Truck-Lite 60315Y Super 60 Series Yellow LED Side/Turn/Indicator Light World's first LED side turn to surpass SAE J2039 standards in large vehicle applications Highest quality LED lighting products on the market from a brand you can trust Commonly mounted at ''mid-point'' on trailers or ''no zone'' areas on tractors LEDs have no filament, therefore are not susceptible to shock & vibration, a major cause of failure for lamps with incandescent bulbs Less current draw, resulting in increased battery & alternator life while allowing more power for other vehicle requirements