The Engine Piston Kit is a crucial component of the commercial truck's engine. It is responsible for converting the pressure created by the combustion of fuel into mechanical energy. The piston moves up and down within the engine cylinder, allowing the fuel-air mixture to ignite and generating the force needed to power the vehicle. The piston kit typically includes the piston, piston rings, piston pin, and related hardware necessary for proper installation and functioning of the piston assembly.
| OEM | NAME | QTY |
| 3688099 | Piston | 6 |
compatible(Supersedes):3686366 3687897 3688100