Genuine OEM Volkswagen Speedometer Drive Pinion, part number 02G409197A. This precision-machined geared shaft is responsible for transmitting rotational speed from the transmission to the speedometer, ensuring accurate vehicle speed readings. It features a specific tooth count and shaft design for proper engagement and reliable operation. Weighing approximately 0.00865 kg and measuring 97mm in length, this pinion is engineered to exact factory tolerances. Choosing genuine OEM ensures the correct gear profile and material hardness for smooth, accurate speedometer function and long-term durability.