Rrrsma , it looks GREAT !!!! (I started this thread, I still did not replace the arm rest. I , too, can confirm that the arm rest is not sold separately. You need to buy the full door trim if you want this changed)
This is an excellent example for a horrible, and probably inexperienced design from usability perspective .
They probably gave this part the the new kid in the workshop. I wonder if he is still working there... Damn.