Volkswagen GTI 2003 Bulb Size

Bulb size chart

H3 Bulbs

Used for: Fog Light Bulb Front

View all 11 replacement options for size H3 →

H7 Bulbs

Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam

View all 22 replacement options for size H7 →

7506 Bulbs

Used for: Back Up Reverse Light Bulb, Brake Light Bulb

Osram 7506 Original Light Bulbs with Metal Bases

Osram 7506 Original Light Bulbs with Metal Bases

As the leading global provider, OSRAM takes pride in being the foremost manufacturer of automotive bulbs, catering to the needs of vehicle manufacturers worldwide. Their unmatched expertise has made them the trusted supplier for millions of cars and trucks manufactured by renowned automotive giants. Here, we proudly offer the OSRAM 7506 (P21W-382) bulb, identical to the ones provided directly to vehicle manufacturers. It boasts an exceptional price-to-performance ratio, ensuring top-notch quality at an affordable rate. With a combination of superior craftsmanship, remarkable luminosity, and unwavering durability, OSRAM's Original Equipment products outshine many other bulbs available in the market, providing a genuine advantage for discerning customers.

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Ruiandsion 7506 LED Light Bulbs (BA15S Base)

Ruiandsion 7506 LED Light Bulbs (BA15S Base)

Introducing the Ruiandsion 7506 LED Light Bulbs, the perfect solution for upgrading your vehicle's lighting system. With a host of impressive features, these bulbs are designed to deliver enhanced performance and convenience. One standout feature of this 1156 LED Bulb is its Non-Polarity Design. Gone are the days of worrying about polarity sensitivity during installation. The plug-and-play functionality ensures a hassle-free experience, whether your vehicle has a negative earth or positive earth system. Installing these bulbs is as easy as it gets. Get ready to experience a clean and crisp illumination with the striking White color emitted by these bulbs. The 3030 chips incorporated in each bulb guarantee a powerful and consistent output of light. With 16 LEDs per bulb, you can expect a remarkably bright and even distribution of light across your surroundings. Durability is at the core of the Ruiandsion 7506 LED Light Bulbs. Designed to withstand extreme conditions, they operate flawlessly within a wide temperature range, from -40 to +75 degrees. Whether you're facing scorching heat or freezing cold, these bulbs will keep shining brightly, ensuring optimal visibility for your journeys.

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View all 12 replacement options for size 7506 →

6418 Bulbs

Used for: License Plate Light Bulb, Vanity Mirror Light Bulb

View all 9 replacement options for size 6418 →

3457A Bulbs

Used for: Parking Light Bulb

TUINCYN 3457A Switchback LED Light Bulb

TUINCYN 3457A Switchback LED Light Bulb

Introducing the TUINCYN 3457A Switchback LED Light Bulb, a revolutionary lighting solution designed to elevate your driving experience. This bulb is specifically crafted for the standard 3157 socket, offering seamless compatibility and a hassle-free installation process. Please note that it is not compatible with the CK socket base.With the included 50W 8 ohm Load Resistors Harness Set, the TUINCYN 3457A ensures a higher decoder rate compared to traditional 6 ohm load resistors. This innovative feature guarantees optimal performance and eliminates any potential flickering issues. You can trust this bulb to deliver reliable and consistent illumination. Enjoy superior brightness with the TUINCYN 3457A Switchback LED Light Bulb. Its output is significantly brighter than normal incandescent bulbs, ensuring enhanced visibility on the road. Whether you need parking lights, daytime running lights (DRL), or turn signal lights, this versatile bulb has got you covered.With its unique dual-color functionality, the TUINCYN 3457A bulb can switch between xenon white and yellow/amber light. It illuminates xenon white for parking lights or DRL, providing a crisp and modern appearance. When it comes to turn signal lights, the bulb flashes in an "AMBER-OFF-AMBER-OFF" pattern, effectively signaling your intentions to other drivers. Operating at a voltage range of DC 12V-24V, this LED bulb offers versatility and compatibility with various vehicles. Emitting 800 lumens of light, it ensures a powerful and bright illumination that enhances safety and visibility.Experience 360-degree lighting coverage with the TUINCYN 3457A Switchback LED Light Bulb. Its unique design ensures that light is evenly distributed in all directions, eliminating dark spots and providing a consistent and uniform lighting experience.

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TUINCYN 3457 Amber LED Light Bulb

TUINCYN 3457 Amber LED Light Bulb

ntroducing the TUINCYN 3457 Amber LED Light Bulb, a hassle-free lighting solution designed for easy installation and stunning illumination. With its plug and play feature, this bulb requires no complicated wiring, making it a convenient choice for all users. Crafted with meticulous attention to detail, the TUINCYN 3457 Amber LED Light Bulb features a robust and durable light body structure. Its point to point welding ensures exceptional strength, making it resistant to damage even in demanding conditions. This bulb is built to last, providing you with long-lasting and reliable performance. Experience superior lighting coverage with the 360 Degree Beam Angle design of the TUINCYN 3457 Amber LED Light Bulb. Illuminate every corner of your space with ease, as this bulb disperses light evenly in all directions. Say goodbye to dark spots and enjoy a well-lit environment that enhances visibility. Thanks to its advanced technology, this LED bulb boasts an impressive on/off response time, allowing for faster and more precise lighting transitions. Whether you need instant brightness or prefer a gradual fade, the TUINCYN 3457 Amber LED Light Bulb delivers an exceptional lighting experience tailored to your preferences. The socket type of this bulb is the standard 3157, ensuring compatibility with a wide range of fixtures and applications. Featuring 33 high-quality 5630 SMD LEDs per bulb, it emits a powerful 900 lumens of light, providing ample brightness for various indoor and outdoor settings.

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AUXITO LED Turn Signal Light Bulbs 3157 LED Bulbs Amber Yellow

AUXITO LED Turn Signal Light Bulbs 3157 LED Bulbs Amber Y...

Non-polarity. Can be used for front rear turn signal light, side marker light, blinker light, parking light, daytime running light, brake light, tail light, etc. When these 3157 led amber bulbs are used for turn signal lights or blinker lights, some vehicles may meet canbus issues, such as flicker, hyper flash or error warning, etc, load resistors or flasher relay may be required to solve the issues, you can contact us through Amazon Buyer Message to get help and solutions

$16.19

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View all 11 replacement options for size 3457A →

2825 Bulbs

Used for: Side Marker Light Bulb Front, Glove Box Light Bulb, Interior Door Light Bulb, Map Light Bulb, Trunk or Cargo Area Light

View all 12 replacement options for size 2825 →

5007 Bulbs

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

MAXGTRS 5007 LED Light Bulb (BAY15S)

MAXGTRS 5007 LED Light Bulb (BAY15S)

Introducing the MAXGTRS 5007 LED Light Bulb - Illuminate your vehicle with superior brightness and style. This bulb is specifically designed to enhance your driving experience and surpass the performance of ordinary halogen bulbs. Equipped with 24 high-quality 4014 LED chips and 6 advanced 3030 LED chips, the MAXGTRS 5007 ensures unparalleled luminosity. The large Condenser Lens guarantees a 360-degree beam angle, eliminating blind spots and providing concentrated illumination. With a staggering 300% increase in brightness compared to traditional bulbs, this LED light bulb will give your car a stunning new look. Installation is a breeze - simply plug and play. The built-in IC Circuit is designed to withstand wide voltage ranges from 10V to 30V, safeguarding the bulb against damage from voltage fluctuations and spikes. While the 1156 LED bulb is not CANBus error-free or anti-hyper flashing, you can easily address this with the addition of a 50W 6OHM load resistor decoder or flasher relay. This ensures that the LED bulbs illuminate with full power, preventing hyper flashing, blinking, flickering, or any malfunction error codes on your dashboard. What sets the MAXGTRS 5007 apart is its innovative no polarity design. With this feature, the bulb can be lit on either side, eliminating the need for flipping or additional modifications. Its ultra-short design makes it even more convenient to install, as it is shorter than the original car bulb. Within just 5 minutes, you can enjoy the benefits of this plug-and-play bulb.

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View all 12 replacement options for size 5007 →

3457AK Bulbs

Used for: Turn Signal Light Bulb Front

Wiseshine 3457AK LED Bulb Amber Yellow

Wiseshine 3457AK LED Bulb Amber Yellow

Illuminate your vehicle with the precision-engineered brilliance of KATUR's LED Amber 3457AK Bulbs. Versatility & Functionality: Diverse Applications: Specifically designed for a wide range of vehicles including cars, trucks, pick-up trucks, and motorcycles. Multipurpose Lighting: Perfect for cornering lights, daytime running lights (DRL), parking lights, side marker lights, and turn signal lights. Upgrade your vehicle's lighting game with KATUR LED Amber 3457AK Light Bulbs, offering you unmatched clarity and versatility on the road. Order now and redefine your driving experience!

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View all 11 replacement options for size 3457AK →

12496 Bulbs

Used for: Turn Signal Light Bulb Rear

View all 10 replacement options for size 12496 →

6411 Bulbs

Used for: Dome Light Bulb

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 →

This page helps you verify the bulb sizes for a 2003 Volkswagen GTI by lighting position, so you can match the correct replacement before you buy. Whether you are changing a headlight, interior lamp, or exterior signal bulb, checking the location first is the easiest way to avoid ordering the wrong part.

The 2003 Volkswagen GTI uses a mix of halogen, incandescent, and LED lighting depending on the position, and some fitment can vary by market and body style. Use the bulb chart on this page to compare each light source on the car, including headlights, fog lights, brake lights, license plate lights, and cabin bulbs.

Fitment can differ between trims, lighting packages, and regional specifications, so it is smart to confirm what is actually installed on your GTI before purchasing replacements. That matters even more if you are switching from halogen to LED, since aftermarket LED conversions may need different bulbs, adapters, or error-free components to work properly. If you are unsure, remove the old bulb and compare the base, connector, and glass shape with the listing before ordering.

FAQ

What headlight bulb does a 2003 Volkswagen GTI use?

The 2003 Volkswagen GTI uses H7 bulbs for both the low beam and high beam headlight positions on the bulb chart for this page.

What bulb size is used for the front fog lights?

The front fog light bulb listed for the 2003 Volkswagen GTI is H3.

What bulb fits the brake lights on this GTI?

The brake light bulb listed for this model year is 7506.

What bulb is used for the reverse lights?

The back up reverse light bulb listed for the 2003 Volkswagen GTI is 7506.

What size is the front turn signal bulb?

The front turn signal bulb listed is 3457AK.

What size is the rear turn signal bulb?

The rear turn signal bulb listed for this page is 12496.

What bulb is used for the license plate lights?

The license plate light bulb listed for the 2003 Volkswagen GTI is 6418.

What bulb fits the dome light?

The dome light bulb listed is 6411.

Which interior bulbs use 2825?

On this page, 2825 is listed for the glove box light, trunk or cargo area light, map light, interior door light, and front side marker light positions.

What bulb is used for the vanity mirror lights?

The vanity mirror light bulb listed for this GTI is 6418.

Does the center high mount stop light use a standard bulb?

The chart lists the center high mount stop light as LED, so it is not shown as a standard replaceable halogen bulb size here.

Can trim or body style change the bulb fitment?

Yes. Trim level, lighting package, and body style can affect fitment, so it is important to confirm the exact bulb position on your specific 2003 Volkswagen GTI.

Should I check the old bulb before buying a replacement?

Yes. Checking the installed bulb is the safest way to confirm the correct size, especially if the car has been modified or if an aftermarket bulb was installed previously.

Are LED replacements a direct swap for every bulb on this car?

Not always. Some positions are straightforward, but others may need compatible LED bulbs, polarity checks, or additional hardware to avoid flicker or warning issues.

Volkswagen GTI Bulb Size by Year