When upgrading the stock halogen / incandescent lamps to led lighting bulbs, the bulb size guide will be much helpful, below are the bulb size guide for 2002~2013 Cadillac Escalade EXT; yet it is for reference only, it is suggested to check the owner manual to confirm the bulb size guide is correct before purchasing.
- High Beam Headlight for 2002~2006 Cadillac Escalade EXT: 9005; for 2007~2013 Cadillac Escalade EXT with HID headlamp: D1S; for 2007~2014 Escalade ESV with LED headlamps Cadillac Escalade EXT: LED
- Low Beam headlight for 2002 Cadillac Escalade EXT: 9006; for 2003~2006 Escalade EXT:D1R; for 2007~2013 Cadillac Escalade EXT with HID headlamp: D1S; for 2007~2013 Escalade EXT with LED headlamps: LED
- Fog light for 2002~2006 Cadillac Escalade EXT: 880 ; for 2007~2013 Cadillac Escalade EXT: 9145
- Front turn signal light ( blinker light ) : 3157A / 3157AK / 3457A / 3457NAK / 3157-SCK
- Rear turn signal light /Brake Light / Tail Light : 3157 / 3157K / 3047 / 3047K / 3157-SCK
- Back-up reverse light for 2002~2006 Cadillac Escalade EXT: 3157 / 3157K / 3157-SCK;for 2007~2013 Cadillac Escalade EXT: 7440
- Daytime running light ( DRL ) for 2002~2006 Cadillac Escalade EXT: 4114 ; for 2007~2013 Cadillac Escalade EXT: 5201
- License plate light / Tag light: 194 / 2825 / 2825L
- Interior Map light: 578 / 212-2
- Interior Festoon Dome light : 211-2
- Glove box light: 194
- 3rd Brake light/ Center high mount stop light: LED
- Front and rear halogen/incandescent side marker light: 194
- Vanity mirror light for 2002~2006 Cadillac Escalade EXT: 7065 ; 2009~2013 Cadillac Escalade EXT: 6612F
- Interior door light: 168
Vehicles includes: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Cadillac Escalade EXT
