GMC Envoy XL Back Up Light Bulb Size
The GMC Envoy XL back up light bulb size is 3157, a specific bulb designation for this vehicle model. The replacement chart covers 2002 through 2006 production 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.
Bulb Size by Year Range
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2002-2006 | 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 |