GMC W4500 Forward Courtesy Bulb Size
The GMC W4500 Forward courtesy light uses bulb sizes 1003, 211-2, and 67 depending on the specific application. Data for the listed components covers the range from 1992 to 1996.
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 | 1003 (Tiltmaster) |
| 1995 | 211-2 (Tiltmaster) |
| 1994 | 67 (Tiltmaster) |
| 1993 | 211-2 (Tiltmaster) |
| 1992 | 211-2 (Medium Duty) |
| 67 (Tiltmaster) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 211-2 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W. | 67 |