GMC W6500 Forward Parking Light Bulb Size
The GMC W6500 Forward parking light utilizes bulb sizes 67, 1157, and 2057 across various applications. Available information covers a range of production from 1987 through 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 |
|---|---|
| 1995-1996 | 67 (Tiltmaster) |
| 1993-1994 | 2057 (Tiltmaster) |
| 1992 | 2057 |
| 1991 | 1157 (Medium Duty) |
| 67 (Tiltmaster) | |
| 1990 | 2057 (Medium Duty) |
| 67 (Tiltmaster) | |
| 1988-1989 | 1157 (Medium Duty) |
| 67 (Tiltmaster) | |
| 1987 | 2057 |
| 1157 (Medium Duty) | |
| 67 (With 4 Round Headlamps) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W. | 67 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |