Ford F-600 Super Duty Back Up Light Bulb Size
The Ford F-600 Super Duty back up light uses a WT21W bulb size for this vehicle model. The replacement chart covers 2020 to 2022 production years with corresponding bulb size specifications.
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 Type | Shop |
|---|---|---|
| 2020-2022 | WT21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| Ford OEM part. Single-filament wedge bulb (T20). Originally used in 2021+ Ford F-150, Bronco, and Maverick. 12V, 21W. | WT21W | Check Price |