The ornamental design for a portion of a vehiclefront grille, as shown and described.
FIG. 1 is a front view of a portion of a vehicle front grille according to the present invention, with the portion of a vehicle front grille shown within the broken line. The de-emphasized and halftone regions located outside of the broken line form no part of the claimed design, but instead illustrate environmental structure.
FIG. 2 is an enlarged front view of the portion of a vehicle front grille shown in FIG. 1.
FIG. 3 is a front left perspective of the portion of a vehicle front grille shown in FIG. 1. The de-emphasized and halftone regions located outside of the broken line form no part of the claimed design, but instead illustrate environmental structure; and,
FIG. 4 is an enlarged front left perspective view of the portion of a vehicle front grille shown in FIG. 3.
In the Figures the broken line forms an unclaimed boundary of the design.