Genuine OEM Audi Alternator Support, part number 079903805AC. This support bracket is designed to securely mount the alternator to the engine assembly, ensuring proper alignment and tension for the drive belt. It is identified as part number 1 in the diagram. This component is typically made of durable metal to withstand engine vibrations and loads. Genuine OEM parts are engineered for exact fit and long-term durability, crucial for maintaining the charging system's function.