Rear Lamp Fitment - L&R LED Tube Bar Tail Light Compatible with 2007-2013 GMC Sierra 1500, 2007-2014 GMC Sierra 2500 HD/3500 HD. NOTE: Not Compatible with 07 Sierra Classic Models. Not Compatible with 3500 HD Dually Models. LED Lamp Performance - Comes with a load resistor to prevent the light from overflashing. Made of high quality black plastic housing and smoke lens for high durability and impact resistance, ideal for replacing damaged or aging tail lights. LED Lamp Lighting - Different LED turn signal/daytime running light/brake light design with attractive appearance. Provides a stable output for the light, provides a strong visual impact, and provides a good range of vision to improve visibility whether it is day or night. Safe Driving - Tail lights allow people or vehicles behind you to see your car from a distance. Help drivers behind you know where you are at night or in bad weather. Greatly improves the reaction time of other drivers. Package List & Installation - Only 1 x Pair of Tail Lights (left & right, reverse light bulb not included). Instructions are included. Plug and play, no need to rewire or modify the existing vehicle circuit. HECASA LED Tail Lights Pair Compatible with 2007-2014 GMC Sierra 1500 2500HD 3500HD Pickup Truck LED Tube Bar Rear Tail Lamps Taillight Left and Right Side Rear Lamp Fitment - L&R LED Tube Bar Tail Light Compatible with 2007-2013 GMC Sierra 1500, 2007-2014 GMC Sierra 2500 HD/3500 HD. NOTE: Not Compatible with 07 Sierra Classic Models. Not Compatible with 3500 HD Dually Models. LED Lamp Performance - Comes with a load resistor to prevent the light from overflashing. Made of high quality black plastic housing and smoke lens for high durability and impact resistance, ideal for replacing damaged or aging tail lights. LED Lamp Lighting - Different LED turn signal/daytime running light/brake light design with attractive appearance. Provides a stable output for the light, provides a strong visual impact, and provides a good range of vision to improve visibility whether it is day or night. Safe Driving - Tail lights allow people or vehicles behind you to see your car from a distance. Help drivers behind you know where you are at night or in bad weather. Greatly improves the reaction time of other drivers. Package List & Installation - Only 1 x Pair of Tail Lights (left & right, reverse light bulb not included). Instructions are included. Plug and play, no need to rewire or modify the existing vehicle circuit.