Peterbilt 265 Turn Signal Bulb Size
The Peterbilt 265 front and rear turn signal bulbs utilize a 2057 or 198 size. The replacement chart covers vehicle production spanning 1988 to 1994.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Turn Signal
| Years | Bulb Size |
| 1993-1994 | 2057 |
| 1992 | 2057 |
| 198 (With 4 Round Headlamps) |
| 1991 | 198 |
| 1990 | 2057 |
| 1989 | 2057 |
| 198 (With 4 Round Headlamps) |
| 1988 | 198 |
| 2057 (With 4 Rectangular Headlamps) |
Rear Turn Signal
| Years | Bulb Size |
| 1990-1994 | 2057 |
| 1989 | 2057 |
| 198 (With 4 Round Headlamps) |
| 1988 | 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 |