Cadillac ATS headlight bulb size by year
The low beam, high beam and fog light bulbs for every Cadillac ATS from 2013–2019. Pick your year to jump straight to it. Each answer links to the page in Cadillac’s owner’s manual it came from.
Cadillac ATS bulb sizes at a glance
Where a year lists more than one bulb, it depends on trim or headlight type; see that year’s section below.
2013–2019 Cadillac ATS headlight bulbs
| Light | Bulb | Notes |
|---|---|---|
| Low beam | 9012 also sold as HIR2 | Halogen headlamps Two sources |
Where this comes from (2 sources)
Buy bulbs for your 2013–2019 Cadillac ATS
Recommended9012 standard replacement
Same light as the original bulb, at the lowest price. Fits your low beam.
Always double-check the size printed on the old bulb’s base before you buy. See how we source our data. More Cadillac models.