Kia Forte Map Light Bulb Size

The Kia Forte map light utilizes bulb sizes 904 and DE3175 depending on the specific version of the vehicle. Information provided covers a range from 2010 through 2024.

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
2023-2024	904
2021	904
2010-2018	DE3175

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W.	904
ANSI standard (US & Canada). Festoon bulb, 31mm length, end-cap contacts. 12V.	DE3175

Other Locations

Additional Notes

The Kia Forte map light uses two distinct bulb types across its model years: the 904 and the DE3175, both of which conform to ANSI standards recognized in the United States and Canada.
The 904 is a T10 miniature wedge bulb rated at 12 volts and 8 watts. Its wedge-style base means it is held in place by the socket itself rather than by pins or end caps.
The DE3175 is a festoon-type bulb with a 31mm length and end-cap contacts. It seats by pressing lengthwise between two spring clips inside the housing rather than inserting into a wedge socket.
Because the 904 and DE3175 use physically incompatible mounting styles, one type cannot be substituted for the other without a corresponding socket change.
The Kia Forte (2021-2024) uses the 904 bulb for the map light position.
Model years 2010-2018 use the DE3175 festoon bulb in the same map light position.
The DE3175 specification does not include a listed wattage rating, whereas the 904 is explicitly rated at 8 watts.
Both bulb types operate on a 12-volt circuit, consistent with standard automotive electrical systems.