Mercedes-Benz
Camshaft for Mercedes-Benz OM402
This camshaft regulates the opening and closing of intake and exhaust valves within the Mercedes-Benz OM402 engine. It ensures precise valve timing and lift synchronization with the crankshaft movement.
Compatible models
Specifications
- Part number
- A4020502101
- Brand
- Mercedes-Benz
The camshaft A4020502101 serves as a central component of the valve train system for the Mercedes-Benz OM402 diesel engine. By utilizing specifically profiled lobes, this component controls the timing, duration, and lift of the intake and exhaust valves. It operates in synchronization with the engine crankshaft to facilitate the intake of air and the expulsion of exhaust gases during the combustion cycle. This component is manufactured by Mercedes-Benz and is designed for use in the OM402 engine series commonly found in industrial cranes and heavy machinery.
In internal combustion engines, the camshaft is responsible for the mechanical actuation of the valve train. As it rotates, the lobes push against the valve lifters or rocker arms, overcoming spring pressure to open the valves at the correct interval. Proper camshaft function is necessary to maintain the volumetric efficiency, power output, and torque characteristics of the engine. Wear or damage to the lobe profiles can lead to incorrect valve timing, which directly affects the combustion process and overall engine performance.

