Caterpillar
Cylinder liner for Caterpillar 4/5/6
This cylinder liner is designed for use in Caterpillar 4, 5, and 6 series engines. It serves as the internal surface of the cylinder where the piston travels during engine operation.
Compatible models
Specifications
- Part number
- 14-488320-00
- Brand
- Caterpillar
The cylinder liner 14-488320-00 functions as the internal sleeve for the engine block in Caterpillar 4, 5, and 6 series machinery. It provides the specific surface area where the piston moves in a reciprocating motion during the combustion cycle. By acting as a replaceable interface, it separates the piston assembly from the engine block, managing the friction and thermal loads generated while the engine is running.
This component is compatible with the Caterpillar 4, 5, and 6 series engine configurations. It is engineered to maintain the structural integrity of the cylinder bore, ensuring that the piston rings can maintain the necessary seal for compression. Proper installation of this liner supports the overall efficiency of the internal combustion process within the engine block.
In heavy machinery engines, cylinder liners are used to define the combustion chamber environment. They facilitate heat transfer from the piston to the cooling system and provide a controlled surface for lubrication, which is necessary to minimize wear on the piston rings and the cylinder wall itself.

