Mercedes-Benz
Cylinder head for Mercedes-Benz OM
This cylinder head is designed for the Mercedes-Benz OM and OM651 engine series. It serves as the top cover for the engine block, housing the valve train and sealing the combustion chambers.
Specifications
- Part number
- 908923
- Brand
- Mercedes-Benz
The cylinder head, part number 908923, is a component designed for the Mercedes-Benz OM651 engine. It mounts to the top of the engine block to seal the combustion chambers and contains the intake and exhaust valves, fuel injectors, and glow plugs. The component includes internal passages for the engine cooling and lubrication systems to manage thermal dissipation and oil flow during operation.
This part is compatible with the Mercedes-Benz OM and OM651 engine models. It maintains the necessary compression levels and prevents the leakage of combustion gases or fluids from the engine block.
A cylinder head functions by providing the structural housing for the valve train and the combustion space. It allows for the controlled intake of air and fuel and the exhaust of combustion byproducts while maintaining a seal against the high pressures generated within the engine cylinders.

