Genuine OEM Volkswagen Poly-V-Belt, part number 04E145933AD. This belt is responsible for driving various engine accessories, including the alternator, power steering pump, and air conditioning compressor. It is located on the front of the engine, wrapping around multiple pulleys. Manufactured from durable, high-tensile rubber compounds to withstand heat and stress. Genuine OEM belts ensure precise fitment and optimal tension for reliable accessory operation.