Mack WL Parking Light Bulb Size
The Mack WL parking light requires a bulb size of 1157 for the lighting components. Data for the specified vehicle covers the range from 1982 through 1983.
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 |
|---|---|
| 1982-1983 | 1157 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |