Cylinder head for Nissan G9U

The cylinder head, part number 1104120V01, acts as the upper closure for the engine block cylinders, creating the combustion chamber where the fuel-air mixture ignites. It houses the intake and exhaust valves, valve seats, springs, and often the camshaft and fuel injectors. By managing the flow of air and fuel into the cylinders and directing exhaust gases out, this component is central to the engine's operation and power generation.

This component is compatible with Nissan G9U and Nissan M9R LEVAS/WITH engines. It is engineered to maintain the necessary seal against the engine block to ensure proper compression and prevent the leakage of gases or coolant during the combustion cycle.

In internal combustion engines, the cylinder head provides the structural housing for the valvetrain and maintains the integrity of the combustion process. It must withstand the thermal and mechanical stresses generated within the engine while ensuring that fluids remain separated and pressure is contained within the cylinders.