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Used for: Fog Light Bulb Front
Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam and Low Beam(with halogen headlights)
Used for: Headlight Bulb High Beam and Low Beam(with HID headlights)
Used for: Back Up Reverse Light Bulb, Trunk or Cargo Area Light
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front
Used for: Automatic Transmission Indicator Light Bulb
Used for: Dome Light Bulb
Used for: Map Light Bulb
Used for: Map Light Bulb
Used for: Vanity Mirror Light Bulb
This 2015 GMC Acadia bulb size guide helps you quickly verify the correct bulb for each lighting position on your vehicle. Whether you are replacing a headlight, brake light, map light, or reverse light, the page is organized by location so you can match the bulb to the exact function instead of guessing from the model name alone.
The 2015 GMC Acadia can use different bulb types depending on trim, lighting package, body style, and whether the vehicle has halogen or HID headlights. Use the chart on this page to confirm the bulb size for each position before you buy, especially if you are replacing exterior lamps that may look similar but use different bases or LED assemblies.
For best fitment, compare your current bulb to the listing for your exact lighting position and check whether your Acadia is equipped with halogen or HID headlights. Some trims and packages may change the bulb type used for fog lights, front lighting, or interior lamps, and aftermarket LED conversions can require a different bulb style or may not work properly with the factory housing. If possible, inspect the installed bulb before ordering, since the safest way to avoid a return is to match the original bulb number and connector style exactly.
The 2015 GMC Acadia uses D3S bulbs for vehicles equipped with HID headlights, and 9012 bulbs for vehicles equipped with halogen headlights. Confirm which headlight system your Acadia has before ordering.
The back up reverse light bulb is 921 on the 2015 GMC Acadia.
The front turn signal light bulb is 7444NA on the 2015 GMC Acadia.
The front parking light bulb is 7444NA on this model year.
The front side marker light bulb is 194NA.
The front fog light bulb is listed as H11 LED or H16 LED, depending on the vehicle’s setup and lighting package.
Both the rear turn signal light bulb and the rear side marker light bulb are listed as LED on this page. Check the existing bulb or assembly if you are replacing a damaged lamp.
The license plate light bulb is LED on the 2015 GMC Acadia.
The center high mount stop light bulb is LED.
The map light bulb sizes are 168 and 917.
The dome light bulb is 212-2, and it may be optional depending on the vehicle configuration.
The vanity mirror light bulb is 6612F.
The automatic transmission indicator light bulb is 2721.
On this page, both the brake light bulb and the tail light bulb are listed as LED. Because these functions may be integrated into an LED assembly, it is important to verify the exact lamp location before replacing parts.
Trim and lighting package can vary by market and body style, which can change the bulb used in certain positions. Checking your trim and the installed bulb helps avoid ordering the wrong part.