Kenworth C550 Brake Bulb Size
The Kenworth C550 brake light utilizes 1156, 1157, and P21W bulb sizes depending on the specific production period. Data for the mentioned components covers the range from 1986 through 1994.
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 |
|---|---|
| 1994 | 1157 |
| 1992-1993 | 1156 |
| 1990-1991 | 1157 |
| 1986-1989 | 1156 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |