Chrysler Imperial License Plate Bulb Size

The Chrysler Imperial license plate light requires bulb sizes 194, 168, 97, 67, or 63 depending on the specific vehicle configuration and original equipment manufacturer specifications. Available data for the lighting components spans a historical range from 1950 through 1993 to assist with identification of the correct bulb.

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
1990-1993	194
1981-1983	168
1974-1975	168
1971-1973	97
1957-1970	67
1950-1955	63

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.	194
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.	168
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 13W.	97
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W.	67
ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 0.63W.	63

Other Locations

Additional Notes

The Chrysler Imperial uses four distinct bulb types across its license plate lighting specifications: the 194, 168, 97, 67, and 63.
The 67 bulb is the most frequently specified type, covering the Chrysler Imperial from 1957 through 1970, the longest continuous span in these specifications.
The 194 and 168 are both T10 miniature wedge bulbs operating at 12V, though they differ in wattage. The 194 draws 3.78W while the 168 draws 4.9W, making them electrically distinct despite sharing the same physical base type.
Because the 194 and 168 share the T10 wedge form factor, physical fitment may be possible between the two, but their wattage difference means they are not direct electrical equivalents and should not be treated as interchangeable.
The 97 and 67 bulbs both use the BA15s single-contact bayonet base and are described as variants of the 1156. The 97 draws 13W while the 67 draws 8W, so substituting one for the other in the 1971-1975 era vehicles would alter the electrical load on the license plate circuit.
The 63 bulb, specified for the Imperial from 1950 through 1955, uses a BA9s base, which is physically incompatible with the BA15s base found on the 97 and 67 bulbs used in later model years.
All five bulb types in these specifications conform to ANSI standards recognized in both the United States and Canada.
The transition from the 63 bulb to the 67 bulb between the 1955 and 1957 model years represents a base type change, from BA9s to BA15s, as well as a significant increase in wattage from 0.63W to 8W.