The parts for the sun roof mechanism are rarely cleaned and serviced because of the placement. The sun roof often get stuck and make bad noices. This part may be one of the required parts to make it work properly again. This is a genuine Audi part, not remanufactured. 2 pieces are required for each car.
Fits: Audi Coupe quattro & S2 coupe B3/B4, 100, A6, S6 & S6 Plus C4, A8 / S8 D2 1991-2003. Referance for original Audi parts numbers: 4A0877445D - 4A0 877 445 D