
PIAA 15223 H3 Xtreme White Plus
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Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam
Used for: Headlight Bulb High Beam
Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam
Used for: Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb, Brake Light Bulb, Turn Signal Light Bulb Rear
Used for: License Plate Light Bulb, Side Marker Light Bulb Front, Map Light Bulb, Trunk or Cargo Area Light
Used for: License Plate Light Bulb, Courtesy Light Bulb, Glove Box Light Bulb, Trunk or Cargo Area Light
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Parking Light Bulb, Side Marker Light Bulb Front, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Rear, Tail Light Bulb
Used for: Dome Light Bulb, Map Light Bulb
Used for: Glove Box Light Bulb
Used for: Map Light Bulb
This page helps you verify the bulb sizes for the 1999 Volkswagen GTI by lighting position, so you can match the correct replacement before you buy. Because bulb fitment can change with trim, market, and body style, it is smart to confirm each light location separately instead of assuming every GTI uses the same parts.
For the 1999 GTI, the chart covers common exterior and interior bulbs such as headlights, fog lights, turn signals, brake lights, reverse lights, license plate lights, dome lights, map lights, and more. Use the position-specific listings to narrow down the correct bulb type for the exact lamp you are replacing.
Fitment on this model can vary by trim package and lighting equipment, especially between halogen setups and any aftermarket LED conversions. If your GTI has been modified, or if a previous owner changed a socket or housing, the bulb listed for the factory configuration may not be the one currently installed. Before ordering, compare the installed bulb to the chart, check the base style and connector shape, and make sure the replacement matches the original housing. This is especially important for headlights and fog lights, where different bulb types can look similar but are not interchangeable without the proper setup.
The low beam headlight bulb can vary on the 1999 Volkswagen GTI, with H7, 9006, or 9004 listed depending on trim or lighting package. Check the bulb currently installed in your car before ordering.
High beam headlight fitment is listed as 9005, H7, or 9004 on this page. The correct choice depends on the specific headlight setup on your GTI.
The front fog light bulb is listed as H3. If your GTI has factory fog lights, H3 is the bulb type to verify first.
The front turn signal bulb is listed as 2357A or 7528. Use the bulb already in the socket to confirm which version your car uses.
The parking light bulb is listed as 2357A or 7528. Because these can overlap with other front lighting applications, checking the installed bulb is the safest way to confirm fitment.
The brake light bulb is listed as 7506. This same bulb type is also used in some other rear lighting positions on this page.
The rear turn signal bulb is listed as 7506. If your rear lamp assembly has been changed or repaired, verify the socket and bulb before buying.
The back up reverse light bulb is listed as 7506. Confirm the bulb in the reverse lamp housing to make sure it matches the factory-style fitment.
The license plate light bulb is listed as 2825 or 6418. Either may appear depending on the exact lamp assembly, so it is worth checking the existing bulb.
The dome light bulb is listed as 6411. If the interior lamp has been upgraded or replaced, compare the old bulb to the chart before ordering.
The map light bulb is listed as 2825, 6411, or 47830. The correct bulb depends on the interior light assembly installed in your GTI.
The glove box light bulb is listed as 2821 or 6418. Since glove box lamps can be easy to access, it is a good idea to compare the old bulb while replacing it.
Yes. Trim level, market, body style, and lighting package can all affect bulb size on the 1999 Volkswagen GTI. Always verify the exact lamp position and the bulb currently installed.
Often yes, but LED conversions may need the correct base, polarity, and sometimes additional hardware to avoid warning lights or poor beam pattern. Make sure the LED matches the original bulb type and is suitable for the housing.