GMC C25 Parking Light Bulb Size
The GMC C25 parking light bulb accommodates 3 different sizes: 198, 97, and 67, with each size corresponding to specific vehicle configurations. A replacement chart documents bulb specifications across the 1967 to 1978 production range.
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 |
|---|---|---|
| 1973-1978 | 198 | Check Price |
| 1969-1972 | 97 | Check Price |
| 1967-1968 | 67 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 198 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 13W. | 97 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W. | 67 | Check Price |