Genuine OEM Volkswagen transmission gear, part number 0CS311345J. This gear is a critical component within the transmission assembly, responsible for power transfer and gear ratio management. It is located on the transmission shaft as indicated in the assembly diagram. Manufactured to precise factory tolerances, this gear ensures smooth operation and long-term durability. Genuine OEM parts are essential for transmission repairs to maintain the exact tooth profile and metallurgical properties required for quiet, reliable performance under load.