What is the low beam headlight bulb size for a 2012 GMC Acadia?

The 2012 GMC Acadia uses a HID-D1S LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2012 GMC Acadia?

The high beam bulb size for the 2012 GMC Acadia is HID-D1S LED.

Why are my 2012 GMC Acadia headlights dim?

Dim headlights on a 2012 GMC Acadia can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a HID-D1S LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2012 GMC Acadia fog light?

The 2012 GMC Acadia uses a 5202 LED bulb for the fog light position.

Is the 2012 GMC Acadia single or dual beam?

The 2012 GMC Acadia uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Can I install LED bulbs on my 2012 GMC Acadia?

Yes, the 2012 GMC Acadia comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D1S LED LED conversion kit for the low beams.

Does the 2012 GMC Acadia have fog lights?

Yes, the 2012 GMC Acadia takes a 5202 LED bulb for the fog light position.

Did the 2012 GMC Acadia change headlight bulb sizes from the previous year?

No — the 2012 GMC Acadia uses the same bulb sizes as the 2011 model. This configuration has been consistent across the 2010–2012 generation.

Is the 2012 GMC Acadia the first or last year to use HID-D1S LED bulbs?

The 2012 GMC Acadia is the last year in the 2010–2012 generation to use the HID-D1S LED bulb for the low beam headlight.

How do I change the headlight on a 2012 GMC Acadia?

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 HID-D1S LED 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 2012 GMC Acadia?

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 HID-D1S LED 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 2012 GMC Acadia headlights?

A pair of HID HID-D1S LED bulbs costs $50 to $150. 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 2012 GMC Acadia?

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 HID-D1S LED position are available as direct plug-and-play replacements.

The 2012 GMC Acadia is the last model year to use this bulb configuration (2010–2012).

Fitment Guaranteed for 2012 GMC Acadia

What Size Bulbs Does a 2012 GMC Acadia Use?

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

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$50 - $150 (HID System)

What Lighting System Does the 2012 GMC Acadia Have?

When it comes to nighttime visibility, the 2012 GMC Acadia relies on an arrangement of 14 specialized bulbs. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D1S projector housings for high-intensity output. This model belongs to the mid years of the Acadia's 2007-2019 production span.

Can You Put LED Bulbs in a 2012 GMC Acadia?

The 2012 GMC Acadia is already equipped with factory D1S HID/Xenon headlights. Since HID technology already provides exceptional brightness, we recommend staying with high-quality OEM replacement bulbs rather than attempting an LED retrofit for the primary headlights. However, the 5202 LED fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

2012 GMC Acadia Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D1S LED	Buy HID-D1S LED →
High Beam	HID-D1S LED	Buy HID-D1S LED →
Fog Light	5202 LED	Buy 5202 LED →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	LED Bulb	Buy LED Bulb →
Turn Signal Front	12272NA LED	Buy 12272NA LED →
Turn Signal Rear	LED Bulb	Buy LED Bulb →
Reverse Light	12185	Buy 12185 →
Dome Light	212-2	Buy 212-2 →
License Plate	168	Buy 168 →
Map Light	168	Buy 168 →
Parking Light	194NA	Buy 194NA →
Trunk Light	175	Buy 175 →
Daytime Running	3157	Buy 3157 →

How do the 2012 GMC Acadia's bulbs compare to other years?

The 2012 GMC Acadia uses the same bulbs as the 2011 model.

The 2013 model switched to a different bulb configuration.

This bulb configuration covers the 2010–2012 model years. ← 2011 2013 →

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Other Acadia Years

2019 2018 2017 2016 2015 2014 2013 2011 2010 2009 2008 2007

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