Im looking at some rear diffs on Craigslist here locally this gentlemen sent me a string of numbers off these parts he has and I'd like to know what gears and the spline count. Apparently these are all intact and un-opened. I was hoping if I gave you these numbers then we'd know what this guy has. This is what he sent me. Hopefully you can decipher it:

C5AW-4205 87 C6AW-DMCC D7AW CA 1947

C6AW-4205 87 MCC10 D1AW 4210 A53

Thanks