Volvo 1800 License Plate Bulb Size

The Volvo 1800 license plate light requires a single 1895 bulb size for the rear exterior lighting assembly. Data for the specific bulb requirements covers the period from 1969 through 1973.

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
1969-1973	1895

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W.	1895

Other Locations

Additional Notes

The Volvo 1800 uses the 1895 bulb for its license plate light across the 1969-1973 model years.
The 1895 is an ANSI-standardized bulb, meaning its specifications are governed by a recognized North American standard shared across the United States and Canada.
The 1895 bulb belongs to the T5 form factor, a miniature wedge-base type. The wedge base design means the bulb is held in place by the socket gripping the glass envelope directly, with no separate metal base or pins.
At 12 volts and 0.9 watts, the 1895 operates on the standard automotive electrical system voltage and draws a very low amount of power, consistent with its role as a small indicator-type bulb.
The T5 designation refers to the tubular glass envelope width expressed in eighths of an inch, placing the 1895 in a physically small category suited to compact lamp housings such as license plate assemblies.
Because the 1895 is a wedge-base bulb, substitution with a bayonet or screw-base type of similar wattage would not be physically compatible with the Volvo 1800's license plate lamp socket.