Genuine OEM Volkswagen 5th Gear Synchronizer Ring, part number 0B7311295C. This essential component within the transmission's 5th gear assembly is responsible for synchronizing the rotational speeds of the gear and the shaft, allowing for smooth and precise gear engagement during shifting. A properly functioning synchronizer ring is vital for preventing grinding and wear in the gearbox. Choosing a genuine OEM synchronizer ring ensures the correct material composition, precise tolerances, and durability required for reliable long-term transmission performance.