The TYC 20-6406-01-9 Left Headlight Assembly is engineered to provide optimal illumination and safety for 2003-2005 Toyota 4Runner models. This assembly serves as a direct replacement for the original equipment, ensuring a seamless fit and reliable performance. Constructed with durable plastic housing and a clear lens, it is designed to withstand various driving conditions, enhancing nighttime visibility and overall driving safety. The assembly is SAE/DOT compliant, meeting or exceeding FMVSS 108 standards for photometry and safety compliance. It features OE-comparable fasteners and mounting tabs, facilitating precise fitment and hassle-free installation. The lens is treated with a special coating to prevent hazing and fading, ensuring sustained clarity and brightness over time. This headlight assembly is compatible with both high and low beam halogen bulbs, which are not included, allowing for customization based on specific lighting preferences. By choosing the TYC 20-6406-01-9 Left Headlight Assembly, fleet operators can ensure that their vehicles maintain high standards of safety and performance, reducing the need for frequent replacements and minimizing downtime.