Used for: Headlight Bulb High Beam and Low Beam
Used for: Headlight Bulb Low Beam
Used for: Daytime Running Light Bulb
Used for: License Plate Light Bulb, Map Light Bulb
Used for: License Plate Light Bulb, Map Light Bulb
Used for: Parking Light Bulb, Glove Box Light Bulb
Used for: Parking Light Bulb, Glove Box Light Bulb
Used for: Side Marker Light Bulb Front
Used for: Turn Signal Light Bulb Front
Used for: Automatic Transmission Indicator Light Bulb
Used for: Courtesy Light Bulb
Used for: Dome Light Bulb
Used for: Trunk or Cargo Area Light
Used for: Trunk or Cargo Area Light
Used for: Vanity Mirror Light Bulb
This page helps you verify the bulb sizes for the 2009 GMC Acadia by lighting position, so you can match the correct replacement to the right lamp before you buy. Because several exterior and interior lights use different bulb types, checking the exact location is the easiest way to avoid ordering the wrong part.
The 2009 GMC Acadia can use different bulb setups depending on trim, market, and lighting package. That means the same vehicle may have different bulbs for the headlamps, turn signals, or interior lights, so it is smart to compare the chart with the bulb already installed in your Acadia.
For fitment, always confirm whether your Acadia uses halogen or HID-style headlamps, since the low beam may be H11 on some versions while other setups use D1S for the headlight bulb arrangement. LED replacement bulbs and aftermarket conversion kits can also change the required fitment, beam pattern, and connector style, especially on exterior lighting. Before ordering, check the bulb currently in the vehicle, note any markings on the base, and compare the socket shape and retention style with the replacement part. This is especially important on trim and package variations, where the same 2009 GMC Acadia may not use the same bulb across all markets or body styles.
The listed low beam headlight bulb size is H11 for many 2009 GMC Acadia configurations. Some versions may use a different headlight setup, so verify the installed bulb before replacing it.
Some listings show a D1S headlight bulb setup for high beam and low beam on certain Acadia configurations. Because this can vary by trim and lighting package, check the existing bulb and headlamp type before purchase.
The rear turn signal light bulb is listed as LED on this page. If your vehicle has been modified or converted, confirm the actual bulb style in the housing before ordering.
The rear tail light bulb is listed as LED for the 2009 GMC Acadia. Since tail lamp assemblies can vary, it is best to verify the bulb type in the vehicle.
The brake light bulb is listed as LED. Check the installed bulb and the lamp assembly design to make sure the replacement matches your specific Acadia.
The license plate light bulb sizes listed are 168 and 917. Either may apply depending on the exact lamp setup, so confirm the bulb currently in the socket.
The map light bulb sizes listed are 168 and 917. These are common interior bulbs, but checking the original bulb is still the safest way to confirm fitment.
The parking light bulb sizes listed are 194 and 7441. If your Acadia has a different lighting package, verify the bulb in the parking lamp housing before buying.
The front side marker light bulb size listed is 194NA. This is specific to the front side marker position and should not be confused with the rear side marker bulb.
The rear side marker light bulb is listed as LED. Because rear lamp assemblies can differ by market or trim, check the installed bulb to confirm the exact replacement.
The daytime running light bulb size listed is 3157. If your Acadia has been changed to an aftermarket setup, the original bulb may no longer match the factory listing.
The dome light bulb is listed as 212-2, and the trunk or cargo area light uses 6411 or 6428. These interior locations often use different bulbs, so match the position carefully.
Yes, many owners choose LED replacements, but fitment depends on the bulb position, socket type, and whether the vehicle originally used halogen or HID-style lighting. Make sure the LED replacement is compatible with the housing and does not create beam or glare issues.
Because trim and lighting package differences can change bulb fitment on the 2009 GMC Acadia. Checking the installed bulb helps confirm the exact size, base, and connector style before you buy.
