When doing replacement or upgrading on 2003 – 2018 Lexus GX470 GX460 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 Headlight 2010 – 2013 H11
High Beam Headlight 2010 – 2013 9005
Front Fog Light 2010 – 2013 H8/H11/H16
Back Up Light 2010 – 2013 921
Daytime Running Light 2010 – 2013 9005
Dome Light 2010 – 2013 194
Front Side Marker 2010 – 2013 194
Front Turn Signal 2010 – 2013 7440NA
Parking Light 2010 – 2013 168
Rear Side Marker 2010 – 2013 168
Rear Turn Signal 2010 – 2013 7440NA
Interior Door 2010 – 2013 194
Map Light 2010 – 2013 168
Low Beam Headlight 2010 – 2013 D4S
High Beam Headlight 2010 – 2013 9005
Front Fog Light 2010 – 2013 H8/H11/H16
Back Up Light 2010 – 2013 921
Daytime Running Light 2010 – 2013 9005
Dome Light 2010 – 2013 194
Front Side Marker 2010 – 2013 194
Front Turn Signal 2010 – 2013 7440NA
Parking Light 2010 – 2013 168
Rear Side Marker 2010 – 2013 168
Rear Turn Signal 2010 – 2013 7440NA
Interior Door 2010 – 2013 194
Map Light 2010 – 2013 168
High Beam Headlight 2014 – 2018 H9
Back Up Light 2014 – 2018 921
Dome Light 2014 – 2018 194
Front Turn Signal 2014 – 2018 7440NA
Rear Side Marker 2014 – 2018 168
Rear Turn Signal 2014 – 2018 7440NA
Luggage Compartment 2014 – 2018 194
Courtesy 2014 – 2018 168
Map Light 2014 – 2018 168
Low Beam Headlight 2003 – 2009 H11
High Beam Headlight 2003 – 2009 9005
Front Fog Light 2003 – 2009 H3-55W
Back Up Light 2003 – 2009 7440
Brake 2003 – 2009 7443
Dome Light 2003 – 2009 DE3175
Front Side Marker 2003 – 2009 194
Front Turn Signal 2003 – 2009 1156NA
License Plate 2003 – 2009 168
Parking Light 2003 – 2009 168
Rear Side Marker 2003 – 2009 7443
Rear Turn Signal 2003 – 2007 7440
2008 – 2009 7440NA
Tail Light 2003 – 2009 7443
Luggage Compartment 2003 – 2009 DE3175
Glove Box 2003 – 2009 74
Interior Door 2003 – 2009 194