Here’s a link that was noted in a forum post here a while ago by a member. Kinda forgot about it and just had a reason to dig it out, thought some here may not know about it. You need to do a little trial and error to get where you want to be. Change the page number in your browser bar to move through the catalog. I checked gmpartswiki.com but got a no result when searching for the catalog to buy, but may have been doing it wrong. If you’re not familar with these catalogs, they have one pagewith the parts list and another page with an exploded view that references back to the list-those pages may be a number of pages apart. For exp the exploded view of the front susp is on pg 2199 and the list of associated PNs is on page 2268.
http://www.gmpartswiki.com/getpage?pageid=1698
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