Mack RWL Side Marker Bulb Size
The Mack RWL front and rear side marker bulb size is 1891 for both locations. The replacement chart covers vehicle production data from 1981 to 1985.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Side Marker
Rear Side Marker
Bulb Specifications
| Description |
Type |
Shop |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1891 | Check Price |