The ornamental design for a windowcomponentextrusion, as shown and described.
FIG. 1 is a top right perspective view of a window component extrusion
showing my new design, the window component extrusion being of indefinite
length;
FIG. 2 is a bottom left perspective view thereof;
FIG. 3 is a top right perspective view of a second embodiment of a window
component extrusion showing my new design, the window component extrusion
being of indefinite length; and,