GMC Envoy Brake Bulb Size
The GMC Envoy brake light utilizes 3057 and 3157 bulb sizes for the rear lighting system. Information provided covers the production period from 2002 through 2009 for the specified vehicle.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | Bulb Size |
|---|---|
| 2004-2009 | 3057 |
| 2002-2003 | 3157 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 |