GMC W4500 Forward Parking Light Bulb Size
The GMC W4500 Forward parking light utilizes 1157, 67, and 2057 bulb sizes for the front exterior lighting components. Available data for the specified vehicle covers the range from 1992 through 2001.
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 |
|---|---|
| 1997-2001 | 1157 (Tiltmaster) |
| 1996 | 67 (Tiltmaster) |
| 1995 | 2057 (Tiltmaster) |
| 1994 | 67 (Tiltmaster) |
| 1993 | 2057 (Tiltmaster) |
| 1992 | 2057 (Medium Duty) |
| 67 (Tiltmaster) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |
| 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 |