The Kia Forte dome light utilizes a DE3175 bulb size for illumination within the interior cabin area. Provided data covers a span of time starting from 2010 through 2024.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The DE3175 is a festoon-type bulb measuring 31mm in length with end-cap contacts, operating at 12V. This form factor seats into spring-loaded holders at each end of the bulb body, which is the standard mounting method for festoon bulbs in dome light housings.
The Kia Forte uses the DE3175 for its dome light across the 2010-2024 model years, with 2019, 2020, and 2022 absent from the listed specifications.
The 904 is a miniature wedge bulb in the T10 form factor, rated at 12V and 8W. Wedge bulbs use a pinched glass base as the contact point rather than a separate metal cap, making them physically incompatible with festoon-style holders.
The 2021 and 2023 Forte front dome light position takes the 904 bulb rather than the DE3175, meaning the front and general dome light positions on those model years require two distinct bulb types.
Both the DE3175 and 904 conform to ANSI standards applicable in the United States and Canada, indicating standardized electrical and physical tolerances across compliant manufacturers.
The DE3175 and 904 are not interchangeable. The festoon end-cap contact design of the DE3175 and the wedge base of the 904 are mechanically incompatible with each other's respective housings.