The Tail Light Left Side for 2015-2020 GMC Yukon XL Denali SLT SLE LED Brake is a red LED tail light assembly specifically designed for the left side of the vehicle. It is a performance part that enhances the visibility and safety of the GMC Yukon XL Denali SLT SLE models. With a focus on quality and functionality, this tail light from Boine is a perfect replacement or upgrade for those looking to improve the lighting technology of their vehicle.