Cummins
Engine piston for Cummins 6BT
This engine piston is designed for the Cummins 6BT engine. It facilitates the conversion of combustion energy into mechanical power within the cylinder assembly.
Compatible models
Specifications
- Part number
- 91245510
- Brand
- Cummins
The engine piston, part number 91245510, acts as the primary moving component within the combustion chamber of the Cummins 6BT engine. It functions by receiving the force generated during the combustion process and transferring this energy to the connecting rod, which then drives the crankshaft to produce rotational torque. The piston maintains the necessary compression levels by housing the piston rings that seal the combustion space against the cylinder wall. This movement is essential for the intake, compression, power, and exhaust strokes of the engine cycle.
This component is engineered specifically for the Cummins 6BT engine series. It is compatible with the dimensions and operational requirements of this engine platform. The piston is designed to fit within the cylinder bore and interact with the standard connecting rod and ring configurations specified for the 6BT engine.
In internal combustion engines, pistons serve as the interface between the expanding gases from fuel ignition and the mechanical drivetrain. By reciprocating within the cylinder, the piston manages the pressure required to extract work from the fuel-air mixture. Proper piston fitment ensures that the engine maintains its intended compression ratio and thermal management during operation.

