Genuine OEM Volkswagen Transmission Change Gear, part number 0B7311250. This precision-engineered gear wheel is a vital component within the vehicle's transmission, designed to transmit power and facilitate specific gear ratios for optimal driving performance. It measures approximately 13.6 cm in diameter and weighs 1.745 kg. Using a genuine OEM transmission gear ensures exact tooth profiles, material hardness, and dimensional accuracy for smooth, reliable, and long-lasting transmission operation.