The TYC 20-5421-00 Right Headlight Assembly is engineered to provide reliable illumination for 1998-2004 GMC Jimmy and Sonoma models. This assembly includes a halogen bulb, ensuring bright and efficient lighting for enhanced nighttime visibility. The housing and lens are constructed from durable plastic materials, designed to withstand various driving conditions and resist the elements. The assembly features a fog light, improving visibility during adverse weather conditions. It is DOT/SAE compliant, meeting or exceeding FMVSS 108 standards for photometry and safety compliance. The assembly includes OE-comparable fasteners and mounting tabs for precise fitment and hassle-free installation. Rigorous cycling tests ensure quality and durability, and the lens is coated to prevent hazing and fading, ensuring proper illumination and safety. This headlight assembly is a direct replacement for the original equipment, offering a cost-effective solution to maintain optimal visibility and safety for your vehicle.