Equip your semi or trailer with top-quality components with Expertise Built In , with the OTR 6" Oval Side Turn Marker Light, a key component that provides bright and clear signal lights. Thanks to its ability to emit a vivid beam to indicate brakes, tail signals, or emergencies, this replacement piece is the ideal solution to meet local or federal standards. Built with a premium bulb to work for extended periods of time. FleetPride is your First Click in Heavy Duty .