GMC Envoy Back Up Light Bulb Size
The GMC Envoy back up light utilizes 2458 and 3157 bulb sizes according to the provided specifications for the lighting components. Data for the specific bulb sizes covers the range from 2002 through 2009.
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 | US Type | EU Type | Shop |
|---|---|---|---|
| 2002-2009 | 3157 | P27/7W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 | Check Price |