When doing replacement or upgrading on 1987 – 2018 Jeep Wrangler capsule halogen headlamps LED with, 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
2007 – 2016 9008
1987 – 1995 H6054
Front Fog Light 2007 – 2009 9145
1994 – 1995, 1997 – 2006 H3-55W
2010 – 2016 PSX24W
Back Up Light 1987 – 1995, 1997 – 2006 1156
2007 – 2016 3157
Brake 1987 – 1993, 1997 – 1999, 2005 – 2006 1157
1994 – 1995, 2000 – 2004 2057
2007 – 2016 3157
Dome Light 2003 – 2006 211-2
2007 – 2009 578
2000 – 2002, 2010 – 2016 912
Front Side Marker 2003 – 2004 12256
1987 – 1995, 1997 – 2002, 2005 – 2016 194
Front Turn Signal 1987 – 1993 2057
1994 – 1995, 1997 – 2013 3157
2014 – 2016 3757NA
License Plate 1987 – 1995 1156
2000 – 2006 12961
1997 – 1999 168
2007 – 2016 194
Parking Light 1989 – 1993 2057
1987 – 1988 2057NA
1994 – 1995, 1997 – 2013 3157
2014 – 2016 3757NA
Rear Side Marker 2007 – 2016 3157
Rear Turn Signal 1987 – 1993, 1997 – 1999, 2005 – 2006 1157
1994 – 1995, 2000 – 2004 2057
2007 – 2016 3157
Tail Light 1987 – 1993, 1997 – 1999, 2005 – 2006 1157
1994 – 1995, 2000 – 2004 2057
2007 – 2016 3157
Luggage Compartment 1989 – 1995 212-2
2007 – 2016 578
Center High Mount Stop Light 1994 – 1995 912
1997 – 2006 921
Courtesy 2000 – 2002 211-2
1987 – 1995, 1997 – 1999 212-2
Engine Compartment Light 1989 – 1995, 1997 – 1999 105
2000 – 2016 561
1987 – 1988 90
Glove Box 1987 – 1995 194
Map Light 1989 – 1993 212-2
2010 – 2016 578
Stepwell 2007 – 2016 906
2000 – 2006 912
High Beam and Low Beam Headlight 2017 – 2018 9008
Front Fog Light 2017 – 2018 PSX24W
Back Up Light 2017 3157
2018 7440
Brake 2017 – 2018 3157
Dome Light 2017 – 2018 912
Front Side Marker 2018 168
2017 194
Front Turn Signal 2017 3757NA
2018 7443NA
License Plate 2017 – 2018 194
Parking Light 2017 3757NA
2018 7444NA
Rear Side Marker 2017 – 2018 3157
Rear Turn Signal 2017 – 2018 3157
Tail Light 2017 – 2018 3157
Luggage Compartment 2017 – 2018 578
Engine Compartment Light 2017 – 2018 561
Map Light 2017 – 2018 578
Stepwell 2017 – 2018 906
Back Up Light 2018 3157
Brake 2018 3157
Daytime Running Light 2018 7443
Dome Light 2018 912
Front Side Marker 2018 194
Front Turn Signal 2018 7440NA
License Plate 2018 194
Parking Light 2018 3757NA
Rear Side Marker 2018 3157
Rear Turn Signal 2018 3157
Tail Light 2018 3157
Luggage Compartment 2018 578
Engine Compartment Light 2018 561
Map Light 2018 578
Stepwell 2018 906