Cylinder liner for Scania D7A/ B

The cylinder liner is a cylindrical component inserted into the engine block to form the sliding surface for the piston. It serves as a replaceable interface that protects the engine block from direct friction and heat during the combustion process. By maintaining a precise internal diameter, the liner ensures the effective sealing of the combustion chamber, which is necessary for maintaining proper compression and engine power.

This part is compatible with Scania D7A and D7B engines and is identified by part number 14-573140-00. The component is engineered to meet the specific dimensional requirements of these engine models to ensure a correct fit within the block assembly.

In heavy machinery engines, cylinder liners facilitate the reciprocating motion of the piston while managing thermal transfer between the combustion chamber and the cooling system. They allow for the restoration of cylinder geometry during engine overhauls without requiring the replacement of the entire engine block.