My '54 Cruiser originally had a Marvel, but some PO had swapped it out. So, I pulled the tacky replacement, basically a "bar fridge" out & found & bought a replacement 110v Marvel that so far works great, but 110v only. I recently heard that the Hehr Co. manufactures a 110v / 12v
/ propane refridgerator - the working guts of which more or less fit our Marvel fridges perfectly
with little to no modification necessary!! Can anyone confirm?? Personally it sounds way too good to be true!! Nothing about an Airstream restoration is that easy.