VEHICLE DOOR STRUCTURE AND MANUFACTURING METHOD FOR VEHICLE DOOR STRUCTURE

The division bar is provided between a fixed window and a vertically slidable window. The division bar is made of resin. A fastening surface opposed to the fastening surface of the main frame is formed at the upper end of the division bar. Further, an insert nut is embedded in an upper end of the division bar so that an axial end surface is exposed at a fastening surface of the division bar. A sealing component made of a resin softer than the division bar is provided around the upper end of the division bar.