The TYC 20-6859-00 Right Headlight Assembly is engineered to provide reliable illumination for GMC vehicles, including the Sierra 1500 Classic (2007), Yukon XL 1500 (2001-2006), Yukon (2000-2006), and Sierra 1500 (2001-2006). This assembly is designed to meet or exceed FMVSS 108 standards for photometry and safety compliance, ensuring optimal visibility and safety on the road. Manufactured with precision, it features OE-comparable fasteners and mounting tabs for precise fitment and hassle-free installation, minimizing downtime and labor costs. Rigorous cycling tests ensure quality and durability, while a special coating on the lens prevents hazing and fading, maintaining clear illumination over time. The assembly includes both high and low beam halogen bulbs, providing comprehensive lighting solutions. The lens is made of durable plastic, and the housing is constructed from sturdy plastic, ensuring resilience against the elements. The lens color is clear with an amber accent, enhancing visibility and aesthetics. This headlight assembly is a direct replacement for the original equipment, offering a cost-effective solution without compromising on quality. By choosing the TYC 20-6859-00, fleet operators can ensure their vehicles maintain optimal lighting performance, enhancing driver safety and reducing maintenance costs associated with frequent bulb replacements.