Genuine OEM Audi Transmission Change Gear, part number 0CS311149A. This precision-machined gear is an essential component within the manual or automatic transmission assembly. It works in conjunction with other gears to transmit power and allow for smooth, efficient ratio changes. This gear is designed to withstand high torque and rotational forces within the gearbox. Weighing approximately 0.64 kg, it features specific tooth profiles for optimal engagement. Choosing a genuine OEM change gear ensures precise tooth geometry, correct material hardness, and factory tolerances, which are vital for quiet operation, long service life, and reliable power transfer.