Genuine OEM Volkswagen Power Steering Pump, part number 1J0422154H. This pump generates the hydraulic pressure necessary to assist the driver in steering, making turning the wheels easier and more responsive. It is typically mounted on the engine and driven by a belt. Constructed from durable cast metal, this pump weighs approximately 1.59 kg. A genuine OEM power steering pump ensures the correct pressure output, fluid flow, and internal component tolerances for reliable and consistent steering performance.