6 Years Available
Cadillac Ats Light Bulb Sizes
Complete bulb size reference for the Cadillac Ats from 2014 to 2019. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Year Range
2014 – 2019
6 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | HID-D3S LED(2014–2019) | 6 years | Consistent |
| High Beam | HID-D3S LED(2014–2019) | 6 years | Consistent |
| Fog Light | LED Fog Light(2014–2019) | 6 years | Consistent |
| Brake Light | LED Bulb(2014–2019) | 6 years | Consistent |
| Side Marker | LED Bulb(2014–2019) | 6 years | Consistent |
| Turn Signal Front | 7444NA LED(2016–2019) 7444NA LED or 7440NA(2014–2015) | 6 years | Changed |
| Turn Signal Rear | LED Bulb(2014–2019) | 6 years | Consistent |
| License Plate | 2825(2014–2019) | 6 years | Consistent |
| Parking Light | 7444NA(2016–2019) 2825 or 7444NA(2014–2015) | 6 years | Changed |
| Reverse Light | 921(2014–2019) | 6 years | Consistent |
| Trunk Light | 175(2014–2019) | 6 years | Consistent |
Select Your Year
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Frequently Asked Questions
We have bulb size data for the Cadillac Ats from 2014 to 2019, covering 6 model years.
Yes, the Cadillac Ats has used different bulb sizes across model years. Check the bulb evolution table above to see exactly which sizes were used in which years.
The most commonly used low beam headlight bulb for the Cadillac Ats is the HID-D3S LED. Select your specific year below for the exact fitment.
Yes, you can upgrade your Cadillac Ats headlights to LED. Look for an LED conversion kit in the HID-D3S LED size for the low beams. LED bulbs offer better visibility and longer lifespan.
Select your Cadillac Ats year from the list below. Each year page shows every bulb position with the correct size and links to purchase on Amazon.