The TYC 11-5852-91-9 Left Tail Light Assembly is engineered to provide a reliable and cost-effective solution for fleet operators managing 2004-2006 Chevrolet Silverado Fleetside Pickup trucks. This assembly ensures compliance with DOT/SAE standards, meeting or exceeding FMVSS 108 regulations for photometry and safety. Manufactured in facilities certified to ISO9001:2000 and QS9000 standards, it guarantees precision and durability. The assembly features OE-comparable fasteners and mounting tabs, facilitating precise fitment and hassle-free installation, thereby reducing downtime during maintenance. Rigorous cycling tests validate its quality and longevity, making it a dependable choice for fleet operations. The lens is crafted from durable plastic with red and clear coloring, and the housing is made of sturdy plastic, ensuring resilience against various road conditions. Bulbs are not included, allowing for customization based on specific operational requirements. This tail light assembly is compatible with the right side counterpart, part number 11-5851-91-9, providing a comprehensive lighting solution for the vehicle.