[ghettoluxury]

All doors will fit 47-55.1, you just have to get new door strikers if you use 47-51. Chevy grilles are the same 47-53 1/2-1 ton the 1.5 and larger use a different grille. GMC uses the same grille insert for 49-55.1, the 47-48 is unique and looks like the 1.5 ton just a little smaller.