Kenworth T400 Brake Bulb Size
The Kenworth T400 brake light utilizes 1156 and P21W bulb sizes for the lighting components. Available data for the specified vehicle covers the period from 1982 through 1997.
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 |
|---|---|
| 1989-1997 | 1156 |
| 1984 | 1156 |
| 1982 | 1156 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |