Fitment: Compatible for 1999-2006 Chevy Silverado 1500/1500HD/2500/2500HD; compatible for 2001-2006 Silverado 3500; compatible for 1999-2002 GMC Sierra 1500/1500HD/2500/2500HD; compatible for 2001-2002 GMC Sierra 3500; ( Note: Only fits fleetside bed models ) OEM Number: Compatible for 19169004, 19169017, 19169005, 19169018, 2800186, 2800174, 2800186, 2801186, 2801174, 2801186,Enhanced Visibility: Our tail lights come equipped with red running light, providing enhanced visibility and safety on the road. The turn signal lights ensure optimal brightness and responsiveness, keeping you visible to other drivers.,Easy Installation: All wiring is pre-assembled, allowing for a hassle-free installation. Professional installation is highly recommended for optimal results. Please note: the reverse light are not included, needed to re-use original bulbs.,Unique Design: L-Type Turn Light. Red DRL, red brake light, red turn signal, white reverse light(reverse light bulbs are not included). Featuring a high-quality glossy black housing and smoke tinted lens, the tail lights add some elegance to your vehicle's appearance.,High-Performance Features: Certified by both SAE and DOT. The rear lights are waterproof and shock-resistant, making the it suitable for various road and weather conditions, ensuring long-term reliable use without any dust or fog.