Those are the same numbers that are on both my original and a replacement lamp lenses, Bill. A 2006 Monterey. But the new casing is different from the original, and it is in fact the same light as Keith's new one. I had to do a little adapting of the mounting flange. Also, the wire connectors were different, as appears to be the case with Keith's, and had to be changed to plug into the coach wires.
My guess is that you have the right light, Keith, and it is standard fare now for most rigs. But you will have to do some adapting as I did, perhaps fabricating a piece of 3/4 or 1 inch steel strap to go between the new bracket and the coach. Or maybe the old bracket could be cut and drilled as an adapter; although just looking at it, I'd say do some measuring, make a new one with bends in it to align the lamp in its hole properly, drill some holes, and bolt it to the new light's bracket.
Unfortunately, motor home driving lights seem to make good rock targets. And mine was $49 at BCS in Bend. Next time I shop the auto parts stores first.
-Joel