Cadillac XTS Bulb Size by Year
The 2013-2019 Cadillac XTS has factory LED headlights, so there is no headlight bulb to replace.
Headlight bulbs by model year
| Model years | Low beam | High beam | Fog | Buy |
|---|---|---|---|---|
| 2013-2019 | LED | LED | - |
LED means the headlight is a sealed LED unit from the factory, so there is no bulb to buy. Some trims differ from the base car, so check the bulb you are removing. Shop links go to Amazon, and we may earn a commission at no extra cost to you. Open your exact year below for every bulb position and sources.
Every XTS year
2019 Cadillac XTSLED2018 Cadillac XTSLED2017 Cadillac XTSLED2016 Cadillac XTSLED2015 Cadillac XTSLED2014 Cadillac XTSLED2013 Cadillac XTSLED
Sources. The bulb code for 7 of 7 model years is checked against a cited source, most often Diode Dynamics - OEM HID for 2013-2018 Cadillac XTS (D3S) and SEALIGHT - Cadillac XTS Light Bulb Size Chart. Each year page lists its own sources.
Last verified 2026-06-19. Maintained by Matan B., who runs GarageDex. How we verify.