GMC C3500 Turn Signal Bulb Size
The GMC C3500 front and rear turn signal bulb sizes include 2357NA, 3057, 2057NA, 1157, and 2057, with front positions utilizing the larger bulb size options and rear positions accommodating multiple configurations. The replacement chart covers 1979 to 2000 model production years with corresponding bulb specifications for each generation.
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 | 1157NA | P21/5W | Check Price |
| 1981 | 1157 | P21/5W | Check Price |
| 1980 | 1034NA | 1034NA | Check Price |
| 1979 | 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 |
|---|---|---|---|
| 1998-2000 | 3057 | 3057 | Check Price |
| 1993-1997 | 1157 | P21/5W | Check Price |
| 1990-1992 | 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. 12V, 21W/5W. | 1157NA | 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. Variant of 1157. 12V, 21/5W. | 1034NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 | Check Price |