GMC K35 Brake Bulb Size
GMC K35 brake bulb specifications include 198 and 1034 bulb sizes for this truck model. The replacement chart covers vehicle production years spanning 1968 to 1978 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 Size |
|---|---|
| 1977-1978 | 198 |
| 1969-1974 | 198 |
| 1968 | 1034 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 198 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1034 |