The TYC 11 6221 90 9 Right Tail Light Assembly is engineered to meet the specific lighting requirements of the 2010 2011 GMC Sierra 3500 HD particularly models equipped with dual rear wheels This assembly ensures optimal visibility and safety compliance addressing the operational challenges associated with maintaining proper illumination in heavy duty vehicles Designed as a direct replacement for the original equipment it facilitates straightforward installation without the need for vehicle modifications thereby reducing downtime and labor costs The assembly includes all necessary bulbsa tail lamp rear turn signal and back up lampa each utilizing halogen technology to deliver reliable and consistent lighting performance Constructed with durable plastic housing and a red and clear lens the assembly is built to withstand the rigors of heavy duty use ensuring longevity and resilience Compliance with DOT SAE standards guarantees that the assembly meets or exceeds FMVSS 108 requirements for photometry and safety providing fleet operators with a dependable solution that upholds safety standards By choosing the TYC 11 6221 90 9 Right Tail Light Assembly fleet managers can ensure their vehicles maintain optimal lighting performance thereby enhancing safety and operational efficiency