Left. Right. Roof bow rivet. A fastener which consists of a shaft and a head on one end, and when the shaft end is installed it expands and holds the Back Glass Wiper Motor in place. A fastener which secures the window Motor to it's mounting point. Rivet that attaches the Roof Bow to the Roof Panel. Back Glass Wiper. Guide. Mount bracket. Roof Bow. Shield. Window.