Mercedes-Benz
Piston for Mercedes-Benz OM401
This piston is designed for use in the Mercedes-Benz OM401 engine. It serves as a primary internal component within the combustion chamber of this power unit.
Compatible models
Specifications
- Part number
- 40264600
- Brand
- Mercedes-Benz
The piston with part number 40264600 functions within the Mercedes-Benz OM401 engine. It converts the energy generated by the combustion process into linear motion, which is then transferred to the crankshaft through the connecting rod. During the four-stroke cycle, this component compresses the air-fuel mixture, receives the force from the combustion event, and facilitates the expulsion of exhaust gases. Its dimensions and surface finish are engineered to interface with the piston rings to maintain compression and minimize gas leakage within the cylinder.
This component is compatible with the Mercedes-Benz OM401 engine model. It is designed to meet the specific requirements of this engine platform to ensure proper fitment and operation. The piston operates under high pressures and temperatures inside the combustion chamber, making its precise integration with the cylinder bore and ring set necessary for maintaining engine output and efficiency.
In internal combustion engines, pistons act as the moving boundary of the combustion chamber. They must withstand the mechanical and thermal loads of the power stroke while maintaining a seal against the cylinder walls to prevent blow-by and oil consumption. Proper piston function is necessary for consistent engine performance and the reduction of internal friction during operation.

