GMC K2500 Suburban Instrument Panel Bulb Size
The GMC K2500 Suburban instrument panel uses bulb sizes 194, 74, and 168 depending on the specific application. Available information covers the range of years from 1979 to 1999.
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 |
|---|---|
| 1997-1999 | 194 |
| 1995-1996 | 74 |
| 1992-1994 | 194 |
| 1986 | 168 |
| 1985 | 194 |
| 1981-1984 | 168 |
| 1979-1980 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |