GMC R2500 Suburban Engine Compartment Light Bulb Size
The GMC R2500 Suburban engine compartment light requires a 1156 bulb size, with 93 as an alternative specification. 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 |
|---|---|
| 1991 | 1156 |
| 1990 | 93 |
| 1989 | 1156 |
| 1988 | 93 |
| 1987 | 1156 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 93 |