The ornamental design for a windowcomponentextrusion, as shown and described.
FIG. 1 is a top perspective view of a window component extrusion; and,
FIG. 2 is a bottom perspective view thereof.
The window component extrusion is shown with a symbolic break in its length. The appearance of the window component extrusion between the break lines forms no part of the claimed design. The broken lines illustrate portions of the window component extrusion that form no part of the claimed design.