The TYC 20-9138-00-9 Left Driver Side Headlight Assembly is engineered to provide a reliable and precise fit for 2011-2020 Toyota Sienna models. This headlight assembly is designed to meet or exceed DOT/SAE standards, ensuring compliance with FMVSS 108 regulations for photometry and safety. Constructed with high-quality materials, it features a clear lens and a durable plastic housing, offering enhanced durability and resistance to environmental factors. The assembly includes halogen bulbs for both low and high beams, as well as a front signal light bulb, facilitating straightforward installation. The lens is treated with a special coating to prevent hazing and fading, maintaining optimal illumination over time. This headlight assembly is produced in facilities certified under ISO9001:2000 and QS9000 standards, reflecting TYC's commitment to quality and precision in automotive lighting solutions.