The Left Side Headlight Assembly for 2020-2023 Cadillac CT5 is an OEM GM part with the manufacturer part numbers 84759343, 84782268, 84861520, and 84894827. This headlight assembly features a sleek black housing color and uses LED lighting technology. It is designed specifically for the left front placement on the vehicle and comes with a 1-year manufacturer warranty. With a wattage of 5W, this headlight assembly is a genuine Cadillac part that ensures quality and compatibility with the specified vehicle model.