Genuine OEM Nissan valve lifter, part number 132311KC1A. This component is a crucial part of the engine's valve train. Valve lifters, also known as tappets, are responsible for transferring the motion from the camshaft to the valves, opening and closing them at the correct time to allow for fuel intake and exhaust. This ensures the engine runs smoothly and efficiently. Genuine Nissan valve lifters are manufactured to precise tolerances for optimal performance and durability.