INFINITI G20 License Plate Bulb Size

The INFINITI G20 uses a license plate light component with a specific 168 bulb size for illumination. Data for the specified vehicle covers the period from 1991 to 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

Years	Bulb Size
1999-2002	168
1991-1996	168

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.	168

Other Locations

Additional Notes

The 168 bulb is the sole license plate bulb size specified for the INFINITI G20 across all listed model years.
The 168 bulb is an ANSI-standardized type, meaning its electrical and physical characteristics conform to a defined North American specification used across many vehicle manufacturers.
It is a T10 miniature wedge bulb, a form factor that uses a wedge-shaped base rather than a metal contact pin, allowing it to be inserted and held in place by the socket walls alone.
The bulb operates at 12 volts, consistent with the standard electrical system voltage found in passenger vehicles.
Its rated wattage is 4.9W, placing it in the low-power range typical of license plate and courtesy lighting applications.
The G20 used the 168 bulb across two distinct production periods: 1991-1996 and 1999-2002, with both periods sharing the same bulb specification.
Because the 168 and the closely related 194 bulb share the T10 wedge base, they are sometimes treated as interchangeable in aftermarket contexts, though the 194 is rated at 3.8W rather than 4.9W, making them electrically distinct.
The T10 wedge base of the 168 bulb is also a common form factor for LED replacement units, which retain physical compatibility with the original socket while differing in power draw and light output.