Alfa Romeo Giulia Interior Door Bulb Size

The Alfa Romeo Giulia interior door light requires a 194 bulb size for proper installation and function within the vehicle. Data for 194 bulb sizes covers the range from 2021 through 2023.

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
2023	194
2021-2022	194 (With HID Headlights)

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.	194

Other Locations

Additional Notes

The 194 bulb is the interior door bulb size across the Alfa Romeo Giulia for the 2021-2023 model years.
The 194 bulb follows the ANSI standard used in the US and Canada, operating at 12 volts with a power draw of 3.78 watts.
The 194 belongs to the T10 miniature wedge bulb family, a form factor that uses a wedge-shaped base rather than a pin or bayonet connection to seat into its socket.
The 2021-2022 model years carry a fitment condition specifying HID headlights, meaning the 194 bulb size for the interior door position on those vehicles applies specifically to that headlight configuration.
The 2023 model year lists the 194 without a headlight configuration condition, indicating the fitment applies regardless of headlight type for that year.