Genuine OEM Volkswagen Idler Pulley Bracket, part number 057903417C. This bracket provides a mounting point for the idler pulley in the accessory drive belt system. It ensures proper alignment and tension of the drive belt, contributing to the efficient operation of accessories like the alternator and A/C compressor. Located in the accessory drive belt system. Genuine OEM brackets are manufactured to exact specifications for strength and precise mounting, ensuring the longevity of the belt and pulley system.