Genuine OEM Audi Output Shaft Synchronization Hub, part number 0CS311762A. This component is essential for the smooth operation of the manual transmission, synchronizing the rotational speeds of gears on the output shaft before engagement. It is precisely engineered to fit within the transmission's gear assembly. Weighing 0.276 kg with dimensions of 0.08m x 0.08m x 0.015m, this hub is built to exact specifications. Choosing a genuine OEM synchronization hub ensures precise gear meshing, optimal shift feel, and long-term reliability for your vehicle's drivetrain.