Choose only recommended size and shape of lamp for Wrangler 2.8 made in 2010 if you want to replace whole thing. Remember that 21 W of capacity in lamp is optimal for 2006 year vehicles. In all 1999 modifications with S01 code of motor producer installed special size of bulbs. Turn lights in Wrangler may accept just one base lamps - BA15S SCC. When driving Jeep Wrangler you surely need turn signals to work properly. Usual voltage of 12 V is installed, so you may easily buy lamps for Jeep. Though, you won’t need replacement for Jeep turn lights in 2.8 motor cars often.
Be careful at buying more powerful than 21 W lamps and over 12 V bulbs for turns. It obviously tones the glass in 2.5 engine vehicles with model code of motor EPE. Changing light bulb in turn signals of Jeep Wrangler will decide if it still works well. So, choose only BA15S SCC base type bulbs for 2007 Jeep Wrangler and take into account purpose of lamp.