Used for: Headlight Bulb High Beam(EX Luxury)
Used for: Headlight Bulb High Beam(Hybrid EX), Headlight Bulb Low Beam(Hybrid EX, with halogen headlights)
Used for: Headlight Bulb Low Beam(EX Luxury)
Used for: Headlight Bulb Low Beam(EX)
Used for: Headlight Bulb Low Beam(Limited)
Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb(EX Luxury), Tail Light Bulb(EX Luxury)
Used for: License Plate Light Bulb
Used for: License Plate Light Bulb
Used for: Parking Light Bulb(EX Luxury), Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front(Compare to original - Option 1), Side Marker Light Bulb Rear(Compare to original - Option 1)
Used for: Turn Signal Light Bulb Rear(Compare to original - Option 1)
Used for: Turn Signal Light Bulb Rear(Compare to original - Option 2)
Used for: Dome Light Bulb
Used for: Glove Box Light Bulb, Trunk or Cargo Area Light, Vanity Mirror Light Bulb
Used for: Map Light Bulb
Used for: Map Light Bulb
Looking up the right bulb for a 2015 Kia Optima can be confusing because the correct size depends on the lighting position and, in some cases, the trim level. This page is organized to help you verify bulb sizes by location, so you can match the headlight, tail light, brake light, turn signal, and interior bulb before you buy.
The 2015 Kia Optima uses a mix of LED, halogen, and HID-style bulbs depending on the model and package. That means the same year can have different fitments for EX, EX Luxury, Limited, Hybrid EX, and other configurations. Use the bulb chart on this page to narrow down the exact bulb type for your Optima by lighting position.
For the best fitment results, always compare your trim and lighting package with the bulb listing before ordering. Some 2015 Optima models use halogen bulbs such as H11, H1, H7, 921, 168, 194, 6418, 6461, 1156, or 2357A/2357R, while others use factory LED lighting or HID low beams like D1S. If you are converting from halogen to aftermarket LED, make sure the bulb shape, connector, and physical depth will fit the housing, since not every LED replacement is a direct plug-in upgrade. It is also smart to remove the installed bulb and confirm the number printed on it before purchase, especially for market-specific or package-specific variations.
It depends on trim. The 2015 Kia Optima can use H11 on EX models, D1S on Limited models, H7 on Hybrid EX models with halogen headlights, and H11B on EX Luxury models.
High beam fitment varies by trim. The chart lists H1 for EX Luxury and H7 for Hybrid EX. Other trims may use different lighting setups, so confirm the exact package before ordering.
The front fog light bulb is listed as LED on this page. Because it is shown as LED rather than a standard replaceable halogen number, check the exact lamp assembly before buying a replacement.
The back up reverse light bulb is 921.
The license plate light bulb can be 168 or 917.
The map light bulb is listed as 194 or 7441.
The dome light bulb is 6461.
Those interior positions are listed as 6418 for the vanity mirror light, glove box light, and trunk or cargo area light.
The front turn signal light bulb is 2357A.
The rear turn signal bulb is listed as 1156 for one option and 1156A for another option, depending on the trim or lighting package.
Standard listings on this page show LED for the brake light and tail light, while EX Luxury models use 2357R for both the brake light and tail light.
No. The page shows two possible side marker fitments: one option uses 168NA for the front and rear side markers, and another option uses LED for the front and rear side markers.
No. Trim and lighting package differences can change the bulb type. For example, EX, EX Luxury, Limited, Hybrid EX, and LED-equipped models may use different bulbs for headlights, signals, and rear lighting.
Yes. Checking the installed bulb is one of the safest ways to confirm fitment, especially if your Optima has been modified, uses an optional lighting package, or has had a previous bulb replacement.
