
PIAA 15223 H3 Xtreme White Plus
$67.15
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Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb, Brake Light Bulb
Used for: License Plate Light Bulb, Vanity Mirror Light Bulb
Used for: Parking Light Bulb
Used for: Side Marker Light Bulb Front, Glove Box Light Bulb, Interior Door Light Bulb, Map Light Bulb, Trunk or Cargo Area Light
Used for: Side Marker Light Bulb Rear, Tail Light Bulb
Used for: Turn Signal Light Bulb Front
Used for: Turn Signal Light Bulb Rear
Used for: Dome Light Bulb
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.
The 2003 Volkswagen GTI uses H7 bulbs for both the low beam and high beam headlight positions on the bulb chart for this page.
The front fog light bulb listed for the 2003 Volkswagen GTI is H3.
The brake light bulb listed for this model year is 7506.
The back up reverse light bulb listed for the 2003 Volkswagen GTI is 7506.
The front turn signal bulb listed is 3457AK.
The rear turn signal bulb listed for this page is 12496.
The license plate light bulb listed for the 2003 Volkswagen GTI is 6418.
The dome light bulb listed is 6411.
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.
The vanity mirror light bulb listed for this GTI is 6418.
The chart lists the center high mount stop light as LED, so it is not shown as a standard replaceable halogen bulb size here.
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.
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.
Not always. Some positions are straightforward, but others may need compatible LED bulbs, polarity checks, or additional hardware to avoid flicker or warning issues.