Nissan
Piston for Nissan B440
This piston is designed for the Nissan B440 diesel engine. It manages the combustion process by moving within the cylinder to drive the crankshaft.
Compatible models
Specifications
- Part number
- 9900349
- Brand
- Nissan
The piston 9900349 serves as a primary component within the Nissan B440 diesel engine. It functions by converting the energy produced during the combustion of the air-fuel mixture into mechanical motion. As the piston travels within the cylinder bore, it compresses the mixture and transmits the force of the combustion event through the connecting rod to the crankshaft.
This component is engineered for the Nissan B440 engine. It features specific grooves designed to accommodate piston rings, which facilitate a seal within the combustion chamber to maintain compression and minimize gas leakage during engine operation.
In internal combustion engines, the piston acts as the moving boundary of the combustion chamber. It must withstand the cyclical pressures and thermal loads generated during the intake, compression, power, and exhaust strokes. By maintaining a proper fit within the cylinder, the piston ensures the efficient conversion of chemical energy into mechanical power, which is necessary for the consistent operation of the machinery.

