Mercury Montclair Dome Light Bulb Size

The Mercury Montclair dome light requires bulb sizes 1003, 1816, or 63 depending on the specific application for the vehicle. Data for the bulb sizes covers the range from 1955 to 1968.

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

YearsBulb TypeShop
19681003Check Price
19671816Check Price
1964-19661003Check Price
1956-19601003Check Price
195563Check Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1003Check Price
ANSI standard (US & Canada). Miniature wedge bulb (T3.25). 12V, 4W.1816Check Price
ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 0.63W.63Check Price

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