Peterbilt 388 Brake Bulb Size
The Peterbilt 388 brake light utilizes 1157 and 2057 bulb sizes depending on the specific production period for the heavy duty truck. Data for the lighting components covers the range from 2008 through 2015.
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 |
|---|---|
| 2011-2015 | 1157 |
| 2008-2009 | 2057 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 |