OK, To answer any questions out there, here is what I have discovered and it answers my own question. The 3800 panel rear bumper matches its front, curvature of its brackets are identical. They appear identical to the 3804 1 ton pickup front bumper. The 3804 one ton rear bumper is a breed of its own, being quite straight when comparing it to the one ton truck front and panel front/rear. If that is as clear as mud to you, then you understand it as well as I, Using a 1 ton rear from a panel will NOT work on a 1 ton pickup. Any questions, contact me. Jerry
