Peterbilt 389 Side Marker Bulb Size
The Peterbilt 389 front side marker bulb uses a 194 size bulb for this model. The replacement chart covers vehicle production years spanning 2008 to 2009.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Side Marker
| Years | Bulb Size |
|---|---|
| 2008-2009 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |