Do you mean the van in the middle picture, window behind driver?
That should be a CRL T-Vent VW21452L
Pros - large widow with a half opening sliding vent.
Cons - not usable in rain
If you want any CRL windows, let me know which ones. I have an account with them and try to help forum members out price wise. Sometimes they are cheaper on Amazon than I can do with shipping. If you are near a CRL warehouse that has stock, I can set up a will call. Thxs.
Beastie 3: 2002 7.3 EB Cargo: Agile TTB, CCV Mid Top, Custom Walk Through, Lots of stuff added. BlingMyRig.com