Could somebody tell me what number 28 is?
It's an O-ring, part of the cooling system
Yep I agree O-ring
I agree also, looks like an O'ring in the picture.
Looking for a Used Grand Am in your area?
CarGurus has 36 nationwide Grand Am listings and the tools to find you a great deal.
Search Pontiac Grand Am Questions
Pontiac Grand Am Experts
Related Models For Sale