Outside mirror stay nut size 1997 S10?
Best bet is to take the mirror to a hardware store so you can match up the right size nut. Should cost you under a $1.
Found the answer on YouTube! Takes a 10mm socket. But, has an integral lock washer. Thanks everybody for your thoughtful suggestions.
Looking for a Used S-10 in your area?
CarGurus has 1,281 nationwide S-10 listings starting at $1,800.
Search Chevrolet S-10 Questions
Chevrolet S-10 Experts
Related Models For Sale
Used Cars For Sale