Cylinder liner for Cummins ISX/QSX15

The cylinder liner with part number 5468985 is a component for the Cummins ISX/QSX15 internal combustion engine. It inserts into the engine block to form the inner wall of the cylinder, providing a precise surface for the piston and rings to slide against during reciprocating motion. This component protects the engine block from direct contact with the piston assembly and helps manage the thermal environment within the combustion chamber.

This liner is compatible with Cummins ISX and QSX15 engine models. It facilitates heat transfer from the combustion process and piston friction to the engine cooling system, which is essential for maintaining proper operating temperatures. A secure fit between the liner and the engine block prevents the leakage of coolant or combustion gases, ensuring consistent compression and oil control.

Cylinder liners act as the primary interface for piston movement in heavy-duty engines. They are engineered to withstand the internal pressures and temperatures generated during operation while providing a stable path for the piston. Proper installation ensures the engine maintains its intended efficiency and power output during operation in industrial machinery and cranes.