Truck-Lite 21094Y Model 21 Series LED Yellow Rectangular Marker Clearance Light – 16 Diode, Auxiliary W/12" Mating Harness, 12V

Keep your heavy-duty commercial truck compliant and highly visible with the heavy-duty Truck-Lite 21094Y (21 Series) Yellow Rectangular LED Marker Clearance Light. Engineered as a high-performance auxiliary and marker clearance lamp, this 16-diode LED model provides unmatched brightness, ultra-fast illumination response times, and exceptional longevity compared to traditional incandescent lighting.

The Truck-Lite 21094Y is a highly popular replacement light on Freightliner vehicles where the lamp is installed on a flat, non-curved mounting surface. Sold complete with a 12-inch hardwired mating harness and an industry-standard AMP 282105-1 plug, it allows for seamless retrofitting and immediate electrical integration.

Built for Fleet Endurance and Weatherproofing

Industrial trucking environments present severe vibrations, road debris, and volatile weather. The Truck-Lite 21094Y is engineered with its electronics fully encapsulated and sealed in rugged epoxy, creating an impenetrable barrier against corrosion, moisture, and road salt. Built with heavy-duty polycarbonate housing and lenses, this Model 21 LED light absorbs heavy shock and operational vibration, giving you a reliable solution that eliminates frequent bulb replacements and minimizes fleet downtime.