Buy 2012 Audi A8 4.2L V8 A/T Quattro L Sedan Door Seal (Front). A8L. Rear door. interior trim. Weatherstrip - OEM Audi Part # 4H4867369 (4H4-867-369)

Door Weatherstrip. Seal.
Rubber Seal around the Door frame, aka Weatherstrip.

Door Seal

Fits A8

A8L.