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 Headlight 1999 – 2000, 2002 9006
2003 – 2006 D1R
High Beam Headlight 1999 – 2000, 2002 – 2006 9005
High Beam and Low Beam Headlight 2007 – 2008 D1S
Front Fog Light 2002 – 2006 880
1999 – 2000 894
2007 – 2008 9145
Back Up Light 1999 – 2000 3156
2002 – 2006 3157
2007 – 2008 7440
Brake 1999 – 2000 3057
2002 – 2006 3157
Daytime Running Light 2002 – 2006 4114
2007 – 2008 PS19W
Dome Light 2007 – 2008 212-2
1999 – 2000, 2002 – 2006 578
Front Side Marker 1999 – 2000, 2002 – 2008 194
Front Turn Signal 1999 – 2000 2357NA
2002 – 2006 3157NA
2007 – 2008 3757NA
2015 – 2018 7440NA
License Plate 2015 – 2018 12961
1999 – 2000, 2002 – 2008 194
Parking Light 1999 – 2000 2357
2002 – 2006 3157
2007 – 2008 3757NA
Rear Side Marker 1999 – 2000, 2002 – 2006 194
Rear Turn Signal 1999 – 2000 3057
2002 – 2006 3157
Tail Light 1999 – 2000 3057
2002 – 2006 3157
Luggage Compartment 1999 – 2000 561
2002 – 2008 578
Courtesy 2002 – 2006 168
1999 – 2000 194
Engine Compartment Light 1999 – 2000 1156
Glove Box 1999 – 2000, 2002 – 2008 194
Interior Door 2007 – 2008 194
Map Light 1999 – 2000 168
2002 – 2008 578
High Beam and Low Beam Headlight 2009 – 2014 D1S
Front Fog Light 2009 – 2014 9145
Back Up Light 2009 – 2014 7440
Daytime Running Light 2009 – 2014 PS19W
Dome Light 2009 – 2014 212-2
Front Side Marker 2009 – 2014 194
Front Turn Signal 2009 – 2014 3457NA
License Plate 2009 – 2014 194
Parking Light 2009 – 2014 3357NA
Luggage Compartment 2009 – 2014 578
Glove Box 2009 – 2014 194
Interior Door 2009 – 2014 194
Map Light 2009 – 2014 578
Low Beam Headlight 2003 – 2006 D1R
High Beam Headlight 2003 – 2006 9005
High Beam and Low Beam Headlight 2007 – 2008 D1S
Front Fog Light 2003 – 2006 880
2007 – 2008 9145
Back Up Light 2003 – 2006 3157
2007 – 2008 7440
Brake 2003 – 2006 3157
Daytime Running Light 2003 – 2006 4114
2007 – 2008 PS19W
Dome Light 2007 – 2008 212-2
2003 – 2006 578
Front Side Marker 2003 – 2008 194
Front Turn Signal 2003 – 2006 3157NA
2007 – 2008 3757NA
2015 – 2018 7440NA
License Plate 2015 – 2018 12961
2003 – 2008 194
Parking Light 2003 – 2006 3157
2007 – 2008 3757NA
Rear Side Marker 2003 – 2006 194
Rear Turn Signal 2003 – 2006 3157
Tail Light 2003 – 2006 3157
Luggage Compartment 2003 – 2008 578
Courtesy 2003 – 2006 168
Glove Box 2003 – 2008 194
Interior Door 2007 – 2008 194
Map Light 2003 – 2008 578
High Beam and Low Beam Headlight 2009 – 2014 D1S
Front Fog Light 2009 – 2014 9145
Back Up Light 2009 – 2014 7440
Daytime Running Light 2009 – 2014 PS19W
Dome Light 2009 – 2014 212-2
Front Side Marker 2009 – 2014 194
Front Turn Signal 2009 – 2014 3457NA
License Plate 2009 – 2014 194
Parking Light 2009 – 2014 3357NA
Luggage Compartment 2009 – 2014 578
Glove Box 2009 – 2014 194
Interior Door 2009 – 2014 194
Map Light 2009 – 2014 578
Low Beam Headlight 2002 9006
2003 – 2006 D1R
High Beam Headlight 2002 – 2006 9005
High Beam and Low Beam Headlight 2007 – 2013 D1S
Front Fog Light 2002 – 2006 880
2007 – 2013 9145
Back Up Light 2002 – 2006 3157
2007 – 2013 7441
Brake 2011 – 2013 3047
2007 – 2010 3057
2002 – 2006 3157
Daytime Running Light 2002 – 2006 4114
2007 – 2013 PS19W
Dome Light 2007 – 2013 212-2
2002 – 2006 578
Front Side Marker 2002 – 2013 194
Front Turn Signal 2002 – 2006 3157NA
2009 – 2013 3457NA
2007 – 2008 3757NA
License Plate 2007 – 2013 168
2002 – 2006 194
Parking Light 2002 – 2006 3157
2009 – 2013 3357NA
2007 – 2008 3757NA
Rear Side Marker 2002 – 2013 194
Rear Turn Signal 2011 – 2013 3047
2007 – 2010 3057
2002 – 2006 3157
Tail Light 2011 – 2013 3047
2007 – 2010 3057
2002 – 2006 3157
Luggage Compartment 2002 – 2013 578
Courtesy 2002 – 2006 168
Glove Box 2002 – 2013 194
Interior Door 2007 – 2013 194
Map Light 2009 – 2013 212-2
2002 – 2008 578