Need part number or name help for a rubber isolated nut

[blue2000s]

I just discovered that I need to replace the rubber isolated nuts under the right and left cowl panels. The panel is number 11 in the linked diagram.

http://www.trademotion.com/partlocator/index.cfm?action=getLocator&siteid=214626&chapter=ERQ6931&appSectionid=2600&groupid=2600&subgroupid=2382&componentid=2869&make=29&model=Boxster&year=2000&graphicID=6931205&callout=11&catalogid=2

There is a Torx head screw that holds these panels into the strut towers. The strut towers have a rubber plug with a nut embedded in them that these screws attach to. I need these rubber plugs with the nut.

I can't seem to find the part in the catalogs at all. Does anyone know the part number or name of these guys.

Thanks.