Hello everyone, can someone tell me with certainty if a 1500 and 2500 silverado lets say 2003 to 2007 have the same rear bumper brackets, is there a difference with HD and non HD also the hitch is it differnt the 1500 and 2500 .. i need to replace my rear brackets and receiver hitch, but cant get a serious answer from anyone at all and dealer new parts are just out of my budget . lots for sale private party online ..

I have a 2004 silverado 2500 HD 4x4 crew cab LT3