Should be 194 type / w5w but basically the same as 168.
Search for "led license plate install" there is a thread I posted on this. Not all LEDs will fit the license plate because of the angle the lights are sitting at. So if your replacements are any taller than the oem bulbs you will have issues.
2011 WK2: Limited, 4x4, Hemi, 730n, Class IV Tow, Brilliant Black. 30% Ceramic Tint, Lockpick, LED DRL, LED License Plate, LED Backup, LED Liftgate (all), Axle/Transfer Case OEM add-on skid plates, Sharkfin Antenna.:thumbsup: