Looking for the plain black plastic sill with at least enough of the snap on bolts to hold it in place. Or, if you have any of those bolts, that would work now that I think of it. Thanks.

you shouldn't have any trouble finding this part. I have like 3 sets... but can't really ship any of them at the moment. Should be easy

I have a pair of the sill/scuff plates that I can send to you. They have most of the plastic tie-downs. Can send it to you for $19 total including shipping.





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They sell the plastic snaps at Autozone, in the section with all the nuts and bolts for $2.50 a box. Just make sure to take one with you so that you can find the appropriate one.
Or try a local salvage yard, should be able to locate them for about $5 - 10 for the pair