profzoid

Hello folks, I've bought a gearbox which I believe to be a CD009 but typically as you'd expect, thanks to Nissan decision to put part numbers on a little sticker on the underside of your car I cant be sure. So is there anyway to positively identify which model gear box I have? Im taking the bell housing off to be machined so any internal differences I can use? And even better anyone possibly have a picture of what I should be looking for? Thanks for any help guys