When doing replacement or upgrading on 1999 – 2018 Cadillac Escalade ESV EXT 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 Headlight1999 – 2000, 2002 9006
2003 – 2006 D1R
High Beam Headlight1999 – 2000, 2002 – 2006 9005
High Beam and Low Beam Headlight2007 – 2008 D1S
Front Fog Light2002 – 2006 880
1999 – 2000 894
2007 – 2008 9145
Back Up Light1999 – 2000 3156
2002 – 2006 3157
2007 – 2008 7440
Brake1999 – 2000 3057
2002 – 2006 3157
Daytime Running Light2002 – 2006 4114
2007 – 2008 PS19W
Dome Light2007 – 2008 212-2
1999 – 2000, 2002 – 2006 578
Front Side Marker1999 – 2000, 2002 – 2008 194
Front Turn Signal1999 – 2000 2357NA
2002 – 2006 3157NA
2007 – 2008 3757NA
2015 – 2018 7440NA
License Plate2015 – 2018 12961
1999 – 2000, 2002 – 2008 194
Parking Light1999 – 2000 2357
2002 – 2006 3157
2007 – 2008 3757NA
Rear Side Marker1999 – 2000, 2002 – 2006 194
Rear Turn Signal1999 – 2000 3057
2002 – 2006 3157
Tail Light1999 – 2000 3057
2002 – 2006 3157
Luggage Compartment1999 – 2000 561
2002 – 2008 578
Courtesy2002 – 2006 168
1999 – 2000 194
Engine Compartment Light1999 – 2000 1156
Glove Box1999 – 2000, 2002 – 2008 194
Interior Door2007 – 2008 194
Map Light1999 – 2000 168
2002 – 2008 578
High Beam and Low Beam Headlight2009 – 2014 D1S
Front Fog Light2009 – 2014 9145
Back Up Light2009 – 2014 7440
Daytime Running Light2009 – 2014 PS19W
Dome Light2009 – 2014 212-2
Front Side Marker2009 – 2014 194
Front Turn Signal2009 – 2014 3457NA
License Plate2009 – 2014 194
Parking Light2009 – 2014 3357NA
Luggage Compartment2009 – 2014 578
Glove Box2009 – 2014 194
Interior Door2009 – 2014 194
Map Light2009 – 2014 578
Low Beam Headlight2003 – 2006 D1R
High Beam Headlight2003 – 2006 9005
High Beam and Low Beam Headlight2007 – 2008 D1S
Front Fog Light2003 – 2006 880
2007 – 2008 9145
Back Up Light2003 – 2006 3157
2007 – 2008 7440
Brake2003 – 2006 3157
Daytime Running Light2003 – 2006 4114
2007 – 2008 PS19W
Dome Light2007 – 2008 212-2
2003 – 2006 578
Front Side Marker2003 – 2008 194
Front Turn Signal2003 – 2006 3157NA
2007 – 2008 3757NA
2015 – 2018 7440NA
License Plate2015 – 2018 12961
2003 – 2008 194
Parking Light2003 – 2006 3157
2007 – 2008 3757NA
Rear Side Marker2003 – 2006 194
Rear Turn Signal2003 – 2006 3157
Tail Light2003 – 2006 3157
Luggage Compartment2003 – 2008 578
Courtesy2003 – 2006 168
Glove Box2003 – 2008 194
Interior Door2007 – 2008 194
Map Light2003 – 2008 578
High Beam and Low Beam Headlight2009 – 2014 D1S
Front Fog Light2009 – 2014 9145
Back Up Light2009 – 2014 7440
Daytime Running Light2009 – 2014 PS19W
Dome Light2009 – 2014 212-2
Front Side Marker2009 – 2014 194
Front Turn Signal2009 – 2014 3457NA
License Plate2009 – 2014 194
Parking Light2009 – 2014 3357NA
Luggage Compartment2009 – 2014 578
Glove Box2009 – 2014 194
Interior Door2009 – 2014 194
Map Light2009 – 2014 578
Low Beam Headlight2002 9006
2003 – 2006 D1R
High Beam Headlight2002 – 2006 9005
High Beam and Low Beam Headlight2007 – 2013 D1S
Front Fog Light2002 – 2006 880
2007 – 2013 9145
Back Up Light2002 – 2006 3157
2007 – 2013 7441
Brake2011 – 2013 3047
2007 – 2010 3057
2002 – 2006 3157
Daytime Running Light2002 – 2006 4114
2007 – 2013 PS19W
Dome Light2007 – 2013 212-2
2002 – 2006 578
Front Side Marker2002 – 2013 194
Front Turn Signal2002 – 2006 3157NA
2009 – 2013 3457NA
2007 – 2008 3757NA
License Plate2007 – 2013 168
2002 – 2006 194
Parking Light2002 – 2006 3157
2009 – 2013 3357NA
2007 – 2008 3757NA
Rear Side Marker2002 – 2013 194
Rear Turn Signal2011 – 2013 3047
2007 – 2010 3057
2002 – 2006 3157
Tail Light2011 – 2013 3047
2007 – 2010 3057
2002 – 2006 3157
Luggage Compartment2002 – 2013 578
Courtesy2002 – 2006 168
Glove Box2002 – 2013 194
Interior Door2007 – 2013 194
Map Light2009 – 2013 212-2
2002 – 2008 578