Perkins
Cylinder liner for Perkins 4.108
This cylinder liner is designed for the Perkins 4.108 engine. It serves as the internal sleeve for the engine block to facilitate piston movement.
Compatible models
Specifications
- Part number
- 89426190
- Brand
- Perkins
The cylinder liner fits into the engine block of the Perkins 4.108 power unit. It acts as the primary contact surface for the piston as it moves through its stroke, isolating the engine block from the direct friction and thermal stress generated during the combustion process. By maintaining a precise internal diameter, this component ensures the piston rings maintain a proper seal against the cylinder wall.
This part is compatible with the Perkins 4.108 engine configuration. It is engineered to meet the dimensional requirements of this specific engine series to ensure correct fitment within the block. Proper installation of the liner is necessary to maintain cylinder pressure and manage heat transfer from the combustion chamber to the cooling system.
Cylinder liners are used in internal combustion engines to provide a replaceable wear surface for the piston. They allow for the restoration of the cylinder bore without requiring the replacement of the entire engine block. The liner must be installed with precise tolerances to ensure that the piston travels smoothly while preventing gas leakage or oil bypass.

