Automotive LED lights bulbs fit numerous applications, including headlights, fog lights, tail lights, brake lights, turn signals, back-up reverse light, interior lights, map lights, instrument cluster and gauge lights, license plate lights, trunk lights, side marker lights, and more. These LED car bulbs come in a wide variety of types, such as 3157, 1157, 7443, 1156, ba9s, 7440, 7443, 194, 921, and third-generation LED headlights with H7, H11, H4, H8, 9005, 9006, and 9012 bases. CAN Bus LED light bulbs are also available.