The TYC 11 6838 00 Left Tail Light Assembly is engineered to provide a reliable and precise replacement for the left rear tail light on 2003 2020 Chevrolet Express and GMC Savana models This assembly is designed to meet or exceed the standards set by the Department of Transportation DOT and the Society of Automotive Engineers SAE ensuring compliance with FMVSS 108 regulations for photometry and safety Manufactured in facilities certified under ISO9001 2000 and QS9000 the assembly undergoes rigorous cycling tests to guarantee its durability and performance The housing is constructed from high quality plastic and the lens features a red and clear design enhancing both functionality and aesthetics The assembly includes halogen bulbs for the tail lamp back up lamp and rear turn signal all pre installed for convenience OE comparable fasteners and mounting tabs facilitate precise fitment and hassle free installation eliminating the need for vehicle modifications This comprehensive assembly offers a direct replacement solution ensuring optimal visibility and safety for your vehicle