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 Headlight 2006 – 2007, 2009 – 2015 H11
High Beam Headlight 2006 – 2007, 2009 – 2015 9005
High Beam and Low Beam Headlight 2003 – 2005 9003
Front Fog Light 2006 – 2007, 2009 – 2015 H8/H11/H16
Back Up Light 2003 – 2007, 2009 – 2015 921
Brake 2003 – 2007, 2009 – 2015 7443
Daytime Running Light 2003 – 2005 9003
2006 – 2007, 2009 – 2015 9005
Front Side Marker 2003 – 2007, 2009 – 2015 168
Front Turn Signal 2003 – 2005 1157
2009 – 2015 3457NA
2006 – 2007 PY21W
License Plate 2009 – 2015 12961
2003 – 2007 168
Parking Light 2003 – 2005 1157
2006 – 2007 168
2009 – 2015 3357NA
Rear Side Marker 2009 – 2015 12961
2003 – 2007 168
Rear Turn Signal 2003 – 2007, 2009 – 2015 7443
Tail Light 2003 – 2007, 2009 – 2015 7443
Luggage Compartment 2003 – 2007, 2009 – 2015 DE3175
Center High Mount Stop Light 2009 – 2015 194
2003 – 2007 921
Courtesy 2003 – 2005 578
Glove Box 2005 – 2007 12818
2003 – 2004 DE3175
Interior Door 2003 – 2007, 2009 – 2015 194
Map Light 2009 – 2015 DE3175
Low Beam Headlight 2016 – 2018 H11
High Beam Headlight 2016 – 2018 9005
Front Fog Light 2016 – 2018 H8
Back Up Light 2016 – 2018 7440
Front Turn Signal 2016 – 2018 7444NA
Parking Light 2016 – 2018 7443NA
Rear Turn Signal 2016 – 2018 7440
Courtesy 2016 – 2018 168
Glove Box 2016 – 2018 74
Interior Door 2016 – 2018 194
Map Light 2016 – 2018 12961
Stepwell 2016 – 2018 74
Low Beam Headlight 2008 H11
High Beam Headlight 2008 9005
Front Fog Light 2008 H8/H11/H16
Back Up Light 2008 921
Brake 2008 7443
Daytime Running Light 2008 9005
Front Side Marker 2008 168
Front Turn Signal 2008 PY21W
License Plate 2008 168
Parking Light 2008 168
Rear Side Marker 2008 168
Rear Turn Signal 2008 7443
Tail Light 2008 7443
Luggage Compartment 2008 DE3175
Center High Mount Stop Light 2008 921
Glove Box 2008 12818
Interior Door 2008 194
Map Light 2008 DE3175