Abstract: A motor vehicle window molding installation has a molding for concealing a space between an inwardly extending wall of a flanged vehicle body panel and an edge of a window panel. The edge of the window panel overlies a parallel extended wall which intersects the inwardly extending wall of the flanged vehicle body panel and mounts on the parallel extended wall of the flanged vehicle body panel by a curable adhesive. The molding has a rigid high durometer plastic material portion having a C-shaped channel section including spaced apart legs which forcibly grip the opposed faces of the window panel and a base wall connecting the legs. A pliable low durometer plastic material portion is co-extruded with the rigid portion. The pliable portion has a web including a pair of ends which bond to the rigid portion. The web and the rigid portion form a bulbous tubular portion for engaging the inwardly extending wall of the vehicle body panel.