Caterpillar
Cylinder liner for Caterpillar
This cylinder liner serves as the internal sliding surface for the piston within the engine block of Caterpillar machinery. It is identified by part number WS-455H.
Specifications
- Part number
- WS-455H
- Brand
- Caterpillar
The cylinder liner is a critical component installed within the engine block of Caterpillar heavy machinery. It provides a precise, cylindrical sliding surface for the piston as it moves through its stroke. By housing the combustion process, this component manages the internal environment where the piston rings maintain a seal against the cylinder walls during operation.
This component is compatible with Caterpillar engine configurations and is manufactured by Caterpillar. It functions as a replaceable wear surface, allowing for the restoration of the cylinder bore diameter without requiring the replacement of the entire engine block. This design facilitates maintenance procedures during engine overhauls.
In internal combustion engines, cylinder liners are used to contain the pressure generated by the combustion of fuel and air. They are engineered to dissipate heat effectively from the combustion chamber to the cooling system of the engine block while maintaining the necessary geometry for the piston and ring assembly to function correctly.

