shaft is a pivotal component within the valve train, responsible for transmitting motion from the camshaft to the rocker arms. Its precise operation ensures accurate valve timing, which is essential for optimal engine performance and efficiency. Made from high-quality materials, this shaft offers excellent durability and resistance to wear, even under high-stress conditions typical of heavy-duty engines. Proper functioning of the rocker arm shaft contributes to smooth engine operation, reduced emissions, and improved fuel economy. It also helps prevent valve train noise and potential mechanical failures. Regular inspection and maintenance of this part are crucial for maintaining engine longevity. Source One Parts Center provides this critical component to support the reliable operation of your engine, ensuring your truck maintains peak performance over its service life.