Genuine OEM Audi Power Steering Pump Pulley, part number 06D145255B. This component is crucial for driving the power steering pump, providing the necessary hydraulic assistance for the steering system. Constructed from durable metal, it measures approximately 131mm in diameter and weighs 0.20 kg. Choosing a genuine OEM pulley ensures the correct belt alignment, factory-specified tolerances, and long-term durability, preventing premature wear on the belt and pump.