Genuine OEM Hyundai Drive Belt Tensioning Roller, part number 2528725010. This component maintains proper tension on the engine's accessory drive belt, ensuring smooth and efficient operation of various engine accessories. It is typically located within the engine bay, part of the serpentine belt system. Weighing approximately 0.59 kg, this roller is designed for durability. Genuine OEM tensioning rollers provide precise belt tension, preventing slippage and premature wear of the drive belt and associated components.