An ornamentaldesign for a vehicle rear bumper cover insert, as shown and described.
FIG. 1 is a left side elevational view of a left vehicle rear bumper cover insert (the right vehicle rear bumper cover insert being a mirror image and is not shown);
FIG. 2 is a right side elevational view of the vehicle rear bumper cover insert;
FIG. 3 is a front elevational view of the vehicle rear bumper cover insert;
FIG. 4 is a top plan view of the vehicle rear bumper cover insert;
FIG. 5 is a bottom plan view of the vehicle rear bumper cover insert;
FIG. 6 is a perspective view of the vehicle rear bumper cover insert; and,
FIG. 7 is a second perspective view of the vehicle rear bumper cover insert.