Genuine OEM Audi Power Steering Pump Pulley, part number 038145255A. This pulley is essential for driving the power steering pump, enabling hydraulic assistance for steering. It is typically located on the front of the engine, driven by an accessory belt. The pulley has a diameter of approximately 0.119 meters and weighs 0.41 kg. Opting for a genuine OEM pulley ensures precise balance and durability, preventing premature wear on the power steering pump and accessory belt.