Cylinder liner for Mercedes-Benz

The cylinder liner 003WN28 serves as the internal sleeve within the engine block of Mercedes-Benz machinery. This component creates the chamber where the piston travels during the combustion cycle, managing the heat and friction generated by the engine operation. It maintains the seal required to contain combustion pressures and ensures the proper movement of the piston assembly.

This part is manufactured by Mercedes-Benz to fit specific engine configurations. Proper installation of the liner is necessary to maintain engine compression, manage heat transfer to the cooling system, and regulate oil consumption. By providing a consistent surface for the piston rings, the liner helps preserve the integrity of the engine block and supports the overall efficiency of the power unit.

Cylinder liners function as the primary interface between the reciprocating piston and the engine block. They are engineered to withstand the thermal and mechanical stresses of the combustion process while providing a stable guide for the piston. Replacing a worn or damaged liner is a standard procedure during engine overhauls to restore the cylinder geometry and ensure optimal performance.