Mercury Cougar Engine Compartment Light Bulb Size
The Mercury Cougar engine compartment light utilizes bulb sizes 906, 89, and 631 depending on the specific production period for the vehicle. Available data covers the range from 1967 to 1997 for the specified lighting components.
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 |
|---|---|
| 1989-1997 | 906 |
| 1983-1987 | 89 |
| 1972-1980 | 89 |
| 1967-1970 | 631 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W. | 906 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 631 |