What is the low beam headlight bulb size for a 2013 Cadillac ATS?

The 2013 Cadillac ATS uses a 9012 bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2013 Cadillac ATS?

The high beam bulb size for the 2013 Cadillac ATS is N/A.

Why are my 2013 Cadillac ATS headlights dim?

Dim headlights on a 2013 Cadillac ATS can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a 9012 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2013 Cadillac ATS fog light?

The 2013 Cadillac ATS typically does not come with factory fog lights in all trim levels. If your vehicle is equipped with them, check the manual as sizes can vary by trim.

Is the 2013 Cadillac ATS single or dual beam?

The 2013 Cadillac ATS uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2013 Cadillac ATS?

Yes, the 2013 Cadillac ATS comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9012 LED conversion kit for the low beams.

How do I change the headlight on a 2013 Cadillac ATS?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old 9012 bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 2013 Cadillac ATS?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved 9012 LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 2013 Cadillac ATS headlights?

A pair of halogen 9012 bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 2013 Cadillac ATS?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the 9012 position are available as direct plug-and-play replacements.

The 2013 Cadillac ATS has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2013 Cadillac ATS

What Size Bulbs Does a 2013 Cadillac ATS Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 2013 Cadillac ATS Have?

Owners of the 2013 Cadillac ATS will find a total of 6 lighting elements throughout the vehicle's exterior. It features a standard lighting system powered by a dual-bulb halogen configuration using separate 9012 low beam and high beam bulbs for precise light distribution. This model belongs to the early years of the ATS's 2013-2019 production span.

Can You Put LED Bulbs in a 2013 Cadillac ATS?

Upgrading to LED is one of the most effective ways to modernize your Cadillac's appearance and safety profile. We recommend starting your upgrade with the 9012 low beams, as they see the most use. Adding a matching LED kit later will complete the look and ensure consistent lighting performance.

2013 Cadillac ATS Bulb Size Chart

Position	Bulb Size	Shop
Side Marker	194	Buy 194 →
Turn Signal Front	7440NA	Buy 7440NA →
Low Beam	9012	Buy 9012 →
Reverse Light	921	Buy 921 →
Parking Light	W5W	Buy W5W →
License Plate	W5W	Buy W5W →