Chevrolet K-Series Pickup Back Up Light Bulb Size
Chevrolet K-Series Pickup back up light bulb sizes include 1156, 3156, and 2356 configurations across different model generations. The replacement chart covers vehicle production years spanning 1975 to 2000.
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
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 | 1156 | P21W | Check Price |
| 1997 | 3156 | P27W | Check Price |
| 1994-1996 | 1156 | P21W | Check Price |
| 1993 | 3156 | P27W | Check Price |
| 1992 | 2356 | 2356 | Check Price |
| 1991 | 2456 | 2456 | Check Price |
| 1990 | 3156 | P27W | Check Price |
| 1988-1989 | 1156 | P21W | Check Price |
| 1979-1986 | 1156 | P21W | Check Price |
| 1978 | 199 | 199 | Check Price |
| 1977 | 1156 | P21W | Check Price |
| 1976 | 199 | 199 | Check Price |
| 1975 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W. | 3156 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V. | 2356 | Check Price |
| ANSI standard (US & Canada). Festoon bulb, specialty application. 12V. | 2456 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 199 | Check Price |