Lexus GS300 Stepwell Bulb Size
The Lexus GS300 stepwell light uses bulb sizes 194 and 74 for the interior illumination system. Data for the specified lighting components covers the period from 1993 through 2005.
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 |
|---|---|
| 2005 | 194 |
| 1993-2004 | 74 |
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 |