BusDepot has them listed as bumper impact strip mounting clip.  75� each.

http://www.busdepot.com/details.jsp?partnumber=171807249A

Mike

vt wrote:
> Does anyone out there know where I can purchase a small supply of those
> little plastic or nylon "clips" which hold the rear bumper rubber guard on
> to the bumper itself?  They are not really clips, per se.  but, the are
> made
> to be inserted into the inner side of the rubber bumper guard strip, and
> then inserted into the appropriate slots in the metal bumper.
> Tks
>
> Sam Conant
> Colchester, VT
>