Genuine OEM Audi Synchronizer Ring, part number 02T311269B. This ring is an essential internal component of the manual transmission, designed to synchronize the rotational speeds of gears before engagement, allowing for smooth and precise shifts. It is located within the gear cluster inside the transmission housing. Weighing 0.066 kg, this ring is manufactured to exact tolerances for optimal friction and durability. Using a genuine OEM synchronizer ring ensures proper gear engagement, prevents grinding, and maintains the longevity and performance of the transmission.