Yes the original lenses had 2 chrome rectangle trims on each lens. The reproduction parts you posted look a little ticker than the originals. I Guy I know purchased the same reproductions and is trying to stamp or press the metal trims for the taillights. Curious to see if he can pull it off.
As for your other questions, I heard the factory was in Tecate Mexico and yes still badged 510. Not sure on what years they manufactured them there. I know one major difference was those sedans had leaf springs in the rear like the Wagons to keep the cost down.