When doing replacement or upgrading on 1995 – 2018 Honda Odyssey capsule halogen headlamps HID with, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 2005 – 2010 9006
High Beam Headlight 2005 – 2010 9005
High Beam and Low Beam Headlight 1995 – 2004 9003
Front Fog Light 2005 – 2007 H8
2008 – 2010 H8/H11/H16
Back Up Light 1995 – 2010 7440
Brake 1995 – 2010 7443
Daytime Running Light 2005 – 2010 9005
Dome Light 1995 – 1998, 2005 – 2007 DE3022
2008 – 2010 DE3175
1999 – 2004 DE3423
Front Side Marker 1999 – 2004 1157NA
2008 – 2010 168
2005 – 2007 194NA
1995 – 1998 2057
Front Turn Signal 1999 – 2004 1157
1995 – 1998 2057
2005 – 2010 7440NA
License Plate 2005 – 2007 12961
1995 – 2004, 2008 – 2010 168
Parking Light 1999 – 2004 1157NA
2008 – 2010 168
2005 – 2007 194NA
1995 – 1998 2057
Rear Side Marker 1995 – 2010 7443
Rear Turn Signal 1995 – 2004 7440
2005 – 2010 7440NA
Tail Light 1995 – 1998 7443
Luggage Compartment 1999 – 2004 6418
1995 – 1998, 2005 – 2010 DE3175
Center High Mount Stop Light 1995 – 1998 194
1999 – 2010 921
Courtesy 1999 – 2004 6418
2005 – 2010 DE3175
Glove Box 1999, 2002, 2007 12818
2000 – 2001, 2003 – 2006, 2008 – 2010 DE3175
Inner Tail Light 1999 – 2010 194
Interior Door 2005 – 2010 194
1995 – 1998 DE3021
Map Light 1995 – 1998, 2005 – 2007 DE3022
2008 – 2010 DE3175
Outer Tail Light 1999 – 2010 7443
Low Beam Headlight 2011 – 2018 H11
High Beam Headlight 2011 – 2018 9005
Front Fog Light 2018 H8
2011 – 2017 H8/H11/H16
Back Up Light 2011 – 2018 7440
Brake 2014 – 2018 7440
2011 – 2013 7443
Daytime Running Light 2011 – 2018 9005
Dome Light 2018 12961
Front Side Marker 2011 – 2018 3457
Front Turn Signal 2018 3357NA
2011 – 2017 3457NA
License Plate 2011 – 2018 168
Parking Light 2011 – 2018 3357NA
Rear Side Marker 2011 – 2013 7443
Rear Turn Signal 2018 7440
2011 – 2017 7440NA
Luggage Compartment 2011 – 2018 DE3175
Center High Mount Stop Light 2011 – 2018 921
Courtesy 2011 – 2018 168
Floor Console Compartment 2018 74
Glove Box 2011 – 2018 74
Inner Tail Light 2011 – 2013 194
Interior Door 2011 – 2018 194
Map Light 2014 – 2018 12961
2011 – 2013 DE3175
Outer Tail Light 2011 – 2013 7443
Low Beam Headlight 2011 – 2018 D2S
High Beam Headlight 2011 – 2018 9005
Front Fog Light 2011 – 2018 H8/H11/H16
Back Up Light 2011 – 2018 7440
Brake 2014 – 2018 7440
2011 – 2013 7443
Daytime Running Light 2011 – 2018 9005
Dome Light 2018 12961
Front Side Marker 2011 – 2018 3457
Front Turn Signal 2018 3457
2011 – 2017 3457NA
License Plate 2011 – 2018 168
Parking Light 2011 – 2018 3357NA
Rear Side Marker 2011 – 2013 7443
Rear Turn Signal 2018 7440
2011 – 2017 7440NA
Luggage Compartment 2011 – 2018 DE3175
Center High Mount Stop Light 2011 – 2018 921
Courtesy 2011 – 2018 168
Floor Console Compartment 2018 74
Glove Box 2011 – 2018 74
Inner Tail Light 2011 – 2013 194
Interior Door 2011 – 2018 194
Map Light 2014 – 2018 12961
2011 – 2013 DE3175
Outer Tail Light 2011 – 2013 7443