Kia Optima 2003 Bulb Size

Bulb size chart

Headlight Bulb High Beam - 9011
Back Up Reverse Light Bulb - 921
Brake Light Bulb - 2357R
Center High Mount Stop Light Bulb - 921
License Plate Light Bulb - 168, 917
Parking Light Bulb - 2357
Side Marker Light Bulb Front - 168NA
Side Marker Light Bulb Rear - 168NA
Tail Light Bulb - 2357R
Turn Signal Light Bulb Front - 2357
Turn Signal Light Bulb Rear - 1156A
Dome Light Bulb - 6461
Interior Door Light Bulb - 168, 917
Map Light Bulb(Compare to original - Option 1) - 64111
Map Light Bulb(Compare to original - Option 2) - 64113
Trunk or Cargo Area Light - 6418

9011 Bulbs

Used for: Headlight Bulb High Beam

Philips Automotive Lighting 9011 HIR Standard Halogen Bulb

Philips Automotive Lighting 9011 HIR Standard Halogen Bulb

Introducing the Philips Standard range bulbs, designed to deliver the same level of quality found in the lights supplied to automakers worldwide. With the Philips Standard range, you can trust that you're getting reliable and durable bulbs that offer excellent value for a variety of applications. When it comes to safety, it's crucial not to compromise. To ensure a symmetrical light beam on the road, it is recommended to replace bulbs in pairs, as they tend to dim over time. Additionally, when installing a new bulb, it's important to handle it with care. Avoid touching the glass directly and instead use gloves or a paper towel for a safer installation process. Prioritizing safety and following proper handling procedures will help you maintain optimal lighting performance for a safer driving experience.

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921 Bulbs

Used for: Back Up Reverse Light Bulb, Center High Mount Stop Light Bulb

View all 14 replacement options for size 921 →

2357R Bulbs

Used for: Brake Light Bulb, Tail Light Bulb

VEHICODE Double Contact 2357R Light Bulbs

VEHICODE Double Contact 2357R Light Bulbs

The 2357 LED bulb stands out with its impressive features. It is equipped with 12 SMD-3030 chips and features a BAY15D double contact and dual function base. This 7-Watt bulb delivers a super bright red light output of 1800 lumens. Its top-mounted projector lens allows for enhanced penetration and concentration of light. To ensure durability, the 2357 LED bulb is equipped with a built-in IC circuit that offers a wide and low voltage range of 12-24V. This feature protects the bulb from voltage fluctuations and spikes, significantly extending its lifespan. However, it's important to note that due to its larger size compared to the original bulb, adequate space should be available in your car for installation.

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168 Bulbs

Used for: License Plate Light Bulb, Interior Door Light Bulb

View all 17 replacement options for size 168 →

917 Bulbs

Used for: License Plate Light Bulb, Interior Door Light Bulb

View all 12 replacement options for size 917 →

2357 Bulbs

Used for: Parking Light Bulb, Turn Signal Light Bulb Front

MAXGTRS BAY15D 2357 LED Ultra-Bright

MAXGTRS BAY15D 2357 LED Ultra-Bright

Dual Color CANBUS error-free switchback LEDs: Turn 6000K xenon white for parking lights or daytime running lights (DRL) mode and then light up amber-off-amber-off for turn signal lights mode instead of amber all the time to make it more noticeable. CANBUS error-free design, built-in resistors, and plug-n-play for most vehicles, yet some trucks or newest vehicles, maybe require extra resistors. Cross Reference Number: 1016, 1034, 1157, 1157A, 2057, 2357, 2357A, 2397, 3496, 7528, 1034A, 1034NA, 1035, 1157NA, 198, 198NA, 2057NA, 2357NA, 7528L, 7225, 94, 1076, BAY15D and 1154,etc

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168NA Bulbs

Used for: Side Marker Light Bulb Front, Side Marker Light Bulb Rear

View all 11 replacement options for size 168NA →

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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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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64111 Bulbs

Used for: Map Light Bulb(Compare to original - Option 1)

NJYTouch 64111 LED Light Bulbs - 10 pics

NJYTouch 64111 LED Light Bulbs - 10 pics

This isn't your grandmother's dusty old lamp bulb. Oh no. It's a modern marvel of illumination, one that promises to light up your world in ways you've never imagined. Just like that moment when you first hear a V12 engine roaring to life. And while most bulbs flicker, fade, and fumble, the NJYTouch stands its ground. It's the perfect blend of engineering and elegance, turning any dreary room into an amphitheater of light. It's as if someone took the brilliance of the midday sun and crammed it into a sleek, modern bulb design. Installation? Well, think of it as effortlessly cruising down the Autobahn. Slide it in, give it a twist, and voila! No faffing about. No calls to your electrician mate begging for assistance.

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Ruiandsion BA9S LED Bulbs - 64111

Ruiandsion BA9S LED Bulbs - 64111

In the grand theater of LED bulbs, the Ruiandsion 64111 isn't just another performer; it's the lead actor demanding an encore. This little marvel, adorned in a warm white hue, operates on a sprightly DC 6V, delivering a punchy 100lm while sipping a mere 0.36W. What's the magic? Four brilliantly engineered 3030 chips. And if installation woes keep you up at night, sleep easy. This is plug-and-play perfection, adaptable to both negative and positive earth, with a standard BA9S base that slides in as smoothly as a hot knife through butter.

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64113 Bulbs

Used for: Map Light Bulb(Compare to original - Option 2)

BRISHINE BA9S White LED 64113 Bulbs

BRISHINE BA9S White LED 64113 Bulbs

The BRISHINE BA9S White LED 64113 Bulbs offer a range of exceptional features that will elevate your lighting experience: Full Aluminum Body Design: Equipped with a full aluminum body, these bulbs are designed for efficient heat dissipation. This ensures quicker cooling, promoting longevity and optimal performance. Increased Light Output: Experience twice the amount of light output compared to traditional halogen bulbs, providing enhanced visibility and improved illumination. Remarkably, these LED bulbs achieve this while consuming only 1/3 of the power, contributing to energy efficiency. Extended Lifespan: Enjoy the benefits of long-lasting durability with a lifespan of 50,000+ hours. Unlike incandescent bulbs that typically last only 2000 hours, these LED bulbs are engineered to endure, reducing the need for frequent replacements and offering reliable performance over an extended period. Plug and Play Installation: With a size nearly identical to halogen bulbs, installation is a breeze. Simply remove the lamp covers and directly replace the stock lamps with these LED lamps. No additional modifications or wiring are required, making it a hassle-free process.

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6418 Bulbs

Used for: Trunk or Cargo Area Light

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 →

This page helps you find the right bulb sizes for the 2003 Kia Optima by lighting position, so you can match the correct bulb before you buy. Whether you are replacing a burned-out tail lamp, a license plate light, or an interior bulb, checking the location first makes fitment much easier.

The 2003 Kia Optima uses different bulb types depending on where the light is installed, and some positions may vary by trim, market, or body style. Use the bulb chart on this page to verify each socket one by one and avoid guessing based on the wrong lamp location.

For best results, compare the bulb in your car with the chart before ordering, especially if your Optima has an unusual trim, lighting package, or a previous repair. Halogen and LED replacements may look similar in the socket but can differ in brightness, polarity, heat output, and beam pattern, so make sure the replacement is appropriate for the housing. If you are considering an aftermarket LED conversion, check for clearance and compatibility with the original reflector or lens design. When possible, remove the installed bulb and confirm the number printed on the base before purchase, since that is the safest way to verify fitment on a 2003 Kia Optima.

FAQ

What bulb size does the 2003 Kia Optima use for the high beam headlight?

The available bulb chart lists the high beam headlight bulb as 9011, with an optional raw list note. Always confirm the installed bulb and housing style before buying.

What is the tail light bulb size on a 2003 Kia Optima?

The tail light bulb is listed as 2357R for this model year. Some trim or market differences can affect lighting equipment, so verify the exact rear lamp on your car.

What bulb fits the brake light on the 2003 Kia Optima?

The brake light bulb is listed as 2357R. If you are replacing both sides, check both sockets because one bulb may have failed while the other is still working.

Which bulb is used for the rear turn signal?

The rear turn signal light bulb is listed as 1156A. This is a separate fitment from the front turn signal and should be matched to the rear lamp position only.

What bulb size is used for the front turn signal and parking light?

Both the front turn signal light and the parking light are listed as 2357 on this page. Confirm the lamp position before ordering because the same bulb type can be used in more than one front lighting function.

What bulb does the center high mount stop light use?

The center high mount stop light bulb is listed as 921. If your third brake light is dim or out, replacing the bulb and checking the socket condition are both good ideas.

What is the reverse light bulb size?

The back up reverse light bulb is listed as 921. If the reverse lights are out on both sides, check the fuse and switch as well as the bulb.

What bulb fits the license plate light?

The license plate light bulb is listed as 168 or 917. Either size may appear in the chart, so match the installed bulb or the original marking before purchasing.

What bulb is used for the dome light?

The dome light bulb is listed as 6461. Interior bulb styles can vary, so it is smart to compare the old bulb to the chart before replacing it.

What are the map light bulb options for the 2003 Kia Optima?

The chart shows two possible map light references: 64111 and 64113, both noted as compare-to-original options. That means the correct choice should be confirmed against the bulb already installed.

Are the side marker bulbs the same front and rear?

Yes, the chart lists both the front side marker light bulb and rear side marker light bulb as 168NA. Even when the bulb number matches, always verify the socket and lens location.

Why does the bulb size information vary for the 2003 Kia Optima?

Trim level, lighting package, market, and body style can all affect the exact bulb used. That is why this page organizes the bulbs by lighting position instead of using one universal size for every lamp.

Kia Optima Bulb Size by Year