Isuzu I-Mark Instrument Panel Bulb Size
The Isuzu I-Mark instrument panel utilizes bulb sizes 74 and 158 for illumination purposes within the interior dashboard assembly. Data for the specified components covers the range from 1981 through 1989.
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 |
|---|---|
| 1987-1989 | 74 |
| 1981-1986 | 158 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 |