I'm not for sure, but I think it was either JD or Case. I found them by going to the parts counter and looking at various ones. I'll see if I come up with anything.

 

The front upper, front lower and rear lower isolators are still available from Dodge, but the rear upper isolator is discontinued. Does anyone know how tall the upper mounts are supposed to be? Maybe on to something with 2012 Ford E350 van mounts from Dorman if I can get a height measurement on the upper part of the mount, perhaps one of those urethane ones that haven't seen 20 years of squish... -Chuck