24426580
Rocker Arm Shaft
Mack

The rocker arm shaft is a key component in the valve train, supporting rocker arms that actuate engine valves. Its precise alignment and robust construction ensure smooth operation and accurate valve timing, which are essential for optimal engine performance. The shaft must withstand high stresses and thermal cycles, making durability a critical feature. Proper maintenance and timely replacement of the rocker arm shaft help prevent valve train failure, which can lead to costly engine damage. This part contributes significantly to maintaining engine efficiency, power output, and emissions compliance. Source One Parts Center offers high-quality rocker arm shafts designed to meet the demanding requirements of heavy-duty engines, ensuring reliable operation over the long term.