Chevrolet R/V Series Back Up Light Bulb Size
Chevrolet R/V Series back up light bulbs utilize 3156, 2456, and 1156 bulb sizes depending on specific model configurations. The replacement chart covers 1987 through 1991 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.
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 |
|---|---|---|---|
| 1991 | 3156 | P27W | Check Price |
| 1990 | 2456 | 2456 | Check Price |
| 1987-1989 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W. | 3156 | 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. 12V, 21W. | 1156 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |