The ornamental design for a spraysuppressiondevice for a vehicle, as shown and described.
FIG. 1 is a perspective view, showing my new design of a spray suppression device for a vehicle comprising a series of components, wherein the separations indicate no particular height;
FIG. 2 is a perspective view showing my new design, from another angle, of the spray suppression device for a vehicle comprising a series of components, wherein the separations are again used to indicate no particular height;
FIG. 3 is an end view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken lines showing additional spray suppression components show the spray suppression device and such components in one condition of use.