Outfit your semi truck to be Ready for the Road Ahead™ with reliable safety lighting, with the Truck-Lite 2.03" 21-Series Rectangular 8-LED Marker / Clearance Light. Due to its strong output that provides high visibility, this replacement light enhances vehicle safety in all types of conditions. Engineered with a durable polycarbonate lens for improved protection against high temperatures and impacts. FleetPride is your First Click in Heavy Duty®.