41mm Festoon LED Bulbs
Upgrading your vehicle with 41mm LED bulbs provides better visibility and a much more modern LED appearance than factory incandescent bulbs. 41mm-size bulbs are utilized as map, dome, and trunk lights on newer Ford, GMC, Cadillac, and Chevrolet vehicles.
As the leading provider of LED bulb upgrades, Diode Dynamics is proud to offer plug-and-play replacement 41mm LED bulbs for all compatible vehicles. They are brighter, more reliable, and come in a variety of colors.
Not sure which bulbs you need? Click here for our Vehicle Finder tool!
41mm LED Bulb cross-reference: 578, 4210, 6451, DE3425, DE3423, DE3425LL, DE3423LL, 211, 212, 212-2, 214-2, 6413, 6429