Used for: Headlight Bulb High Beam
Used for: Headlight Bulb Low Beam(with halogen headlights)
Used for: Headlight Bulb Low Beam(with HID headlights)
Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb(with halogen headlights), Tail Light Bulb(with halogen headlights)
Used for: License Plate Light Bulb
Used for: License Plate Light Bulb
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front, Side Marker Light Bulb Rear
Used for: Turn Signal Light Bulb Rear
Used for: Dome Light Bulb(Compare to original - Option 1)
Used for: Dome Light Bulb(Compare to original - Option 2)
Used for: Map Light Bulb
Used for: Map Light Bulb
Used for: Trunk or Cargo Area Light
If you need bulb sizes for a 2013 Kia Optima, this page is built to help you match the right bulb to the right lighting position. Instead of guessing by appearance, you can verify the bulb size by location, such as headlight, brake light, map light, or license plate light.
The 2013 Kia Optima uses different bulb types depending on trim, lighting package, and body style. That means the low beam, brake light, and interior lamps may not all be the same across every car, so checking the bulb chart by position is the safest way to buy the correct replacement.
Fitment can vary on the 2013 Optima, especially between halogen and HID-equipped models, and some markets may use slightly different lighting packages. Before ordering, compare the bulb currently installed in your car with the listing for that exact position. This is especially important for aftermarket LED conversions, since a bulb may physically fit but still need the correct base, polarity, or resistor setup to work properly. If you are replacing a bulb on a used vehicle or a car with prior repairs, confirm the installed bulb number first rather than relying only on trim level or online photos.
It depends on the headlight package. Models with HID headlights use D1S low beam bulbs, while models with halogen headlights use H11B low beam bulbs.
The high beam headlight bulb is H1.
For HID-equipped models, the brake light bulb is LED.
For HID-equipped models, the tail light bulb is LED.
The back up reverse light bulb is 921.
The license plate light uses 168 or 917 bulbs.
The map light bulb is 194 or 7441.
The front side marker light bulb is 168NA.
The rear side marker light bulb is 168NA.
The trunk or cargo area light uses 6418.
Both the front turn signal light and the parking light use 2357A bulbs.
The rear turn signal light bulb is 1156.
There are two listed dome light options: 6461 for one configuration and 64113 for the other. Check the bulb already installed in your vehicle before buying.
For halogen headlight models, the brake light bulb is 1157R and the tail light bulb is also 1157R.
Use the bulb position on this page, confirm whether your car has halogen or HID headlights, and check the installed bulb before purchase. This is the best way to avoid ordering the wrong part.
