Cylinder liner for Perkins T4.40

The cylinder liner, identified by part number 748215M1, is a component for the Perkins T4.40 engine. This cylindrical part is installed within the engine block to provide a direct sliding surface for the piston during operation. It acts as a barrier between the piston assembly and the engine block, managing the thermal and mechanical stresses generated during the combustion cycle.

This component is compatible with the Perkins T4.40 engine model. Proper installation of this liner is necessary to maintain the internal dimensions of the cylinder bore and ensure the intended fitment for the piston and rings.

In internal combustion engines, cylinder liners are used to define the combustion chamber and facilitate heat transfer from the piston to the engine cooling system. By providing a replaceable surface, they allow for the restoration of cylinder geometry without requiring the replacement of the entire engine block. Maintaining the integrity of the cylinder wall is necessary for achieving consistent compression and efficient engine operation.