Genuine OEM Audi Generator Pulley, part number 03C903119E. This essential component is mounted on the generator shaft and is driven by the engine's accessory belt, converting mechanical rotation into electrical power. It is positioned at the front of the generator, facilitating the transfer of rotational force. Weighing 0.359 kg, this pulley is engineered for smooth and efficient power transmission. Using a genuine OEM pulley ensures correct belt alignment, reduces wear on the generator bearings, and maintains consistent electrical output for all vehicle systems.