GMC K35 Courtesy Bulb Size
GMC K35 courtesy bulb utilizes 90 and 211-2 size specifications across the model line. The replacement chart covers 1969 through 1978 production years with corresponding bulb size data.
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 Type | Shop |
|---|---|---|
| 1977-1978 | 90 | Check Price |
| 1974 | 90 | Check Price |
| 1969-1972 | 211-2 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W. | 90 | Check Price |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 211-2 | Check Price |