When doing replacement or upgrading on 2003 – 2018 Honda Pilot EX-L capsule halogen headlamps with, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight2006 – 2007, 2009 – 2015H11
High Beam Headlight2006 – 2007, 2009 – 20159005
High Beam and Low Beam Headlight2003 – 20059003
Front Fog Light2006 – 2007, 2009 – 2015H8/H11/H16
Back Up Light2003 – 2007, 2009 – 2015921
Brake2003 – 2007, 2009 – 20157443
Daytime Running Light2003 – 20059003
2006 – 2007, 2009 – 20159005
Front Side Marker2003 – 2007, 2009 – 2015168
Front Turn Signal2003 – 20051157
2009 – 20153457NA
2006 – 2007PY21W
License Plate2009 – 201512961
2003 – 2007168
Parking Light2003 – 20051157
2006 – 2007168
2009 – 20153357NA
Rear Side Marker2009 – 201512961
2003 – 2007168
Rear Turn Signal2003 – 2007, 2009 – 20157443
Tail Light2003 – 2007, 2009 – 20157443
Luggage Compartment2003 – 2007, 2009 – 2015DE3175
Center High Mount Stop Light2009 – 2015194
2003 – 2007921
Courtesy2003 – 2005578
Glove Box2005 – 200712818
2003 – 2004DE3175
Interior Door2003 – 2007, 2009 – 2015194
Map Light2009 – 2015DE3175
Low Beam Headlight2016 – 2018H11
High Beam Headlight2016 – 20189005
Front Fog Light2016 – 2018H8
Back Up Light2016 – 20187440
Front Turn Signal2016 – 20187444NA
Parking Light2016 – 20187443NA
Rear Turn Signal2016 – 20187440
Courtesy2016 – 2018168
Glove Box2016 – 201874
Interior Door2016 – 2018194
Map Light2016 – 201812961
Stepwell2016 – 201874
Low Beam Headlight2008H11
High Beam Headlight20089005
Front Fog Light2008H8/H11/H16
Back Up Light2008921
Brake20087443
Daytime Running Light20089005
Front Side Marker2008168
Front Turn Signal2008PY21W
License Plate2008168
Parking Light2008168
Rear Side Marker2008168
Rear Turn Signal20087443
Tail Light20087443
Luggage Compartment2008DE3175
Center High Mount Stop Light2008921
Glove Box200812818
Interior Door2008194
Map Light2008DE3175