When I replaced my vent window gaskets, I didn't need any adhesive for the weatherstrip in the long channel. I was able to simply pull out what I had, flip it end for end and push it back into the channel. It has really quieted the wind noise in my cab. If you do need adhesive, I think I'd try Goop brand clear automotive adhesive; it's available at most auto parts stores for about $5.00.
Richard
