We have to admit that when we saw the first LED replacement headlights a few years ago, we questioned the validity of the concept. But after trying them, we’ll attest to their brightness, coolness, and ruggedness. Truck-Lite offers 7-inch round LED assemblies that replace headlights. These use 10 LEDs in a single housing. Pro Comp and Vision X Lighting make a variety of off-road LED lights.