Pontiac GTO Glove Box Bulb Size
The Pontiac GTO glove box bulb accommodates 3 distinct bulb sizes: DE3423, 1893, and 1891. A replacement chart documents bulb specifications across the 1964 to 2006 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 Size |
|---|---|
| 2004-2006 | DE3423 |
| 1972-1973 | 1893 |
| 1966-1970 | 1891 |
| 1964-1965 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V. | DE3423 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1891 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |