This is a new original Audi AG / BEHR MFTS. This unit has three pins, but it can replace a four pin sensor. This sensor has a correct calibration, as some of the replicas don't.
Fits: Audi coupe B2/B3, S2 coupe, coupe quattro B3, cabriolet, avant or sedan, 80 / RS2 B4, A4, A4 quattro, 80, 90, 100 / S4 / S6 / S6 Plus C4, 100 / 100 quattro / 200 C3, (UR) quattro and Sport quattro 1981-2007. Referance for original Audi parts numbers: 034919369C - 034 919 369 C