Chevrolet R/V Series Courtesy Bulb Size
Chevrolet R/V Series courtesy bulb sizes include 1003 and 168, with each bulb representing a distinct size specification for this make and model. The replacement chart covers vehicle production years spanning 1987 to 1991.
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
| Years | Bulb Size |
|---|---|
| 1988-1991 | 1003 |
| 1987 | 168 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |