Ford Focus 2003 Bulb Size

Bulb size chart

Fog Light Bulb Front - 899
Headlight Bulb High Beam - H7
Headlight Bulb High Beam and Low Beam - 9003
Headlight Bulb Low Beam - D2S
Back Up Light Bulb(Sedan) - 3156
Back Up Reverse Light Bulb - 921
Brake Light Bulb - 3157R
Center High Mount Stop Light Bulb - 2825, 98
Daytime Running Light Bulb - 3157
License Plate Light Bulb - 6418
Parking Light Bulb - 3157
Side Marker Light Bulb Front - 194NA
Tail Light Bulb - 3157R
Turn Signal Light Bulb Front - 3157
Turn Signal Light Bulb Rear - 3157
Dome Light Bulb - 6411, 6428
Map Light Bulb - 3886X
Trunk or Cargo Area Light(Compare to original - Option 2) - 6411, 6428
Trunk or Cargo Area Light(SVT) - 2825, 98

899 Bulbs

Used for: Fog Light Bulb Front

View all 10 replacement options for size 899 →

H7 Bulbs

Used for: Headlight Bulb High Beam

View all 22 replacement options for size H7 →

9003 Bulbs

Used for: Headlight Bulb High Beam and Low Beam

PIAA 15224 H4 (9003 / HB2) Xtreme White Plus

PIAA 15224 H4 (9003 / HB2) Xtreme White Plus

Xtreme White Hybrid bulbs are great for down-road illumination, giving you the ability to see farther with greater safety and comfort. Made from high-quality quartz glass as well as alloy filaments that won't break or bend under pressure like regular metals can sometimes do! The Xtra white bulb's construction allows it to withstand intense heat longer so they last much longer before needing replacement which costs less than when replacing them every few months because of their quality material use in combination with far better-distributed weight throughout each unit making this an investment worth having even if just once.

$52.37

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Termitor Latest 9003/H4/HB2 Bulb, 6500K

Termitor Latest 9003/H4/HB2 Bulb, 6500K

These H4/9003/HB2 motorcycle LED bulbs are designed as direct replacements for standard halogen bulbs, supporting both high and low beam functions in compatible housings. They deliver significantly higher light output while maintaining a beam pattern that closely matches the original bulb to help preserve proper road illumination and reduce glare. The compact 1:1 design allows for quick plug-and-play installation without modifications or external components. An aluminum housing combined with an internal cooling fan helps manage heat and supports consistent performance over extended use. With an IP68 rating, the bulbs are protected against water, dust, and a wide range of operating temperatures. Built-in CANBUS support provides compatibility with most motorcycle electrical systems, though some models may require an additional decoder.

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TECHMAX H4/9003 LED Headlight Bulb, Windless Direct Insertion

TECHMAX H4/9003 LED Headlight Bulb, Windless Direct Inser...

Upgrade your car's lighting with the TECHMAX H4 LED Headlight Bulb, the perfect solution for those looking for a high-quality and reliable lighting option. With a fanless and windless design, the H4 LED Headlight Bulb breaks away from traditional bulb designs, providing zero-noise and a more comfortable driving experience. Direct insertion ensures that the volume is close to that of the halogen lamp, making installation simple and hassle-free with no additional wiring harness required. TECHMAX LED lights use double-sided high-quality lamp beads, providing a wider range of illumination and a more concentrated beam pattern. The result is brighter and more uniform lighting, illuminating the road ahead and ensuring a safer driving experience.

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View all 16 replacement options for size 9003 →

D2S Bulbs

Used for: Headlight Bulb Low Beam

View all 9 replacement options for size D2S →

3156 Bulbs

Used for: Back Up Light Bulb(Sedan)

Alla Lighting Newly Upgraded T25 3156 3157 LED White Bulbs

Alla Lighting Newly Upgraded T25 3156 3157 LED White Bulbs

This listing features one pair of super bright 3157/3156 6000K xenon white LED bulbs equipped with high power 2835-SMD LEDs, each 3156 3157 dual filament LED bulb is about 1000 lumens, specially designed for replacing stock dim halogen or incandescent front or rear turn signal light, daytime running lights(DRL), side marker light, back-up reverse light bulb, brake lights, tail lights, cornering lights, etc- Product Specifications Premium projector lens. Advanced aluminum heat sink material. Built-in CK-compatible LED driver. High Power 2835 SMD LEDs. Product Features Non-polarity bulb. Compatible with both CK and standard socket.

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View all 13 replacement options for size 3156 →

921 Bulbs

Used for: Back Up Reverse Light Bulb

View all 14 replacement options for size 921 →

3157R Bulbs

Used for: Brake Light Bulb, Tail Light Bulb

Sylvania Zevo LED Red Bulb

Sylvania Zevo LED Red Bulb

SYLVANIA ZEVO LED bulbs deliver a brighter, whiter, sharper light. As easy as changing a light bulb, you can have improved performance and safety for interior and exterior applications. World-class manufacturing and high-quality materials guarantee a lifetime warranty on your ZEVO bulbs. LED bulbs used for turn signals may require the use of load resistors to ensure appropriate power is supplied to the bulbs and prevent hyper flashing.  Delivers A Brighter and Sharper Light: This is a RED LED bulb – Ideal for stop and tail lights.

$19.75

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View all 13 replacement options for size 3157R →

2825 Bulbs

Used for: Center High Mount Stop Light Bulb, Trunk or Cargo Area Light(SVT)

View all 12 replacement options for size 2825 →

98 Bulbs

Used for: Center High Mount Stop Light Bulb, Trunk or Cargo Area Light(SVT)

View all 10 replacement options for size 98 →

3157 Bulbs

Used for: Daytime Running Light Bulb, Parking Light Bulb, Turn Signal Light Bulb Front, Turn Signal Light Bulb Rear

Alla Lighting 3157 Red LED Bulbs (Brake, Tail Lights, Turn Signal)

Alla Lighting 3157 Red LED Bulbs (Brake, Tail Lights, Tur...

Product benefits and features: Each bulb is quipped with 39pcs high power and high illumination 2835 SMD LEDs; Built-in smart IC driver for stable current control and longer lifespan; Equipped with projector-lens for fully 360° light output. Equipped with aluminum heat sink for the best heat dissipation. Especially designed for replacing back-up reverse lights, turn signal lights, brake tail lights, daytime running lights(DRL) lamps.

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KAKEMONO 3157 LED Amber Yellow Light Bulb

KAKEMONO 3157 LED Amber Yellow Light Bulb

Improve your car's lighting with the brilliant combination of brightness, energy efficiency, and broad compatibility offered by KAKEMONO BrightBeam 3157 LED Amber Yellow Bulbs. Built for multiple functions, these bulbs perform expertly to promise safety and style in each ride. BrightBeam LED bulbs are good for brake lights, turn signals, reverse lights, tail lights, and much more. Amber yellow in color and with a bright 400 lumens output, it gives better visibility and makes your vehicle more noticeable to others to improve safety on the road. Replacing traditional 40W halogen bulbs, these 4W LED bulbs reduce power consumption by a large margin while keeping very good brightness. Ceramic and aluminum housing allows for efficient heat dissipation, contributing to a longer lifespan and consistent performance over time. With a wide voltage input range of AC10-18V/DC10-30V, they are stable and work well on different vehicle models. They boast a 360° beam angle with no dark spots, providing super uniform light distribution. Plug-and-play installation, besides, makes upgrading your lighting a breeze. Note that some vehicles may require a load resistor to prevent hyper-flashing or dashboard error codes.

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View all 12 replacement options for size 3157 →

6418 Bulbs

Used for: License Plate 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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194NA Bulbs

Used for: Side Marker Light Bulb Front

Marsauto 194 LED Light Bulbs Amber Yellow

Marsauto 194 LED Light Bulbs Amber Yellow

Introducing the Marsauto 194 LED Light Bulbs in Amber Yellow, the perfect lighting solution for your car's various applications. With their impressive brightness and ease of installation, these bulbs will stay with you all the time, providing enhanced visibility and style.Experience a super bright light output with the Marsauto 194 LED Light Bulbs. With 200 lumens of brightness, these bulbs ensure excellent visibility in a variety of applications. Whether you need them for map lights, dome lights, license plate lights, dashboard instruments, trunk lights, or courtesy lights, these bulbs will illuminate your vehicle with a vibrant amber yellow glow. Installation is a breeze with the Marsauto 194 LED Light Bulbs. With their user-friendly design, you can easily install them in just 3 minutes. Simply remove your old bulbs and replace them with the Marsauto LEDs for an instant upgrade. There's no need for complex wiring or modifications – it's a hassle-free process that anyone can do. The Marsauto 194 LED Light Bulbs will stay with you all the time, providing reliable and long-lasting performance. Whether you're driving during the day or night, these bulbs will consistently deliver the illumination you need. You can count on them to enhance your visibility and add a touch of style to your vehicle's interior and exterior lighting. Upgrade your car's lighting system with the Marsauto 194 LED Light Bulbs in Amber Yellow and enjoy enhanced brightness, easy installation, and versatile applications. With their super bright light output, quick installation, and compatibility with various car lighting functions, these bulbs are the perfect choice for improving your driving experience. Trust Marsauto for high-quality lighting solutions that will exceed your expectations.

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Alla Lightning 194NA LED Amber Bulbs

Alla Lightning 194NA LED Amber Bulbs

Each bulb is quipped with 18pcs high power and high illumination 3014 SMD LEDs; Built-in smart IC driver for stable current control and longer lifespan; Each bulb is about 240 lumens, fully 360° light output. More than 400% brighter than stock lamps. Equipped with aluminum heat sink for the best heat dissipation. Especially designed for license plate lights, side marker lights, parking lights, interior map, dome, trunk, door courtesy, stepwell lights lamps.

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6411 Bulbs

Used for: Dome Light Bulb, Trunk or Cargo Area Light(Compare to original - Option 2)

Wiseshine 6411 LED Dome Light Bulb

Wiseshine 6411 LED Dome Light Bulb

Introducing theWiseshine 6411 LED Dome Light Bulb, the ultimate lighting solution for a variety of applications. This top-quality bulb is engineered to provide outstanding performance, reliability, and longevity. Wiseshine 6411 LED Dome Light Bulb emits a natural white light with a color temperature of 4500k. This color creates a pleasant and soothing illumination that enhances visibility and creates a welcoming atmosphere. Each pack contains 6pcs of these high-quality LED bulbs, ensuring you have an ample supply to meet your lighting needs. Whether you're looking to upgrade your dome lights, reading lights, map lights, glove box lights, cargo lights, trunk lights, or license plate lights, this pack has you covered. Designed to operate with DC 24V input, this bulb is suitable for a wide range of vehicles and applications. Whether you need to replace bulbs in your car, truck, or boat, this Festoon LED bulb is compatible with your power source. Rest assured that this bulb is built to last. With a two-year quality assurance guarantee, you can trust in its reliability and performance. Wiseshine 6411 LED Dome Light Bulb is engineered with top-quality components, including 6 super bright chipsets 3030 1-watt LEDs. Each individual light produces an impressive 130-140 lumens, ensuring a bright and focused illumination.

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KATUR 6411 White LED Bulbs 39 mm

KATUR 6411 White LED Bulbs 39 mm

It's time to shed some light on your automotive life with the KATUR 6411 White LED Bulbs 39 mm. These little wonders are like a shining beacon of efficiency, delivering lower power consumption and a longer lifespan to keep you glowing for miles on end. With their lightning-fast light response and impeccable safety record, you'll never miss a beat on the road. Thanks to the high power 5630 chips and a mesmerizing 180-degree illumination angle, there won't be a blind spot in sight–prepare to witness your car basking in a radiant, renewed aura. And here's the cherry on top: installation is a breeze, taking a mere 5 minutes of your time, simply plug and play without causing any harm to your precious ride. Illuminate your world and embrace the brilliance of the KATUR 6411 White LED Bulbs 39 mm!

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View all 8 replacement options for size 6411 →

6428 Bulbs

Used for: Dome Light Bulb, Trunk or Cargo Area Light(Compare to original - Option 2)

KATUR 6428 LED Interior Light Bulb

KATUR 6428 LED Interior Light Bulb

6500K Xenon White Experience the brilliant 6500K Daytime White brightness instantly with KaTur 31mm Festoon C5W LED Bulb. No lag, just immediate illumination. High Power 5630 Chips Enjoy the perfect beam patterns of the super bright 5630 Chips in the LED Front Rear Sidemarker Light. Say goodbye to dark spots, short beams, and scattered light. CanBus Error-Free Equipped with a CANBUS system, these bulbs work seamlessly without the need for additional resistors. Waterproof and reliable in any weather conditions, providing excellent visibility while driving. Easy Installation Install in just 5 minutes with a plug-and-play design. Non-destructive installation for Interior (Map, Dome, Cargo, Courtesy) Light, License Plate Light, Parking Light, Turn Signal Light, Corner Light, Side Marker Light, Tail Light, and Backup Lights. Suitable for cars, trucks, motorcycles, scooters, trailers, RVs, boats, and more.

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3886X Bulbs

Used for: Map Light Bulb

TGP BA9 White 3886x LED Light Bulb

TGP BA9 White 3886x LED Light Bulb

Upgrade your vehicle's lighting system with the TGP BA9 White 3886x LED Light Bulb and experience improved visibility, enhanced style, and energy efficiency. Illuminate your surroundings with a clean, white light that stands out from the crowd, while enjoying the peace of mind that comes from reliable and durable LED technology. Designed with 8 high-quality LED SMD chips, these bulbs emit a bright and crisp white light, illuminating your surroundings with clarity and precision. Whether you need to enhance your car's interior or improve exterior visibility, the TGP BA9 White 3886x LED Light Bulb delivers exceptional performance. The compact dimensions of these bulbs, measuring 13x11mm, ensure a seamless fit into your vehicle's existing bulb sockets. However, we recommend double-checking the dimensions to ensure compatibility with your specific application. The bulbs' small size allows for versatile installation options and ensures they won't obstruct or interfere with any surrounding components. Please note that these LEDs can be polarity sensitive. In case you initially install the bulbs and they don't illuminate, simply flip them around and re-install them to ensure proper functioning. This polarity sensitivity ensures a secure connection and optimal performance.

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This 2003 Ford Focus bulb guide helps you verify the correct bulb size by lighting position, so you can replace a failed lamp without guessing. Because trim level, body style, and lighting package can vary by market, it is always smart to match the bulb to the exact location on the vehicle before ordering.

Use this page to compare the front, rear, interior, and cargo-area bulbs for the 2003 Ford Focus. Whether you are replacing a headlight, brake light, license plate light, or dome lamp, checking the bulb chart by position makes it easier to find the right fit the first time.

For best results, confirm the installed bulb before you buy, especially on cars with different trim or package combinations. Some 2003 Ford Focus models use halogen lighting, while others may have different headlight setups, so do not assume every bulb is the same across all versions. If you are considering LED replacements or aftermarket conversions, make sure the bulb type, socket, and beam pattern are compatible with your housing and local road rules. A quick visual check of the old bulb and connector can prevent fitment issues and save time during installation.

FAQ

What bulb size does the 2003 Ford Focus use for the low and high beam headlights?

The listed headlight bulb for high beam and low beam is 9003 on some 2003 Ford Focus applications. The page also shows separate headlight fitments in certain configurations, including D2S for low beam and H7 for high beam, so verify your exact headlight setup before purchasing.

What is the brake light bulb for a 2003 Ford Focus?

The brake light bulb is listed as 3157R for this model year. Always check the rear lamp assembly, since trim and body style can affect the exact bulb arrangement.

What bulb fits the tail light on a 2003 Ford Focus?

The tail light bulb is listed as 3157R. If you are replacing both sides, compare the old bulb to the new one before installation to confirm the correct base and filament style.

What is the rear turn signal bulb size?

The rear turn signal light bulb is listed as 3157. This is a common replacement bulb, but the actual socket and lamp design should still be checked on the vehicle.

What bulb does the front turn signal use?

The front turn signal light bulb is listed as 3157. On some Focus models, the same bulb type may also be used for parking or daytime running light functions depending on the lighting package.

What size is the front parking light bulb?

The front parking light bulb is listed as 3157. If your vehicle uses a combined front lamp assembly, the same bulb may serve more than one function.

What is the daytime running light bulb for the 2003 Ford Focus?

The daytime running light bulb is listed as 3157. Because daytime running light setups can vary by market, confirm the bulb position on your specific car.

What bulb fits the front side marker light?

The front side marker light bulb is listed as 194NA. This is a useful bulb to verify by socket shape and lens location before ordering.

What bulb is used for the license plate light?

The license plate light bulb is listed as 6418. If one side is out, it is often a good idea to replace both license plate bulbs at the same time.

What are the dome light bulb options for a 2003 Ford Focus?

The dome light bulb is listed as 6411 or 6428. Interior lighting can vary, so checking the bulb already installed in the overhead lamp is recommended.

What bulb fits the map light?

The map light bulb is listed as 3886X. If your overhead console has separate reading lamps, confirm the bulb shape and length before buying replacements.

What bulb is used for the center high mount stop light?

The center high mount stop light bulb is listed as 2825 or 98. This lamp is important for safety, so it is worth checking the old bulb and socket carefully during replacement.

What is the back up light bulb for a sedan?

For the sedan, the back up light bulb is listed as 3156. Other body styles may use a different bulb, so match the bulb to your exact rear lamp assembly.

What is the trunk or cargo area light bulb?

The trunk or cargo area light is listed as 2825 or 98 on some SVT applications, and 6411 or 6428 in an alternate comparison listing. Because cargo lighting can differ by trim, verify the installed bulb before ordering.

Can I switch the 2003 Ford Focus bulbs to LED?

Yes, many owners choose LED replacements, but fitment depends on the socket, space inside the housing, and whether the light output remains appropriate. For headlights and signal lamps, make sure the LED option is compatible with the original bulb type and local regulations.

Ford Focus Bulb Size by Year