Genuine OEM Nissan Engine Intake Valve, part number 1320100Q0J. This valve is responsible for controlling the intake of the air-fuel mixture into the engine cylinder during the intake stroke. It is located in the cylinder head and works in conjunction with the camshaft. The valve is precisely engineered for exact timing and sealing, ensuring optimal combustion and engine efficiency. Genuine OEM valves maintain the precise tolerances required for smooth engine operation and longevity.