Scania
Piston for Scania engines
This piston is designed for Scania engines. It facilitates the compression cycle and power transfer within the engine block.
Specifications
- Part number
- 87-990500-42
- Brand
- Scania
The piston 87-990500-42 is a component for Scania engines used in heavy machinery and trucks. It moves reciprocally within the cylinder to compress the air and fuel mixture before ignition and receives the expansive force of the combustion gases. This linear energy is transferred to the crankshaft to generate rotational movement for the machine. The component includes specific grooves for piston rings, which maintain the seal between the piston and the cylinder wall to ensure compression and manage oil control.
This part is compatible with various Scania engine configurations. It is manufactured by the actual manufacturer to meet the dimensional and surface finish requirements necessary for proper operation within the cylinder bore. Maintaining the correct piston dimensions is necessary to minimize friction and wear during the engine cycle.
In internal combustion engines, the piston acts as the moving boundary of the combustion chamber. It must withstand the pressure and thermal loads generated during the power stroke while maintaining a tight fit to prevent gas leakage and oil bypass into the combustion area.

