Genuine OEM Audi Accessory Poly-V-Belt, part number 06A145933D. This belt is crucial for driving various engine accessories such as the alternator, power steering pump, and air conditioning compressor. Measuring approximately 0.41m in length, it is constructed from durable materials for reliable power transmission. Choosing genuine OEM ensures correct tension, flexibility, and resistance to wear for long-lasting performance and prevention of accessory failure.