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 Headlight2005 – 20109006
High Beam Headlight2005 – 20109005
High Beam and Low Beam Headlight1995 – 20049003
Front Fog Light2005 – 2007H8
2008 – 2010H8/H11/H16
Back Up Light1995 – 20107440
Brake1995 – 20107443
Daytime Running Light2005 – 20109005
Dome Light1995 – 1998, 2005 – 2007DE3022
2008 – 2010DE3175
1999 – 2004DE3423
Front Side Marker1999 – 20041157NA
2008 – 2010168
2005 – 2007194NA
1995 – 19982057
Front Turn Signal1999 – 20041157
1995 – 19982057
2005 – 20107440NA
License Plate2005 – 200712961
1995 – 2004, 2008 – 2010168
Parking Light1999 – 20041157NA
2008 – 2010168
2005 – 2007194NA
1995 – 19982057
Rear Side Marker1995 – 20107443
Rear Turn Signal1995 – 20047440
2005 – 20107440NA
Tail Light1995 – 19987443
Luggage Compartment1999 – 20046418
1995 – 1998, 2005 – 2010DE3175
Center High Mount Stop Light1995 – 1998194
1999 – 2010921
Courtesy1999 – 20046418
2005 – 2010DE3175
Glove Box1999, 2002, 200712818
2000 – 2001, 2003 – 2006, 2008 – 2010DE3175
Inner Tail Light1999 – 2010194
Interior Door2005 – 2010194
1995 – 1998DE3021
Map Light1995 – 1998, 2005 – 2007DE3022
2008 – 2010DE3175
Outer Tail Light1999 – 20107443
Low Beam Headlight2011 – 2018H11
High Beam Headlight2011 – 20189005
Front Fog Light2018H8
2011 – 2017H8/H11/H16
Back Up Light2011 – 20187440
Brake2014 – 20187440
2011 – 20137443
Daytime Running Light2011 – 20189005
Dome Light201812961
Front Side Marker2011 – 20183457
Front Turn Signal20183357NA
2011 – 20173457NA
License Plate2011 – 2018168
Parking Light2011 – 20183357NA
Rear Side Marker2011 – 20137443
Rear Turn Signal20187440
2011 – 20177440NA
Luggage Compartment2011 – 2018DE3175
Center High Mount Stop Light2011 – 2018921
Courtesy2011 – 2018168
Floor Console Compartment201874
Glove Box2011 – 201874
Inner Tail Light2011 – 2013194
Interior Door2011 – 2018194
Map Light2014 – 201812961
2011 – 2013DE3175
Outer Tail Light2011 – 20137443
Low Beam Headlight2011 – 2018D2S
High Beam Headlight2011 – 20189005
Front Fog Light2011 – 2018H8/H11/H16
Back Up Light2011 – 20187440
Brake2014 – 20187440
2011 – 20137443
Daytime Running Light2011 – 20189005
Dome Light201812961
Front Side Marker2011 – 20183457
Front Turn Signal20183457
2011 – 20173457NA
License Plate2011 – 2018168
Parking Light2011 – 20183357NA
Rear Side Marker2011 – 20137443
Rear Turn Signal20187440
2011 – 20177440NA
Luggage Compartment2011 – 2018DE3175
Center High Mount Stop Light2011 – 2018921
Courtesy2011 – 2018168
Floor Console Compartment201874
Glove Box2011 – 201874
Inner Tail Light2011 – 2013194
Interior Door2011 – 2018194
Map Light2014 – 201812961
2011 – 2013DE3175
Outer Tail Light2011 – 20137443