Peterbilt 379 Brake Bulb Size
The Peterbilt 379 brake component utilizes 2057 and 198 bulb sizes for the lighting system. Provided information covers the range of 1986 through 2007 for the specified vehicle and lighting components.
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 |
|---|---|
| 1997-2007 | 2057 |
| 1996 | 2057 |
| 198 (With Halogen Capsule Headlamps) | |
| 1994-1995 | 2057 |
| 1993 | 198 |
| 2057 (With 4 Round Headlamps) | |
| 1990-1992 | 2057 |
| 1989 | 2057 |
| 198 (With 4 Rectangular Headlamps) | |
| 1988 | 198 |
| 2057 (With Halogen Capsule Headlamps) | |
| 1986-1987 | 2057 |
| 198 (With Halogen Capsule Headlamps) |
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 |