Cummins
Piston for Cummins 6BT
This piston is a core component for the Cummins 6BT diesel engine, responsible for converting combustion energy into mechanical motion. It is designed to fit precisely within the cylinder liner to maintain compression during the engine cycle.
Compatible models
Specifications
- Part number
- 3802757
- Brand
- Cummins
The piston, part number 3802757, serves as a primary moving component within the internal combustion engine. It functions by converting the energy generated during the combustion process into linear mechanical motion, which is then transferred to the crankshaft via the connecting rod. This component is engineered to withstand the internal pressures and thermal loads present during each engine cycle.
This part is compatible with the Cummins 6BT engine, a power unit frequently found in heavy machinery and industrial cranes. The design includes specific grooves for piston rings, which are necessary for sealing the combustion chamber, managing heat transfer, and regulating oil consumption. Proper fitment within the cylinder liner is essential to ensure efficient combustion and to maintain the mechanical integrity of the engine block assembly.
In any reciprocating engine, the piston acts as the moving boundary of the combustion chamber. By maintaining a tight seal against the cylinder walls, it ensures that the energy from the fuel-air mixture is effectively captured to drive the engine's output.

