Kia Carnival Back Up Light Bulb Size

The Kia Carnival back up light requires a 921 bulb size for the rear illumination system. Data for the specified component covers the range from 2022 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
2022-2024	921

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W.	921

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Additional Notes

The 921 bulb is the specified back up light bulb size for the Kia Carnival across the 2022-2024 model years.
The 921 bulb follows the ANSI standard, which is the recognized classification system for automotive bulbs in the United States and Canada.
This bulb uses a wedge-style base, designated T15, which refers to a tubular glass envelope approximately 15/8 inches wide that seats by friction rather than by a bayonet or screw mechanism.
The 921 operates at 12 volts and 16 watts, which are standard electrical ratings for a reverse light application in a 12-volt automotive electrical system.
The wedge base format of the T15 means the bulb is not interchangeable with bayonet-base or screw-base bulb types, even when wattage or voltage ratings are otherwise similar.