Dodge St. Regis Dome Light Bulb Size

The Dodge St. Regis dome light bulb uses a 211-2 size specification for this vehicle model. The replacement chart covers 3 production years from 1979 to 1981.

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
1979-1981	211-2

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W.	211-2

Other Locations

Additional Notes

The 211-2 is the sole dome light bulb size listed for the Dodge St. Regis across the 1979-1981 model years.
The 211-2 is an ANSI-standardized bulb type, meaning its specifications are governed by a recognized North American standard applicable in both the United States and Canada.
The 211-2 is a festoon-style bulb, a form factor characterized by a cylindrical body with end caps that seat into spring-clip holders rather than a socket with a traditional base pin.
The bulb body measures 41mm in length, which is a critical fitment factor, as festoon bulbs must physically span the distance between the two retaining clips in the fixture.
The 211-2 uses an SV8.5 base, a designation that refers to the 8.5mm width of the festoon end caps, which must correspond to the clip spacing in the Dodge St. Regis dome light housing.
The bulb operates at 12 volts, consistent with the standard electrical system voltage of passenger vehicles of that era.
At 12 watts, the 211-2 draws a moderate amount of current for an interior courtesy light, reflecting typical incandescent output levels for dome applications of that period.
Because festoon bulbs are defined by both length and base width, substituting a 211-2 with a festoon bulb of a different length or end cap width would result in an improper fit in the St. Regis dome light housing.