Mack CF Side Marker Bulb Size
The Mack CF front and rear side marker bulb size is 1891 for both locations. The replacement chart covers vehicle production spanning 1981 to 1991.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Side Marker
| Years | Bulb Size |
|---|
| 1981-1991 | 1891 |
Rear Side Marker
| Years | Bulb Size |
|---|
| 1981-1991 | 1891 |
Bulb Specifications
| Description |
Bulb Size |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1891 |