Peterbilt 385 Courtesy Bulb Size
The Peterbilt 385 courtesy light utilizes P21W, 906, 1141, and 1004 bulb sizes for illumination. Data for the specified components covers the period from 1995 through 1997.
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 | P21W (With 4 Rectangular Headlamps) |
| 906 (With 4 Round Headlamps) | |
| 1141 (With Halogen Capsule Headlamps) | |
| 1996 | P21W (With 4 Rectangular Headlamps) |
| 1004 (With 4 Round Headlamps) | |
| 1141 (With Halogen Capsule Headlamps) | |
| 1995 | 1141 |
| 906 (With 4 Round 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). Miniature wedge bulb (T10). 12V, 8W. | 906 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1141 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1004 |