Chevy Silverado 1500 10-11('10 2nd Design) / '10-11 Hybrid('10 2nd Design) / '11 2500 / 3500 P / U DUAL Rear WHEELS / GMC Sierra 1500 '10 2nd Design DUAL Rear WHEELS / '11 2500 / 3500 P / U DUAL Rear WHEELS Tail Light Assembly RH USA Passenger 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 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