Perkins
Piston for Perkins P3
This piston is designed for use in Perkins P3 and 144 series engines. It fits within the cylinder bore to facilitate the conversion of combustion energy into mechanical motion.
Compatible models
Specifications
- Part number
- 734460M91
- Brand
- Perkins
The piston 734460M91 serves as a primary moving component within the engine cylinder. Its function is to receive the force generated by the combustion of fuel and air, translating that energy into linear motion. This motion is then transferred through the connecting rod to the crankshaft, which converts it into the rotational force required to power the machine.
This component is compatible with Perkins P3 and 144 engine models. It is engineered to maintain the necessary clearance within the cylinder liner to allow for proper movement while supporting the piston rings that seal the combustion chamber. By maintaining this seal, the piston helps ensure that compression pressures are contained, which is necessary for the engine to generate its rated power output.
In internal combustion engines, the piston acts as a sliding plug that moves up and down within the cylinder. It must withstand the thermal and mechanical stresses of the combustion cycle while providing a surface for the rings to prevent gas blow-by and manage oil consumption. Proper fitment of the piston is required to maintain the timing and balance of the engine assembly.

