For the 2014 Jeep Wrangler, the low-beam and high-beam headlights both use an H13 bulb. This dual-function fitment means the same bulb type serves both headlight functions.
Other notable exterior lighting includes 3757A bulbs for the front turn signals and parking lights. The front side markers use 168NA, while the rear side markers use 3157A. Rear turn signals and reverse lights use 3157 bulbs. The tail lights and brake lights use the red 3157R bulb.
The center stop light is listed as LED. License plate lighting may use either 194 or 7441, so verify the existing socket before ordering. Interior and utility applications include 906 for the step and courtesy lights, 912 for the dome light, and 578 for the map and trunk lights. The engine compartment light uses 561.