Thanks Luke09, but that's the push clip that works for the hole on the inside right of the back door. The clips I'm looking for are the two that help retain the bumper cover below the side rail clips. They fit in the hole shown and the bumper cover slides forward into them using the notched circle in the second pic.
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That one is hard because it isn't in the parts list for the FJ, instead they want you to buy the little bracket assembly it is attached to, Rh/Lh: 52155/6-35030 ($10~15).
I eventually found the little clip by itself, after some digging (mine broke): 90467-09206 ($1~2).
It is used by a ton of Toyota vehicles, in a lot of interior trim locations.
