When doing replacement or upgrading on 1997 – 2018 Ford Expedition without projector-type headlamps (With with halogen capsule, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight2003 – 2006 9006
High Beam Headlight2003 – 2006 9005
High Beam and Low Beam Headlight1997 – 2002 9007
2007 – 2014 9008
Front Fog Light1997 – 1998 899
2013 – 2014 9140
1999 – 2012 9145
Back Up Light1997 – 2006 3156
2007 – 2014 921
Brake1997 – 2005, 2013 – 2014 3157
2006 – 2012 4057
Dome Light1999 – 2014 578
Front Side Marker2007 – 2014 194
1997 – 2002 194NA
Front Turn Signal2006 3157
1997 – 2002, 2007 – 2014 3157NA
2003 – 2005 3457
License Plate2007 – 2014 168
1997 – 2006 194
Parking Light1997 – 2002, 2007 – 2014 3157
2003 – 2006 3457
Rear Side Marker2006 194
2013 – 2014 3157
2007 – 2012 4057
Rear Turn Signal1997 – 2005, 2013 – 2014 3157
2006 – 2012 4157
Tail Light1997 – 2005, 2013 – 2014 3157
2006 4057
2007 – 2012 4157
Luggage Compartment1997 – 2014 578
Center High Mount Stop Light2003 – 2005 168
2006 – 2014 194
1997 – 2002 912
Courtesy2007 – 2014 12961
1997 – 2002 912
Engine Compartment Light1997 – 2002 912
Glove Box1999 – 2014 194
Map Light2007 – 2014 12961
2003 – 2006 578
1997 – 1998 579
1999 – 2002 PC579
Low Beam Headlight2015 – 2018 H11
High Beam Headlight2015 – 2018 9005
Back Up Light2015 – 2018 921
Brake2015 – 2018 3157
Dome Light2015 – 2018 578
Front Turn Signal2015 – 2018 7444NA
License Plate2015 – 2018 168
Parking Light2015 – 2018 7443NA
Rear Side Marker2015 – 2018 3157
Rear Turn Signal2015 – 2018 3157
Tail Light2015 – 2018 3157
Luggage Compartment2015 – 2018 578
Center High Mount Stop Light2015 – 2018 12961
Map Light2015 – 2017 12961
2018 194
Low Beam Headlight2015 – 2018 9005
High Beam Headlight2015 – 2018 H9
Back Up Light2015 – 2018 921
Brake2015 – 2018 3157
Dome Light2015 – 2018 578
Front Turn Signal2015 – 2018 7444NA
License Plate2015 – 2018 168
Parking Light2015 – 2018 7443NA
Rear Side Marker2015 – 2018 3157
Rear Turn Signal2015 – 2018 3157
Tail Light2015 – 2018 3157
Luggage Compartment2015 – 2018 578
Center High Mount Stop Light2015 – 2018 12961
Map Light2015 – 2017 12961
2018 194
Front Fog Light2018 9140
Back Up Light2018 921
Brake2018 3057
Dome Light2018 578
Front Turn Signal2018 7443NA
License Plate2018 168
Parking Light2018 7444NA
Rear Side Marker2018 3157
Rear Turn Signal2018 3157
Tail Light2018 3157
Luggage Compartment2018 578
Center High Mount Stop Light2018 194
Map Light2018 12961