Mercedes-Benz
Piston for Mercedes-Benz OM102
This piston is designed for the Mercedes-Benz OM102 engine. It facilitates the conversion of combustion energy into mechanical motion within the cylinder assembly.
Compatible models
Specifications
- Part number
- 87-179500-42
- Brand
- Mercedes-Benz
The 87-179500-42 piston serves as a primary moving component within the Mercedes-Benz OM102 engine. It is engineered to reciprocate within the cylinder bore, where it compresses the air-fuel mixture during the intake and compression strokes and receives the force generated by the combustion event. This mechanical energy is then transferred through the connecting rod to the crankshaft to provide rotational power to the machine.
This component is specifically compatible with the Mercedes-Benz OM102 engine platform. It features integrated grooves designed to accommodate piston rings, which maintain the seal between the combustion chamber and the crankcase to manage compression and oil control. Proper installation and clearance within the cylinder are necessary to ensure the engine maintains its intended compression ratios and operational efficiency.
In internal combustion engines, pistons act as the moving boundary of the combustion chamber. They must withstand the thermal and mechanical loads of the power cycle while maintaining a sliding seal against the cylinder wall. By managing these forces, the piston ensures that the energy released during fuel ignition is effectively converted into the mechanical work required to drive the machinery.

