Cylinder liner for Scania TD40A

The cylinder liner, part number 4284602, serves as a critical component within the engine block of Scania TD40A machinery. This cylindrical part is inserted into the engine block to provide a defined sliding surface for the piston and its rings. By acting as the primary interface for the piston assembly, the liner protects the engine block from direct wear and manages the thermal environment generated during the combustion process.

This component is compatible with the Scania TD40A engine. It is installed to maintain proper compression, facilitate effective lubrication of the piston, and ensure efficient combustion cycles. The liner is a standard engine component that allows for the restoration of cylinder geometry and surface finish during engine overhauls.

Cylinder liners are used in internal combustion engines to create a replaceable wear surface for the piston. They isolate the engine block from the heat and mechanical friction of the combustion chamber, allowing for easier maintenance and repair of the cylinder bore without requiring the replacement of the entire engine block.