Radiator grille unit for a vehicle

[0001]FIG. 1 is a right, front perspective view of a radiator grille unit for a vehicle according to the design;

[0002]FIG. 2 is a front view thereof;

[0003]FIG. 3 is a right side view thereof; and,

[0004]FIG. 4 is a top view thereof.

[0005]The broken lines in the drawings illustrate portions of the radiator grille unit for a vehicle that form no part of the claimed design.