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 Headlight1997 – 2006 6014
2007 – 2016 9008
1987 – 1995 H6054
Front Fog Light2007 – 2009 9145
1994 – 1995, 1997 – 2006 H3-55W
2010 – 2016 PSX24W
Back Up Light1987 – 1995, 1997 – 2006 1156
2007 – 2016 3157
Brake1987 – 1993, 1997 – 1999, 2005 – 2006 1157
1994 – 1995, 2000 – 2004 2057
2007 – 2016 3157
Dome Light2003 – 2006 211-2
2007 – 2009 578
2000 – 2002, 2010 – 2016 912
Front Side Marker2003 – 2004 12256
1987 – 1995, 1997 – 2002, 2005 – 2016 194
Front Turn Signal1987 – 1993 2057
1994 – 1995, 1997 – 2013 3157
2014 – 2016 3757NA
License Plate1987 – 1995 1156
2000 – 2006 12961
1997 – 1999 168
2007 – 2016 194
Parking Light1989 – 1993 2057
1987 – 1988 2057NA
1994 – 1995, 1997 – 2013 3157
2014 – 2016 3757NA
Rear Side Marker2007 – 2016 3157
Rear Turn Signal1987 – 1993, 1997 – 1999, 2005 – 2006 1157
1994 – 1995, 2000 – 2004 2057
2007 – 2016 3157
Tail Light1987 – 1993, 1997 – 1999, 2005 – 2006 1157
1994 – 1995, 2000 – 2004 2057
2007 – 2016 3157
Luggage Compartment1989 – 1995 212-2
2007 – 2016 578
Center High Mount Stop Light1994 – 1995 912
1997 – 2006 921
Courtesy2000 – 2002 211-2
1987 – 1995, 1997 – 1999 212-2
Engine Compartment Light1989 – 1995, 1997 – 1999 105
2000 – 2016 561
1987 – 1988 90
Glove Box1987 – 1995 194
Map Light1989 – 1993 212-2
2010 – 2016 578
Stepwell2007 – 2016 906
2000 – 2006 912
High Beam and Low Beam Headlight2017 – 2018 9008
Front Fog Light2017 – 2018 PSX24W
Back Up Light2017 3157
2018 7440
Brake2017 – 2018 3157
Dome Light2017 – 2018 912
Front Side Marker2018 168
2017 194
Front Turn Signal2017 3757NA
2018 7443NA
License Plate2017 – 2018 194
Parking Light2017 3757NA
2018 7444NA
Rear Side Marker2017 – 2018 3157
Rear Turn Signal2017 – 2018 3157
Tail Light2017 – 2018 3157
Luggage Compartment2017 – 2018 578
Engine Compartment Light2017 – 2018 561
Map Light2017 – 2018 578
Stepwell2017 – 2018 906
Back Up Light2018 3157
Brake2018 3157
Daytime Running Light2018 7443
Dome Light2018 912
Front Side Marker2018 194
Front Turn Signal2018 7440NA
License Plate2018 194
Parking Light2018 3757NA
Rear Side Marker2018 3157
Rear Turn Signal2018 3157
Tail Light2018 3157
Luggage Compartment2018 578
Engine Compartment Light2018 561
Map Light2018 578
Stepwell2018 906