Nissan
Cylinder head for Nissan ZD3
This cylinder head seals the top of the cylinder block for Nissan ZD3, ZD30, and ZD30 LEVAS/WITH engines. It provides the necessary housing for intake and exhaust valves, coolant passages, and oil flow channels.
Compatible models
Specifications
- Part number
- 908506K
- Brand
- Nissan
The cylinder head 908506K serves as the upper closure for the engine block, forming the combustion chambers where the power cycle occurs. It integrates the valve seats for intake and exhaust, while providing internal routing for engine coolant and oil circulation. The component also includes the necessary housings for injectors to ensure proper fuel delivery into the cylinders.
This part is designed for the Nissan ZD3, ZD30, and ZD30 LEVAS/WITH engine series. It maintains the structural integrity of the engine assembly by managing the internal pressures and temperatures generated during operation. Proper sealing of the cylinder head is necessary to prevent compression loss and to maintain the thermal efficiency of the engine cooling system.
In internal combustion engines, the cylinder head acts as the primary interface for gas exchange and combustion containment. It houses the valve train components and facilitates the movement of fluids required for lubrication and heat dissipation. By securing the top of the engine block, it ensures that the compression ratio remains consistent across all cylinders during the engine cycle.

