The ornamental design for a frontbumper for motorvehicle, as shown and described.
FIG. 1 is a right side perspective view of a front bumper for motor vehicle showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a left side elevation view thereof; and,
FIG. 5 is a top plan view thereof.
The color black indicates color contrast.
The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.