Gmc Yukon Xl Denali 00-06 2000-2006 Projector Head Light Lamp W Bulb 15218078 Rh OEM comparable design to ensure the structural fitment and strength. Exact replacement for factory OEM unit, no modification needed. Assembly meets or exceeds DOT & SAE standards Headlight assembly with bulb or headlight assembly with bulb + socket included for attached side marker/park signal lamp Picture could be Left or Right for demonstration purpose only.