2014-2018 GMC Sierra X3B LED 3rd Brake Light Include Rapid Flash Module:No but they are different internally

but they are different internally

Add more light output and a modern appearance to your vehicle with the 7440/7443 HP11

The Morimoto XB LED bulbs' panel and resistors are mounted opposite the extruded aluminum heat-sink

With the included one-piece molded bezel

The LED Flasher Module from GTR Lighting: is a simple and effective way to add safety to your vehicle

2014-2018 GMC Sierra X3B LED 3rd Brake Light Include Rapid Flash Module:No but they are different internallyJust Right: Yes, we know. We know. You have been looking for a third brake light upgrade for a while now, only to retreat every time. Discouraged when the search returns no more than the same old variety of el cheapo options out there. The X3B from Morimoto is different though. It's the one you've been waiting for. It's a no compromise brake and bed light that offers the perfect pairing of style, performance, and utility, and its now available for