Cummins
Piston for Cummins QSB
This piston is a core component for the Cummins QSB engine, facilitating the conversion of combustion energy into mechanical motion. It is designed for precise fitment within the engine block to maintain compression and power output.
Compatible models
Specifications
- Part number
- 4025072
- Brand
- Cummins
The piston 4025072 serves as a primary moving component within the Cummins QSB engine. It operates inside the cylinder, where it absorbs the force generated by the combustion of fuel. This force is transferred through the connecting rod to the crankshaft, converting linear energy into the rotational motion required to power the machinery.
This component is engineered specifically for the Cummins QSB engine series. It is designed to interface with the cylinder walls and piston rings to maintain the seal necessary for effective compression and combustion cycles. Proper installation of this piston ensures that the engine maintains its intended power output and operational efficiency.
In internal combustion engines, the piston acts as a movable boundary for the combustion chamber. By maintaining a tight seal, it prevents the escape of gases and ensures that the pressure generated during the power stroke is effectively harnessed to drive the engine's mechanical systems.

