Hyundai Kona Courtesy Bulb Size

The Hyundai Kona courtesy light requires a bulb size of 904 for the interior lighting system. Data for the specific bulb requirements covers the range from 2021 to 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 Type	Shop
2023	904	Check Price
2021	904	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W.	904	Check Price

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Additional Notes

The 904 bulb is the courtesy bulb size for the Hyundai Kona across the 2021 and 2023 model years.
The 904 is classified under the ANSI standard, applicable in the US and Canada, and belongs to the T10 miniature wedge form factor.
The T10 designation refers to a wedge-base bulb with a tubular envelope roughly 10/8 of an inch wide, designed to press directly into a socket without a separate base pin.
The 904 bulb operates at 12 volts and draws 8 watts, placing it in the low-wattage range typical of interior courtesy lighting applications.
The wedge base design of the 904 means fitment depends on socket compatibility with the T10 form factor, and substitution with bulbs of a different base type would not be physically interchangeable.