GMC K2500 Turn Signal Bulb Size
GMC K2500 front and rear turn signal bulbs utilize 2357NA, 3057, 2057NA, 1157, and 2057 sizes depending on location and model variation. The replacement chart covers 1979 through 2000 production years with corresponding bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front 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 |
|---|---|---|---|
| 1993-2000 | 2357NA | P21/5W | Check Price |
| 1992 | 3057 | 3057 | Check Price |
| 1988-1991 | 2357NA | P21/5W | Check Price |
| 1983-1986 | 2057NA | P21/5W | Check Price |
| 1982 | 1034NA | 1034NA | Check Price |
| 1981 | 1157 | P21/5W | Check Price |
| 1979-1980 | 1157NA | P21/5W | 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 |
|---|---|---|---|
| 1995-2000 | 3057 | 3057 | Check Price |
| 1994 | 1157 | P21/5W | Check Price |
| 1990-1993 | 3057 | 3057 | Check Price |
| 1988-1989 | 2057 | 2057 | Check Price |
| 1983-1986 | 2057 | 2057 | Check Price |
| 1979-1982 | 1157 | P21/5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 26.9W/8W. | 2357NA | 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). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Brighter variant of 1157. 12V, 26.9W/8W. | 2057NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W. | 1034NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W. | 1157NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 | Check Price |