Cylinder head for Citroën XUD9

The cylinder head, part number 908169K, functions as the upper closure for the engine block in Citroën XUD9 series engines. It seals the cylinders to form the combustion chambers where ignition occurs. This component contains the intake and exhaust ports, along with the seats for the valves that regulate the flow of gases during the engine cycle. By maintaining the integrity of the combustion chamber, it ensures the compression levels necessary for engine operation.

This component is compatible with the Citroën XUD9 LEVAS/WITH engine configuration. It is engineered to align with the specific dimensions and port layouts required for this engine type. The cylinder head manages the thermal transfer from the combustion process to the cooling system, which is a standard function for this type of engine component.

A cylinder head provides the structural housing for the valvetrain and the passages for air and fuel intake and exhaust gas discharge. It must maintain a seal against the engine block under the pressures generated during the power stroke while allowing for the precise timing of valve opening and closing.