Lincoln Mark II Dome Light Bulb Size

The Lincoln Mark II dome light requires a 1003 bulb size for proper illumination within the interior cabin area. Data for 1003 bulb requirements covers the 1956 to 1957 span.

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
1956-19571003Check Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1003Check Price

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