Fits a 2003 GMC Sierra 2500HD 6.6 Duramax. A trick to make this setup super easy: Tools: Oxy/Ace torch set, Sawzall, large bushing bushing, hammer, air chisel, gloves, steel pipe wider than the inner bushing hole of the wishbone, and a pot of water. . Use a flashlight to heat the old socket to melt it. The outer metal ring of the hub remains pressed into the control lever. Then use the saw to CAREFULLY cut through the steel bushing of the old bushing that is still in the control arm. DO NOT cut