Genuine OEM Volkswagen Poly-V-Belt, part number 04L903137E. This belt drives essential accessories such as the alternator, power steering pump, and air conditioning compressor. It is located at position 15 in the diagram. This belt weighs 0.093 kg and has dimensions of 0.33m x 0.13m x 0.024m. Genuine OEM belts are manufactured to precise specifications for optimal grip and durability, ensuring reliable accessory operation.