When doing replacement or upgrading on 1997 – 2006 Jeep TJ, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

High Beam and Low Beam Headlight 1997 – 2006 6014
Front Fog Light 1997 – 2006 H3-55W
Back Up Light 1997 – 2006 1156
Brake 1997 – 1999, 2005 – 2006 1157
2000 – 2004 2057
Dome Light 2003 – 2006 211-2
Front Side Marker 2003 – 2004 12256
1997 – 2002, 2005 – 2006 194
Front Turn Signal 1997 – 2006 3157
License Plate 2000 – 2006 12961
1997 – 1999 168
Parking Light 1997 – 2006 3157
Rear Turn Signal 1997 – 1999, 2005 – 2006 1157
2000 – 2004 2057
Tail Light 1997 – 1999, 2005 – 2006 1157
2000 – 2004 2057
Center High Mount Stop Light 1997 – 2006 921
Courtesy 2000 – 2002 211-2
1997 – 1999 212-2
2003 – 2006 912
Engine Compartment Light 1997 – 1999 105
2000 – 2006 561