Your best bet is to contact Monaco and ask, you will need your VIN so they can look it up.
(800) 450-6336
mcctech@monacocoach.com
I've contacted them several times needing info and/or parts and they have been very helpful.
My 2002 Windsor takes a Firestone
9376, a single bag.
Yours may be different, I looked at the Monacoers Parts List, there was no listing for a 1996 Windsor but there wasn't any. The Dynasty shows a double bag Goodyear Super Cushion 2B9