Genuine OEM Audi Power Steering Pump Pulley, part number 038145255D. This multi-ribbed pulley is a key component of the power steering system, responsible for transferring rotational power from the engine's accessory belt to the power steering pump. It ensures the pump operates at the correct speed to provide consistent hydraulic pressure for steering assistance. Weighing 0.098 kg and with a diameter of 0.12m, this pulley is engineered for precise fit and smooth operation. Choosing a genuine OEM pulley guarantees the correct belt profile and material durability for long-lasting performance and reduced noise.