Genuine OEM Audi Alternator Support, part number 07L903805AB. This component serves as the primary mounting bracket for the alternator, ensuring its stable and secure positioning within the engine bay. It is typically mounted to the engine block or cylinder head. Constructed from cast aluminum, this support is designed for high strength and resistance to vibration. Genuine OEM parts are critical for alternators as they ensure correct alignment and load distribution, preventing premature wear and ensuring reliable electrical system function.