Mercury Cougar Dome Light Bulb Size

The Mercury Cougar dome light uses bulb sizes 6411, 578, 912, 906, 561, 211-2, 105, and 1816 depending on the specific production version. Available data covers the range from 1967 through 2002.

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

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

YearsUS TypeEU TypeShop
1999-2002211-2211-2Check Price
1983-1997912W16WCheck Price
1980912W16WCheck Price
1974-1979561561Check Price
1972-1973211-2211-2Check Price
1967-1970211-2211-2Check Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W.211-2Check Price
ANSI standard (US & Canada). Wedge bulb (T15). Variant of 921. 12V, 12W.912Check Price
ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W.561Check Price

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