Peterbilt 377 Brake Bulb Size
The Peterbilt 377 brake light uses bulb sizes 2057 and 198 for the lighting components. Available information spans the range of 1987 through 2001 for the specified vehicle and lighting equipment.
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 |
|---|---|
| 1997-2001 | 2057 |
| 1996 | 2057 |
| 198 (With 4 Round Headlamps) | |
| 1995 | 2057 |
| 198 (With 4 Rectangular Headlamps) | |
| 1994 | 2057 |
| 1992-1993 | 2057 |
| 198 (With Halogen Capsule Headlamps) | |
| 1987-1991 | 2057 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 198 |