Genuine OEM Volkswagen Poly V-Belt, part number 03L998037C. This belt is crucial for driving essential engine accessories like the alternator, power steering pump, and air conditioning compressor. It is designed to maintain consistent tension and provide reliable power transfer. The belt measures 1.07 meters in length and 0.021 meters in width. Genuine OEM belts are manufactured to exact specifications, ensuring proper fitment, durability, and resistance to heat and wear, which is critical for maintaining the functionality of driven accessories.