dodge / gm AAM 11.5" rear differential

the GM / Dodge AAM 11.5" rear axle share almost all of the same parts in the rear axle , the posi tractions / limited slips are the same ,the bearing kits are the same , some of the parts that differ between the 2 of them are the axle shafts , ( SRW and dually use different axle shafts ) , and the spyder kits for the open carriers differ also , but largely the axles are the same ,