Yes, cabs are the same from 1/2 ton up to 2 ton Chevy, and up to about 3 ton GMC, with the exception of COE cabs.
There are minor differences between years, to do with cowl side vents, cab mounting, seat adjuster, and probably a few other things.
Rear cab mounts on 47 and 48 are different than 50-53. One center mount on the early ones, and two mounts one on each side of the frame on the later ones.
With the right parts they can be interchangeable, probably best to use the mount style on the cab in question.
Grigg
Last edited by Grigg; 03/03/2008 3:40 AM.