Genuine OEM Audi Gear Synchronizer Ring, part number 0A2311283A. This vital internal component of a manual transmission is responsible for matching the rotational speeds of gears before engagement. It enables smooth and effortless gear shifts, preventing grinding and wear. Made from durable metal with brass inserts and weighing 0.118 kg, it is engineered for high precision. Choosing a genuine OEM synchronizer ring ensures factory tolerance, optimal transmission performance, and extended service life.