GMC G2500 Brake Bulb Size
The GMC G2500 brake light requires 2057 and 1157 bulb sizes depending on the specific production period for the vehicle. Available information covers the span from 1979 through 1995.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Brake
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 |
|---|---|---|---|
| 1983-1995 | 2057 | 2057 | Check Price |
| 1979-1982 | 1157 | P21/5W | Check Price |
Center High Mount Stop Light
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1988-1995 | 921 | W16W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 | Check Price |