Kia Optima 2018 Bulb Size

Bulb size chart

Headlight Bulb High Beam and Low Beam - LED
Headlight Bulb High Beam(with LED headlights) - LED
Headlight Bulb High Beam(with Single Projector-type headlights) - 9005
Headlight Bulb Low Beam(with halogen headlights) - 9005
Headlight Bulb Low Beam(with LED headlights) - LED
Back Up Reverse Light Bulb - 921
Brake Light Bulb(with LED headlights) - LED
Brake Light Bulb(with single projector-type headlights) - 7528
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb - LED
License Plate Light Bulb - 168, 917
Parking Light Bulb(with LED headlights) - LED
Parking Light Bulb(with single projector-type headlights) - 2357A
Side Marker Light Bulb Front - 2825, 98
Side Marker Light Bulb Rear(with LED headlights) - LED
Side Marker Light Bulb Rear(with single projector-type headlights) - 2825, 98
Tail Light Bulb Inner(with halogen headlights) - 2825, 98
Tail Light Bulb Inner(with LED headlights) - LED
Tail Light Bulb Outer - 7528
Turn Signal Light Bulb Front - 2357A
Turn Signal Light Bulb Rear - 1156A
Dome Light Bulb - 6461
Glove Box Light Bulb - 6418
Map Light Bulb - 194, 7441
Trunk or Cargo Area Light - 6418
Vanity Mirror Light Bulb - 6418

9005 Bulbs

Used for: Headlight Bulb High Beam(with Single Projector-type headlights), Headlight Bulb Low Beam(with halogen headlights)

View all 30 replacement options for size 9005 →

921 Bulbs

Used for: Back Up Reverse Light Bulb

View all 14 replacement options for size 921 →

7528 Bulbs

Used for: Brake Light Bulb(with single projector-type headlights), Tail Light Bulb Outer

KATUR 7528 Super Bright LED Light Bulbs

KATUR 7528 Super Bright LED Light Bulbs

The KATUR 7528 Super Bright LED Light Bulbs are a great choice for anyone looking to upgrade their vehicle's lighting. With a 360° lighting angle and a perfect beam pattern, these bulbs offer bright and safe driving lighting with no dark spots or glare for other drivers. The operating voltage is 12V-24V and the wattage is 24W, making these bulbs a more efficient choice compared to halogen or incandescent bulbs. These LED bulbs have a built-in stable constant current IC driver that ensures a longer lifespan and adjusts the current automatically. The built-in Canbus function makes them error-free and eliminates hyper flash, making them compatible with most cars. The non-polarity design makes installation a breeze, with a simple plug-and-play setup. These standard bulbs are brighter and more energy-efficient, offering enough light to improve your driving experience.

$22.99

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View all 11 replacement options for size 7528 →

168 Bulbs

Used for: License Plate Light Bulb

View all 17 replacement options for size 168 →

917 Bulbs

Used for: License Plate Light Bulb

View all 12 replacement options for size 917 →

2357A Bulbs

Used for: Parking Light Bulb(with single projector-type headlights), Turn Signal Light Bulb Front

KATUR Super Bright 2357A LED Bulbs With 48-EX Chipsets with Projector

KATUR Super Bright 2357A LED Bulbs With 48-EX Chipsets wi...

Better Visibility 4014 LED chips Super bright 4014 48Chips to provide the LED with the proper beam patterns.No dark spots, no short beams, and no scattered light.360 Degree lighting, brings an astounding emitted light effect. Great performance 1157 BAY15D 2057 2357 7528 LED Bulbs are waterproof and can work in any bad weather. Provide a good view when you are driving. Perfect performance in conditions of poor visibility due to rain, fog, dust, or snow. Excellent heat dissipation design Adopt a large aluminum heat sink to avoid trouble by heat generation, achieving extremely excellent heat resistance and heat dissipation that can withstand high temperatures. It also increases the lighting efficiency and extends the service time to 50,000+hrs. Cross Reference number Standard dual-contact 1157/BAY15D Base can replace Stock Bulbs or Incandescents such as 1016 1034 1157 1157A 1178A 1196 2057 2057A 2357 2357A 2357NA 2397 3496 7528 94. Easy installation  Well matched with the original Incandescence lights. Easy plug-and-play installation - just plug it into the socket.

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View all 10 replacement options for size 2357A →

2825 Bulbs

Used for: Side Marker Light Bulb Front, Side Marker Light Bulb Rear(with single projector-type headlights), Tail Light Bulb Inner(with halogen headlights)

View all 12 replacement options for size 2825 →

98 Bulbs

Used for: Side Marker Light Bulb Front, Side Marker Light Bulb Rear(with single projector-type headlights), Tail Light Bulb Inner(with halogen headlights)

View all 10 replacement options for size 98 →

1156A Bulbs

Used for: Turn Signal Light Bulb Rear

Philips 1156A LongerLife Miniature Bulb

Philips 1156A LongerLife Miniature Bulb

Philips LongerLife replacement mini bulbs are the ideal choice for drivers seeking excellent value. These miniature bulbs outperform standard incandescent ones, thanks to their innovative filament design and gas fill mixture. They boast an impressive lifespan that is twice as long as that of standard incandescent bulbs. In addition to their extended longevity, these bulbs offer the best value for your money. They are crafted with original equipment quality, ensuring reliable performance on the road. For optimal visibility, it is recommended to replace them in pairs. Over time, bulbs tend to dim, so replacing them together guarantees a symmetrical light beam from both bulbs, enhancing safety and visibility.

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Auxito 1156 Amber Light Bulbs

Auxito 1156 Amber Light Bulbs

Upgrade your vehicle's turn signal lights with AUXITO ProTurn 1156 LED Bulbs, featuring 600% more brightness compared to traditional bulbs. Amber yellow LEDs create a great view of visibility, safety, and durability while making your signals highly noticeable and your driving much safer. Equipped with the latest 1860 LED chipset, each light provides 4000 lumens for bright and sharp turn signals, far and wide, making them easily viewed in the toughest conditions. The 360° illumination design eliminates dark spots and shadows for a consistent, attention-to-detail lighting effect. With a design nearly identical in size to halogen bulbs, AUXITO ProTurn 1156 bulbs are truly plug-and-play. The installation can be pretty straightforward. These bulbs are Canbus error-free and work fine with 99% of vehicles without flickers or errors. Additionally, load resistors are available for extra support in sensitive vehicle systems.

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View all 13 replacement options for size 1156A →

6461 Bulbs

Used for: Dome Light Bulb

WLJH 6461 LED Interior Light Bulbs

WLJH 6461 LED Interior Light Bulbs

Introducing the WLJH 6461 LED Interior Light Bulbs, the newest and highest quality upgrade for enhancing your vehicle's lighting experience. These bulbs are meticulously designed with the latest 2835 chips, ensuring exceptional performance and a clean, pure light output that will exceed your expectations. What sets these LED bulbs apart is the innovative use of flexible glue SMD cover, which is four times more expensive than regular glue. This unique feature helps to dissipate heat more effectively, ensuring that the LEDs stay cool and operate at their optimal brightness. Unlike other bulbs on the market, WLJH has spared no expense in using this flexible glue for the cover, demonstrating their commitment to delivering the highest quality and performance. By investing in superior materials and cutting-edge technology, WLJH has created an LED bulb that stands out from the competition. The result is a lighting solution that not only enhances visibility but also adds a touch of sophistication to your vehicle's interior. Upgrade your car's interior lighting to experience a level of brightness and clarity that you may not have seen before. WLJH's LED bulbs are engineered to deliver the cleanest and purest light output possible. The advanced 2835 chips provide exceptional illumination, ensuring that every corner of your vehicle's interior is brilliantly lit. Once you experience the difference, you won't want to go back to ordinary bulbs. Give it a try and compare for yourself–you'll love the enhanced brightness and the superior quality of WLJH's LED bulbs.

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View all 10 replacement options for size 6461 →

6418 Bulbs

Used for: Glove Box Light Bulb, Trunk or Cargo Area Light, Vanity Mirror Light Bulb

Philips 6418 Ultinon LED Bulb

Philips 6418 Ultinon LED Bulb

If you are looking to upgrade your style without buying a new car, replacing your interior and exterior lighting with Philips Ultinon LEDs is a smart way to spend your money. Philips Ultinon LED lights are a direct replacement for conventional bulbs. They’re easy to install and available for a wide range of interior and exterior applications. Whether it’s for backup, stopping, or signaling, Philips Ultinon exterior lighting is designed to provide excellent light distribution. The light is projected where you need it so not only can you see more inside your car, you can see more on the road. Make a statement and get noticed with Philips LEDs.

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View all 9 replacement options for size 6418 →

194 Bulbs

Used for: Map Light Bulb

View all 21 replacement options for size 194 →

7441 Bulbs

Used for: Map Light Bulb

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

The KATUR T20 White/Amber Switchback LED Light Bulbs (7441) are a great upgrade for your vehicle's lighting. These energy-efficient bulbs have a 12V operating voltage and are designed to last 50,000 hours, 50 times longer than traditional incandescent bulbs. The single-contact 7440 LED light bulb replaces most auto car incandescents and is well-matched with the original incandescent lights. The easy plug-and-play installation means you just have to plug it into the socket, and flip the bulb horizontally if it does not light up to match the + and - polarity. With 42 2835 SMD LED lights, this bulb provides bright and versatile white/amber switchback lighting. It is CE/RoHS compliant, ensuring high standards and quality. Choose the KATUR T20 White/Amber Switchback LED Light Bulbs for a longer-lasting and more versatile lighting solution.

$17.99

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View all 13 replacement options for size 7441 →

If you are looking up bulb sizes for a 2018 Kia Optima, this page is designed to help you match the correct bulb by lighting position. The Optima could be equipped with different headlight and rear lamp setups, so the bulb chart is organized by location to make replacement easier and reduce guesswork.

Use this 2018 Kia Optima bulb guide to verify the right fit for headlights, turn signals, brake lights, reverse lights, interior lights, and license plate lights. Because trim level, lighting package, and market can change the exact bulb type, checking the position-specific listing is the safest way to buy the correct replacement.

For best results, compare the bulb in your vehicle before ordering, especially if your Optima has halogen headlights, single projector-type headlights, or factory LED lighting. Some positions use different bulb types depending on trim or package, and aftermarket LED conversions may change the required fitment or create compatibility issues with the housing or electrical system. If you are replacing a bulb that has already been upgraded, confirm what is installed now rather than relying only on the original equipment listing. When in doubt, remove the old bulb and match the base, connector, and size before purchase.

FAQ

What bulb size does the 2018 Kia Optima use for the low beam headlight?

It depends on the headlight setup. The 2018 Kia Optima uses LED low beam bulbs on models with LED headlights, while halogen-headlight versions use 9005 for the low beam.

What bulb size is used for the high beam headlight on the 2018 Optima?

The high beam varies by headlight type. Models with LED headlights use LED high beam bulbs, and single projector-type headlight models use 9005 for the high beam.

Does the 2018 Kia Optima have LED daytime running lights?

Yes, the bulb chart lists the daytime running light bulb as LED for the 2018 Kia Optima.

What is the reverse light bulb size on a 2018 Kia Optima?

The back up reverse light bulb is 921.

What bulb does the 2018 Optima use for the license plate light?

The license plate light bulb is 168 or 917.

What are the interior map light bulb sizes for the 2018 Kia Optima?

The map light bulb sizes are 194 and 7441.

What bulb size is used for the front side marker light?

The front side marker light bulb is 2825 or 98.

What bulb size is used for the rear side marker light?

For LED headlight models, the rear side marker light is LED. On single projector-type headlight models, the rear side marker light bulb is 2825 or 98.

What are the turn signal bulb sizes on the 2018 Optima?

The front turn signal bulb is 2357A, and the rear turn signal bulb is 1156A.

What bulb is used for the brake light on the 2018 Kia Optima?

Brake light fitment depends on the lighting package. Models with LED headlights use LED brake light bulbs, while single projector-type headlight models use 7528 for the brake light.

What is the tail light bulb size for the 2018 Kia Optima?

Tail light fitment varies by setup. The outer tail light bulb is 7528, while the inner tail light bulb is LED on LED-headlight models and 2825 or 98 on halogen-headlight models.

Which interior bulbs are listed for the 2018 Kia Optima?

The chart includes dome light bulb 6461, vanity mirror light bulb 6418, glove box light bulb 6418, and trunk or cargo area light 6418.

Why should I check my trim before buying bulbs for a 2018 Kia Optima?

Trim and lighting package can change the bulb type, especially for headlights, parking lights, brake lights, and rear lamps. Checking your trim helps avoid ordering the wrong bulb.

Can I switch my 2018 Optima from halogen bulbs to LED bulbs?

Aftermarket LED conversions are possible in some cases, but fitment, beam pattern, and electrical compatibility can vary. It is important to confirm the housing and connector before converting.

Kia Optima Bulb Size by Year