Genuine OEM Audi Synchronizing Hub with Locking Collar, part number 0B1311301. This critical component is an integral part of the manual transmission's synchronizer assembly, responsible for matching the rotational speeds of gears before engagement. This synchronization allows for smooth, effortless gear changes, preventing grinding and wear. It is positioned within the transmission's gear train. Constructed from high-strength, hardened steel, this hub weighs approximately 0.661 kg and measures 0.095m x 0.095m x 0.025m. Choosing a genuine OEM synchronizing hub ensures precise manufacturing tolerances, correct material composition, and optimal performance, which are vital for the long-term reliability and smooth operation of the transmission.

Catalogue entry: SYNCHR.HUB 3./4.gear.