Genuine OEM Audi Alternator Bracket, part number 059903143BJ. This robust cast metal bracket is engineered to securely mount the alternator to the engine block, ensuring its stable position and correct alignment with the serpentine belt system. A properly mounted alternator is crucial for consistent power generation and battery charging. Weighing 0.722 kg, this bracket is designed to withstand engine vibrations and stresses. Choosing a genuine OEM alternator bracket guarantees precise mounting points, material strength, and structural integrity, preventing misalignment that could lead to premature belt wear or alternator damage.