Clutch Masters High Performance Hydraulic Bearing for Audi A3 and TT Quattro as well as Volkswagen Beetle, CC, EOS, Golf R, Golf R32, GTI, Jetta, and Passat. Part number N3743-A is designed to work with the factory OEM clutch kit or after market single disc clutch kit built to OEM specifications. (Use N3743-AT if you are using a FX725 or FX850 Twin disc)