I think I might have found what you were looking for, my Blazer is a 4 door so I'm not real sure which piece you need, if this isn't it you may be able to find it here. If I did this post right you can just click add to cart and it will take you right to it.
If not go to:
http://www.buy-oem-parts.com/storefront.htm
Under body parts catalog select the year and make then click search
then select the model
then click the links in this order
Quarter Panel
Glass
Qtr glass
Weatherstrip
Weatherstrip Back - 2 door 95-05 $14.21
$11.08 
