The auxiliary rocker arm, identified by code K 28016, is a critical component in the valve mechanism of the ZV40/48 diesel engine. This part plays a key role in ensuring the smooth transmission of mechanical force between the camshaft and the valve, effectively regulating the valve timing and maintaining optimal engine performance. Precision-engineered for durability and strength, the auxiliary rocker arm is designed to withstand significant mechanical stress and high operating temperatures, contributing to the reliable operation of the engine under demanding conditions.