I would go online to crutchfield.com call them they have our old radio and the tech support guys would know which ones are interchangeable they've always done a really good job for me even if you don't buy anything from them you'll be very educated about your next purchase good luck.
Rev. Jeffrey 2017 Thor Axis 24.1 E450 Windjammer.
Silver Safe-T-Plus Steering Control
SSF-106-40 SumoSprings Solo Front Bump Stop SSR-107-47 SumoSprings Rear Bump Stop
Hellwig 7718 Front Sway Bar & 7180 Rear Sway Bar
Koni FSD Front Shocks 8805-1042 / Koni FSD Rear Shocks 8805-1043