Genuine OEM Audi Change Gear, part number 02M311129Q. This precision-engineered gear is a critical component within the transmission, responsible for transferring power and enabling gear ratio changes. It operates within the transmission assembly, engaging with other gears to facilitate vehicle movement. Weighing 0.996 kg, this gear is made from high-strength metal, designed for durability and resistance to wear. Choosing a genuine OEM change gear ensures exact tooth profiles, correct material hardness, and factory tolerances for quiet, efficient, and long-lasting transmission performance.