International S122 Back Up Light Bulb Size
The International S122 back up light requires a 199 bulb size for the specific lighting component located at the rear of the vehicle. Data for the bulb size covers the range from 1956 to 1957.
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 |
|---|---|---|
| 1956-1957 | 199 (Light Duty) | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 199 | Check Price |