GMC K1500 Turn Signal Bulb Size
The GMC K1500 front and rear turn signal bulbs utilize sizes 3157NA, 2357NA, 3057, and 1157, with front applications requiring 3157NA, 2357NA, or 3057 bulbs and rear applications requiring 3157, 3057, or 1157 bulbs. The replacement chart covers 1979 through 1999 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.
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 |
|---|---|---|---|
| 1999 | 3157NA | PY27/7W | Check Price |
| 1993-1998 | 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 |
|---|---|---|---|
| 1999 | 3157 | P27/7W | Check Price |
| 1998 | 3057 | 3057 | Check Price |
| 1995-1997 | 1157 | P21/5W | Check Price |
| 1990-1994 | 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 wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3157NA | Check Price |
| 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 wedge bulb (T25). 12V, 27W/7W. | 3157 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 | Check Price |