Cadillac ATS Bulb Size by Year
The 2013-2019 Cadillac ATS uses a 9012 low beam and a 9012 high beam.
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Headlight bulbs by model year
| Model years | Low beam | High beam | Fog | Buy |
|---|---|---|---|---|
| 2013-2019 | 9012 | 9012 | - | Shop 9012 |
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 ATS year
2019 Cadillac ATS9012/90122018 Cadillac ATS9012/90122017 Cadillac ATS9012/90122016 Cadillac ATS9012/90122015 Cadillac ATS9012/90122014 Cadillac ATS9012/90122013 Cadillac ATS9012/9012
Sources. The bulb code for 7 of 7 model years is checked against a cited source, most often Diode Dynamics - Hi/Lo Beam LED for 2013-2019 Cadillac ATS (9012) and AUXITO - Cadillac ATS Bulb Size Guide. Each year page lists its own sources.
Last verified 2026-06-19. Maintained by Matan B., who runs GarageDex. How we verify.