Genuine OEM Audi Alternator Support, part number 06E903143B. This robust bracket serves to securely mount the alternator to the engine block, ensuring its proper alignment and maintaining the correct belt tension for the accessory drive system. Constructed from strong metal, it provides the necessary support and durability for reliable operation. This part is critical for the consistent performance of the vehicle's charging system. Genuine OEM supports are engineered for exact fit and load-bearing capacity.