Cylinder head for Nissan YD22

The cylinder head, part number 908507K, is a critical component for the Nissan YD22 engine. It mounts to the top of the engine block to seal the combustion chambers where the air-fuel mixture ignites. The design incorporates the intake and exhaust valve systems, cooling passages for thermal management, and ports for injectors and spark plugs. This component is engineered to maintain the necessary compression levels within the engine cylinders.

This specific cylinder head is compatible with the Nissan YD22 engine. It is manufactured to meet the original design specifications for this engine series, ensuring proper alignment with the engine block and associated internal systems. The part facilitates the movement of gases and manages heat dissipation during engine operation.

In internal combustion engines, the cylinder head acts as a cover for the cylinders, forming the top of the combustion chamber. It provides the housing for the valve train, including valves, springs, and lifters, and contains the passages that allow coolant and oil to circulate through the engine to maintain operating temperatures.