Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam and Low Beam, Daytime Running Light Bulb
Used for: Back Up Reverse Light Bulb, Center High Mount Stop Light Bulb
Used for: Brake Light Bulb, Parking Light Bulb, Tail Light Bulb
Used for: License Plate Light Bulb
Used for: Side Marker Light Bulb Front
Used for: Turn Signal Light Bulb Front
Used for: Turn Signal Light Bulb Rear
This page covers bulb sizes for the 2021 Kia K5 and is organized by lighting position so you can quickly verify the correct replacement before you buy. Whether you are changing a headlight, tail light, or a small exterior marker bulb, matching the bulb to the exact location helps avoid fitment mistakes.
The 2021 Kia K5 uses a mix of common halogen bulb types across the exterior lighting system. Because the correct bulb can depend on where it is installed, this guide is meant to help you confirm the bulb size for each position on the car instead of guessing from the model name alone.
Fitment can vary by trim, lighting package, market, and body style, so it is smart to compare the bulb in your vehicle with the chart before ordering. Some 2021 Kia K5 models may use halogen bulbs in places where other versions use LED assemblies, and aftermarket conversions can change what fits or what works properly. If you are replacing a bulb that has already been modified, or if the lighting assembly has been swapped, check the installed bulb and connector style first so you do not buy the wrong part.
The available bulb chart lists H13 for both the high beam and low beam headlight functions on the 2021 Kia K5.
The front fog light bulb is listed as H11 for the 2021 Kia K5.
The front turn signal light bulb is listed as 3157A.
The rear turn signal light bulb is listed as 3156A.
The brake light bulb is listed as 3157 on the 2021 Kia K5.
Both the tail light bulb and the parking light bulb are listed as 3157.
The front side marker light bulb is listed as 194.
The center high mount stop light bulb is listed as 921.
The back up reverse light bulb is listed as 921.
The license plate light bulb is listed as 12961.
Not always. Trim level, lighting package, market, and body style can affect the bulb setup, so it is best to confirm the exact position on your specific vehicle.
Because the same car can use different bulb types in different locations, and some positions may vary by equipment. Listing bulbs by position makes it easier to verify the correct fit before purchase.
Yes. Checking the installed bulb is one of the best ways to confirm fitment, especially if the vehicle has been modified or if you are replacing a bulb after an aftermarket conversion.
