Genuine OEM Volkswagen V-belt, part number 5W0145933B. This belt is responsible for driving essential engine accessories such as the alternator, power steering pump, and air conditioning compressor. It is positioned on the crankshaft pulley and routed through various accessory pulleys. Made from high-strength, durable rubber compounds to resist wear, heat, and cracking, ensuring reliable operation. Genuine OEM belts are manufactured to exact length and tension specifications for optimal power transfer and longevity.