GMC Terrain Turn Signal Bulb Size
GMC Terrain front turn signal bulbs use 7444NA and 7443NA sizes, while rear turn signal bulbs use 7440 and 3057 sizes. The replacement chart covers 2010 through 2024 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
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2023-2024 | 7444NA | WY21/5W | Check Price |
| 2018-2021 | 7444NA | WY21/5W | Check Price |
| 2017 | 7443NA | WY21/5W | Check Price |
| 2015-2016 | 7444NA | WY21/5W | Check Price |
| 2014 | 7443NA | WY21/5W | Check Price |
| 2013 | 7444NA | WY21/5W | Check Price |
| 2012 | 7443NA | WY21/5W | Check Price |
| 2011 | 7444NA | WY21/5W | Check Price |
| 2010 | 7443NA | WY21/5W | Check Price |
Rear 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 |
|---|---|---|---|
| 2018-2020 | 7440 (With HID Headlamps) | W21W | Check Price |
| 2010-2017 | 3057 | 3057 | 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 |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 | Check Price |