New technology previously only on high-end luxury cars is now available for trucks. These tail lights quickly alert other drivers of your intentions with LED bulbs that illuminate 140 times faster than conventional incandescent bulbs, which translates to a gain of 20+ feet of reaction distance.
These tail light lenses are a direct replacement for stock lenses. Simply remove original lens and bulb, and install the LED tail lights in their place.
Additional LED benefits:
LED lights have no filament, which means they are less sensitive to vibrations, and they can last up to 20,000 hours. They use only 15% of the energy required by incandescent bulbs, reducing the load placed on the truck's charging system, and less heat is emitted.
#37-0365 features sequential operation with sequential left, sequential right or sequential off. Also includes brake attention function that lights from the inner LEDs outward once, then all on when brakes are applied.
An Electronic Flasher is recommended when upgrading to LED bulbs or light assemblies. Due to the lower current draw of LED lighting, the factory flasher may cause inconsistent flash rates, no flash or indicate that a bulb is out.

SEQ = Sequential