Cylinder head for Nissan ZD3

The cylinder head, part number 4412022, mounts to the top of the engine block to seal the cylinders and create the combustion chamber. This component houses the intake and exhaust valves, valve seats, valve guides, and fuel injectors. Its internal passages facilitate the circulation of engine coolant to manage thermal loads during operation.

This component is compatible with Nissan ZD3 and ZD30 engine models. It is engineered to maintain the structural integrity required to contain the pressures and temperatures generated within the combustion cycle of these diesel engines.

A cylinder head functions as the upper closure of the engine combustion system. It provides the necessary housing for the valvetrain and fuel delivery components while ensuring a gas-tight seal against the engine block. Proper sealing is necessary to maintain the compression ratios required for efficient engine operation and power output.