Chevy Silverado Truck 03-07 / Avalanche 02-06(without Body Cladding) PSignal Light Unit LH USA Driver Side NSF 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. LH=USA Driver Side / RH=USA Passenger Side / LH=RH Unit for Either Side / P=Include Both Side(LH&RH) / FLH=Front Driver Side / FRH=Front Passenger Side / RLH=Rear Driver Side / RRH=Rear Passenger Side