Genuine OEM Audi Engine Idler Pulley Bracket, part number 059145174A. This robust metal bracket provides crucial support and mounting for an idler pulley within the engine's accessory drive system. Its function is to ensure the idler pulley maintains correct alignment and tension for the serpentine belt. It is positioned to hold idler pulley part 18. Weighing 0.227 kg and measuring 0.11m in length, this bracket is designed for structural integrity. Using a genuine OEM bracket ensures precise mounting points, correct material strength, and long-term durability, which is vital for maintaining proper belt routing and preventing premature wear.