FIG. 1 is a front isometric view of a window component showing our new design. FIG. 2 is a rear isometric view thereof. FIG. 3 is a front elevation view thereof. FIG. 4 is a rear elevation view thereof. FIG. 5 is a right side elevation view thereof. FIG. 6 is a left side elevation view thereof. FIG. 7 is a top plan view thereof; and, FIG. 8 is a bottom plan view thereof.