I am in desperate need of the back weather seal molding rubber that goes all the way around the back tailgate and glass for a 91 s15 jimmy.

 

GM dealer or a boneyard.

 

LMC truck parts and accessories carries that as well. Part # 29-7663 endgate weatherstrip, blazer/jimmy 83-94. $109.95. last years catalog. 1-800 562-8782. I dealt with them a lot when I had my 91. Good quality, good prices, good company to deal with.
I Haven't needed them yet with my 2000, but thanks for reminding me to get a new catalog.

 

I do not think they have that anymore. I looked on their site and came up with nothing.