Light Bar Fits 2003 to 2006 GMC 1500-3500; Light Bar; Textured Black; Special Order GMC SIERRA 1500 SIERRA 2500 SIERRA 2500 HD BASE HYBRID SL SLE SLT WT 2003 2004 2005 2006 4.3L (262) Vortec 4.3L LU3 (262) Vortec 4.8L GEN III LR4 Vortec (294) 5.3L GEN III Electric/Gas LM7 (325) 5.3L GEN III Flex L59 Vortec (325) 5.3L GEN III L33 Vortec (325) 5.3L GEN III LM7 Vortec (325) 6.6L Duramax Turbo Diesel LB7 (403) 6.6L Duramax Turbo Diesel LBZ (403) 6.6L Duramax Turbo Diesel LLY (403) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III LQ4 Vortec (364) 6L GEN III LQ9 HO Vortec (364) 8.1L L18 Vortec (496) CNG DIESEL ELECTRIC/GAS FLEX GAS Nfab N-FAB Light Bar - G035LB-TX G035LB-TX Bumper Mounting Light Bars