This is a used OEM full LED headlight assembly for the right front passenger side of a 2024 GMC Sierra 2500 or 3500 HD truck. It includes one bulb and ballast, and has a clear lens and black housing. The headlight is SAE and OE certified and features factory headlights. The bulb shape code is D1C and the lighting technology is LED. The manufacturer part number is 86516404 and the OE/OEM part numbers are 86516406 and 86516404.