Product Details: The TYC 11-5200-01 Driver Side Replacement Tail Light Assembly is engineered to provide a direct replacement for the original equipment on 1999-2003 GMC Sierra 1500 and Chevrolet Silverado 1500 Stepside Pickup models. This assembly ensures seamless integration, maintaining the vehicle's aesthetic and functional integrity. Constructed with a durable plastic housing and lens, it features a red, clear, and amber lens configuration, accommodating tail, brake, and turn signal functions. Designed to meet or exceed DOT/SAE standards, it guarantees compliance with FMVSS 108 regulations, ensuring optimal photometry and safety performance. The assembly includes halogen bulbs for tail and turn signal functions, though bulbs for the back-up lamp are not included. Installation is straightforward, utilizing OE-comparable fasteners and mounting tabs for precise fitment and hassle-free setup. This design eliminates the need for vehicle modifications, facilitating a quick and efficient replacement process. Backed by a limited lifetime warranty, the TYC 11-5200-01 offers long-term reliability and peace of mind. Its rigorous cycling tests and production in certified ISO9001:2000 and QS9000 facilities underscore its quality and durability. By choosing this replacement tail light assembly, fleet operators can ensure consistent vehicle performance, enhance safety through reliable illumination, and maintain the vehicle's aesthetic appeal, all contributing to the operational efficiency and professionalism of their fleet.