Genuine OEM Audi multi-ribbed belt, part number 079903137AB. This belt is essential for driving various engine accessories, such as the alternator, power steering pump, and air conditioning compressor. It is designed for optimal power transmission and durability. Made from a high-quality rubber compound with reinforced cords for longevity. Genuine OEM parts are manufactured to precise specifications, ensuring correct tension and reliable performance, crucial for the proper functioning of all driven accessories.