The doors do have cracks and issues so it will need repair and fixing. Should be easy enough to pour a mold and bend up some new ones.
That cooler looks fantastic, probably because it has never spent a day in the sun.
You will buff it out but not paint it, so why change the doors for any reason? Looks like the plastics are good enough to buff clear and the left door seems to only need work on the frame. When done, if you're left with some cracks showing........so what? It's an original!
(I can also predict a real can of worms when trying to prototype only 1 set of doors, just ask Rod).
Good job, please keep us updated! I've never seen one before.