Forgot to add this update:
I received two new DVD players a few days after they said they would send them. I installed them in a short time, and both work as they should. I had to rework the mount for the outside unit, as the one they sent was an upgrade from what I had. The old unit fit in a metal boxed frame and was secured by bending tabs out on the housing of the unit to lock it in place. The new one is held in with machine screws. I just used my Greenlee drill and tap set to put 4 #6 threaded holes in the flange of the frame, and put #6x3/8" machine screws in it. They provided a return label for UPS, so returning the old players was painless.
Here's what I used to drill and tap the holes, except my set is about 10 years old, and didn't come with the quick change adapter.
http://www.greenlee.com/products/DRILL%2540FTAP-KIT.html?product_id=17143