The TYC 11-5185-01-9 Right Side Tail Light Assembly is engineered to provide a reliable and precise replacement for the right rear tail light on 1999-2002 Chevrolet Silverado and 1999-2004 GMC Sierra Fleetside Pickup models. This assembly is designed to meet or exceed DOT/SAE standards, ensuring compliance with FMVSS 108 regulations for photometry and safety. Manufactured with OE-comparable fasteners and mounting tabs, it guarantees a precise fitment and facilitates a hassle-free installation process. The assembly undergoes rigorous cycling tests to confirm its quality and durability, and it is produced in facilities certified to ISO9001:2000 and QS9000 standards, ensuring precision in all components. The lens is crafted from high-quality plastic, featuring red, clear, and amber colors, while the housing is made of durable plastic, providing longevity and resistance to the rigors of daily operation. Bulbs are not included with this assembly, allowing for the use of preferred bulb types. This tail light assembly is a direct replacement for the original equipment, ensuring that your vehicle maintains its safety and aesthetic standards without the need for modifications.