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 2003~2017 Cadillac Escalade ESV; 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 2003~2006 Cadillac Escalade ESV: 9005; for 2007~2014 Cadillac Escalade ESV with HID headlamp: D1S; for 2007~2014 Escalade ESV with LED headlamps & 2015~17 Cadillac Escalade ESV: LED
- Low Beam headlight for 2003~2006 Cadillac Escalade ESV:D1R; for 2007~2014 Cadillac Escalade ESV with HID headlamp: D1S; for 2007~2014 Escalade ESV with LED headlamps & 2015~17 Cadillac Escalade ESV: LED
- Fog light for 2003~2006 Cadillac Escalade ESV: 880 ; for 2007~2014 Cadillac Escalade ESV: 9145
- Front turn signal light ( blinker light ) for 2003~2014 Cadillac Escalade ESV: 3157A / 3157AK / 3457A / 3457NAK / 3157-SCK; for 2015~2017 Cadillac Escalade ESV: 7440A / 7440NA
- Rear turn signal light /Brake Light / Tail Light for 2003~2006 Cadillac Escalade ESV: 3157 / 3157K / 3057 / 3057K / 3157-SCK; for 2007~2017 Cadillac Escalade ESV: LED
- Back-up reverse light for 2003~2006 Cadillac Escalade ESV: 3157 / 3157K / 3157-SCK;for 2007~2014 Cadillac Escalade ESV: 7440; for 2015~2017 Cadillac Escalade ESV: LED
- Daytime running light ( DRL ) for 2003~2006 Cadillac Escalade ESV: 4114 ; for 2007~2014 Cadillac Escalade ESV: 5201 ; for 2015~2017 Cadillac Escalade ESV: LED
- License plate light / Tag light: 194 / 2825 / 2825L
- Interior Map light for 2003~2014 Cadillac Escalade ESV: 578 / 212-2; for 2015~2017 Cadillac Escalade ESV: LED
- Interior Festoon Dome light for 2003~2014 Cadillac Escalade ESV: 211-2 ; for 2015~2017 Cadillac Escalade ESV: LED
- Glove box light: 194
- 3rd Brake light/ Center high mount stop light: LED
- Front and rear halogen/incandescent side marker light: 194 / 24
- Vanity mirror light for 2003~2006 Cadillac Escalade ESV: 7065 ; 2009~2014 Cadillac Escalade ESV: 6612F
- Interior door light: 168
Vehicles includes: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Cadillac Escalade ESV