This Fits Your 2004 GMC Sierra 2500 SLT Extended Cab Pickup Fleetside 6.0L Vortec V8 M/T RWD
Full size assembly image of Pick up box. Box assembly. Floor. Front & side panels. (1/1)

Pick up box. Box assembly. Floor. Front & side panels.

rear lamp harness. W/4WS & W/O COMPOSITE.