Mercury Monarch Engine Compartment Light Bulb Size
The Mercury Monarch engine compartment light requires bulb size 89 for the specific lighting component located within the motor area. Data for the bulb size covers the range from 1975 to 1980.
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 Type | Shop |
|---|---|---|
| 1975-1980 | 89 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 | Check Price |