Outfit your semi truck to be Ready for the Road Ahead with reliable safety lighting, with the Grote 5.88" Sealed Turtleback Rectangular LED Marker / Clearance Light. Thanks to its strong output, this replacement light enhances vehicle safety in all types of conditions by providing high visibility. Fashioned with a durable polycarbonate lens for increased heat and impact resistance. FleetPride is your First Click in Heavy Duty .