Cylinder liner for Scania D13A/ B

The cylinder liner, part number 21896941, serves as a critical component within the internal combustion engine of Scania machinery. This cylindrical part is installed into the engine block to provide a precise sliding surface for the piston, effectively forming the combustion chamber where power is generated. By acting as a replaceable wear surface, the liner protects the engine block from the constant friction and thermal loads experienced during operation.

This component is compatible with Scania D13A and D13B engines. It is manufactured by Scania to meet the specific dimensional and thermal requirements of these engine models, ensuring proper fitment and structural integrity within the cylinder assembly. Regular inspection and replacement of the cylinder liner are necessary to maintain engine compression, manage oil consumption, and ensure the overall operational efficiency of the power unit.

In heavy machinery engines, cylinder liners facilitate the transfer of heat from the combustion process to the cooling system. They provide a controlled environment for the piston rings to seal against, which is essential for maintaining the pressure required for consistent engine performance.