Mazda RX-3 Brake Bulb Size
The Mazda RX-3 brake light uses a 1157 bulb size for the rear lighting system. Data for the specific bulb covers the period from 1972 through 1978.
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 |
|---|---|
| 1972-1978 | 1157 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |