A9040501031
ZB Rocker Arm Spindle
Detroit Diesel

The ZB Rocker Arm Spindle is a specialized shaft designed to support the rocker arm assembly in the engine’s valve train. With a shaft length of approximately 750.40 mm, it provides a stable pivot point for rocker arms, enabling precise valve operation. Its robust construction ensures it withstands the repetitive stresses of engine cycles, contributing to proper valve timing and engine efficiency. Ensuring the integrity of this spindle is vital for maintaining responsive valve actuation, which directly impacts engine power, fuel economy, and emissions. Wear or damage to this component can lead to uneven valve operation, increased engine noise, or performance loss. When seeking replacements, sourcing from reputable suppliers like Source One Parts Center guarantees you receive components that meet stringent quality standards and fit your heavy-duty engine requirements accurately.