Our wide selection of marker lights, clearance lights, air cleaner lights, and DOT light strips will keep your truck or trailer properly marked and easy for motorists to see. We offer incandescent marker lights to match your old broken lights. We also offer the latest LED marker lights to upgrade your trailer to the latest technology. Marker lights come in round, oval, or rectangular and are available in sizes from 3/4" through extra large 6". Load your trailer up with red and amber marker lights today. Remember, you can't have too many lights on your truck, but you might get a ticket for having too few.