2005 Kia Optima bulb fitment
No low-beam or high-beam bulb size is listed in the supplied fitment data, so confirm the original headlight bulb before ordering. The data also does not specify projector, non-projector, or other headlight configurations.
For exterior lighting, the front turn signal and parking light use 2357A bulbs. The rear turn signal uses 1156A, while the brake and tail lights use 2357R. Reverse lights and the center stop light use 921 bulbs. Front and rear side markers are listed as 168NA.
License plate lighting is listed with either 168 or 917 bulbs. Interior fitment includes 6461 for the dome light and 168 or 917 for other interior lighting. Map light fitment requires comparing the original bulb: the supplied options are 64111 or 64113. The trunk light uses 6418. Match the replacement to the bulb removed from the vehicle, especially where multiple options are listed.