466GC498MX
Engine Rocker Arm
Mack

This precision-engineered engine rocker arm plays a crucial role in the valve train system, translating camshaft motion into valve operation. Its robust construction ensures reliable performance under demanding conditions, contributing to optimal engine breathing and efficiency. Properly functioning rocker arms are vital for maintaining engine timing and power output, making them essential for engine longevity. Designed for durability, this component withstands high stresses and thermal cycles, reducing maintenance needs and preventing costly engine repairs. Source One Parts Center offers high-quality replacements that meet or exceed OEM standards, ensuring your engine runs smoothly and efficiently. Investing in a reliable rocker arm enhances overall engine performance, fuel economy, and emissions compliance, making it a key part of your truck's powertrain system.