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 – 2015 H11
High Beam Headlight2006 – 2007, 2009 – 2015 9005
High Beam and Low Beam Headlight2003 – 2005 9003
Front Fog Light2006 – 2007, 2009 – 2015 H8/H11/H16
Back Up Light2003 – 2007, 2009 – 2015 921
Brake2003 – 2007, 2009 – 2015 7443
Daytime Running Light2003 – 2005 9003
2006 – 2007, 2009 – 2015 9005
Front Side Marker2003 – 2007, 2009 – 2015 168
Front Turn Signal2003 – 2005 1157
2009 – 2015 3457NA
2006 – 2007 PY21W
License Plate2009 – 2015 12961
2003 – 2007 168
Parking Light2003 – 2005 1157
2006 – 2007 168
2009 – 2015 3357NA
Rear Side Marker2009 – 2015 12961
2003 – 2007 168
Rear Turn Signal2003 – 2007, 2009 – 2015 7443
Tail Light2003 – 2007, 2009 – 2015 7443
Luggage Compartment2003 – 2007, 2009 – 2015 DE3175
Center High Mount Stop Light2009 – 2015 194
2003 – 2007 921
Courtesy2003 – 2005 578
Glove Box2005 – 2007 12818
2003 – 2004 DE3175
Interior Door2003 – 2007, 2009 – 2015 194
Map Light2009 – 2015 DE3175
Low Beam Headlight2016 – 2018 H11
High Beam Headlight2016 – 2018 9005
Front Fog Light2016 – 2018 H8
Back Up Light2016 – 2018 7440
Front Turn Signal2016 – 2018 7444NA
Parking Light2016 – 2018 7443NA
Rear Turn Signal2016 – 2018 7440
Courtesy2016 – 2018 168
Glove Box2016 – 2018 74
Interior Door2016 – 2018 194
Map Light2016 – 2018 12961
Stepwell2016 – 2018 74
Low Beam Headlight2008 H11
High Beam Headlight2008 9005
Front Fog Light2008 H8/H11/H16
Back Up Light2008 921
Brake2008 7443
Daytime Running Light2008 9005
Front Side Marker2008 168
Front Turn Signal2008 PY21W
License Plate2008 168
Parking Light2008 168
Rear Side Marker2008 168
Rear Turn Signal2008 7443
Tail Light2008 7443
Luggage Compartment2008 DE3175
Center High Mount Stop Light2008 921
Glove Box2008 12818
Interior Door2008 194
Map Light2008 DE3175