Peterbilt 375 Courtesy Bulb Size
The Peterbilt 375 courtesy light uses bulb sizes 1004, 1141, 906, and P21W according to the provided technical specifications for the vehicle lighting system. Available information covers the production range from 1987 through 1996 for the specified truck 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 |
|---|---|
| 1996 | P21W (With 4 Rectangular Headlamps) |
| 1004 (With 4 Round Headlamps) | |
| 1141 (With Halogen Capsule Headlamps) | |
| 1995 | 1141 |
| P21W (With Halogen Capsule Headlamps) | |
| 1994 | P21W (With 4 Rectangular Headlamps) |
| 906 (With 4 Round Headlamps) | |
| 1004 (With Halogen Capsule Headlamps) | |
| 1992-1993 | 1004 |
| 1141 (With Halogen Capsule Headlamps) | |
| 1991 | 1004 (With 4 Rectangular Headlamps) |
| 1141 (With 4 Round Headlamps) | |
| P21W (With Halogen Capsule Headlamps) | |
| 1990 | 1141 (With 4 Rectangular Headlamps) |
| 1004 (With 4 Round Headlamps) | |
| P21W (With Halogen Capsule Headlamps) | |
| 1989 | P21W (With 4 Rectangular Headlamps) |
| 1004 (With 4 Round Headlamps) | |
| 1141 (With Halogen Capsule Headlamps) | |
| 1988 | P21W (With 4 Rectangular Headlamps) |
| 1141 (With 4 Round Headlamps) | |
| 1004 (With Halogen Capsule Headlamps) | |
| 1987 | 1141 |
| P21W (With 4 Rectangular Headlamps) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1004 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1141 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W. | 906 |