When replacing the glass, always be sure to check the window lifter rail for corrosion. Replacing it with the window glass will save future headaches. The window lifter rail is part # 91154205742 and be sure to add the seal, part # 91154249140 sold individually. Driver's side fitment. 1 needed per car.
"Window 911 / 964 - Door - Targa / Cabrio - Left"