GMC Acadia Turn Signal Bulb Size
GMC Acadia front turn signal bulbs utilize 7444NA, 7443NA, or 12272NA sizes, while rear turn signal bulbs use 7440 size. The replacement chart covers 2007 through 2019 model years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Turn Signal
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2019 | 7444NA | WY21/5W | Check Price |
| 2017-2018 | 7443NA | WY21/5W | Check Price |
| 2016 | 7444NA | WY21/5W | Check Price |
| 2013-2015 | 7443NA | WY21/5W | Check Price |
| 2007-2012 | 12272NA | 12272NA | Check Price |
Rear Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2017-2019 | 7440 | W21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W. | 7444NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W. | 7443NA | Check Price |
| OEM part number. Natural amber glass variant. 12V. | 12272NA | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 | Check Price |