Buy 2003 Audi TT 1.8L A/T FWD Base Convertible Door Seal. Door and components. Weatherstrip - OEM Audi Part # 8N0837701B (8N0-837-701-B)

W'strip. Door.
Rubber seal around the Door frame, aka Weatherstrip. Seal. Belt. Surround. Weatherstrip.

Door Seal

Fits TT