Ford F-650 Roof Marker Bulb Size
The Ford F-650 roof marker uses 194 and 168 bulb sizes for the lighting components located on the exterior top of the vehicle. Data for 194 and 168 bulbs covers the 2000 to 2022 period.
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 |
|---|---|
| 2021-2022 | 194 |
| 2000-2003 | 168 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |