There are different condensers made, some for "factory installed AC", others for the "dealer add on AC". I do not think you will find new ones available at any normal parts place, maybe a collector/eBay?
I last worked on an '82 Renegade that had the original "dealer add on AC". I was able to have the condenser cleaned, pressure checked. I hooked it back up, had the entire system flushed and recharged, and it worked, no leaks. You might get lucky this way.
I do not like the "dealer add on air" as much as the "factory installed air"
The brackets for the compressor and idler pulleys are definitely not as well thought out as the "factory air" brackets. But, it does work fine. The single V-belt spinning the compressor is OK, but it will require periodic adjustment. Those compressors really put a "load" on the belt when the clutch locks up.
I installed a "Jeep air" kit on my green Scrambler. It uses a universal condenser, like mentioned above, with do it yourself brackets. I had to trim my passenger side headlight bucket. The inside unit "looks" factory, but it is not 100% correct, but close enough for most people, unless you are completing a 100% correct restoration. On that note, the "dealer add on" inside unit looks way different then the "factory AC" unit.
I thought about trying to find all the original parts/pieces to install AC on my Green Scrambler. But, most tsuff would be 30 years old, and probably used. And, there are a bunch of parts to search for. In the end, I went with the JeepAir kit, and I am pretty happy with it
On a RHD, I can see that the JeepAir kit would be a problem, it would be a long reach to get to the controls.
I did a pretty detailed right up when I installed the JeepAir kit. Even if you use factory parts, it might be helpful:
https://www.cj-8.com/threads/spankrjss-biloxi-ms-83-scrambler.23045/page-17