When doing replacement or upgrading on 1987 – 2018 Dodge Grand Caravan beam capsule halogen headlamps sealed 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 Headlight1987 – 1988 9004
Back Up Light1987 – 1988 1156
Brake1987 – 1988 2057
Dome Light1987 211-2
1988 578
Front Side Marker1988 194NA
Front Turn Signal1987 2057
1988 3057NA
License Plate1987 – 1988 168
Parking Light1988 3057NA
1987 912
Rear Turn Signal1987 – 1988 2057
Tail Light1987 – 1988 2057
Engine Compartment Light1988 105
Map Light1987 – 1988 912
Radio Display1987 – 1988 74
Low Beam Headlight1987 H4656
High Beam Headlight1987 H4651
High Beam and Low Beam Headlight1988 H6054
Back Up Light1987 – 1988 1156
Brake1987 – 1988 2057
Dome Light1987 – 1988 578
Front Side Marker1988 194NA
Front Turn Signal1987 2057
1988 3057NA
License Plate1987 – 1988 168
Parking Light1988 3057NA
1987 912
Rear Turn Signal1987 – 1988 2057
Tail Light1987 – 1988 2057
Engine Compartment Light1988 105
Map Light1987 – 1988 912
Radio Display1987 – 1988 74
Low Beam Headlight2011 – 2018 H11
High Beam Headlight2011 – 2018 H11
High Beam and Low Beam Headlight1989 – 1995 9004
1996 – 2007 9007
2008 – 2010 9008
Front Fog Light2001 – 2004 9040
2005 – 2009 9145
1993 – 2000 H3-55W
2010 – 2018 PSX24W
Back Up Light1989 – 1990 1156
1996 – 2007 3057
2008 – 2018 3157
1991 – 1995 921
Brake1989 – 1990 2057
1996 – 2007 3057
1991 – 1995, 2008 – 2010 3157
Dome Light1996 – 2000 194
1992 – 1995 212-2
1989 – 1991, 2001 – 2018 578
Front Side Marker2011 – 2018 12396NA
1991 – 1995 168
1989 – 1990 194NA
1996 – 2004, 2008 – 2010 3157
2005 – 2007 3457
Front Turn Signal1989 – 1990 3057NA
1991 – 1995, 2008 – 2010 3157
1996 – 2004 3157NA
2005 – 2007 3457NA
2011 – 2018 3757NA
License Plate1989 – 2018 168
Parking Light1989 – 1990 3057NA
1991 – 1995, 2008 – 2010 3157
1996 – 2004 3157NA
2005 – 2007 3357NA
2011 – 2018 3757NA
Rear Side Marker1989 – 1990 2057
1996 – 2007 3057
1991 – 1995, 2008 – 2010 3157
Rear Turn Signal1989 – 1990 2057
1996 – 2007 3057
1991 – 1995, 2008 – 2010 3157
Tail Light1989 – 1990 2057
1996 – 2007 3057
1991 – 1995, 2008 – 2010 3157
Luggage Compartment1989 – 1991 211-2
1993 – 1995 562
2001 – 2018 578
Center High Mount Stop Light1991 – 2007 921
Courtesy2008 – 2018 194
1990 212-2
1993 – 1995 562
2001 – 2007 578
1999 – 2000 579
1989, 1991 – 1992 912
Engine Compartment Light1989 – 1995 105
1996 – 1997 194
Glove Box1989 – 1990, 1992 – 1995 1891
1991, 1996 – 2018 194
Interior Door2008 – 2018 578
Map Light1990, 1992 168
1996 – 2004 578
1993 – 1995 906
1989, 1991 912
2005 – 2018 PC579
Radio Display1989, 1991 – 1992 74
Rear Reading Light2008 – 2018 578