What Size Bulbs Does a 1999 Volkswagen Jetta Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Hard (Tight clearances)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 1999 Volkswagen Jetta Have?
The 1999 Volkswagen Jetta features an extensive lighting system with 13 bulb positions. It uses halogen technology with 9006 LED low beams and 9007 LED high beams in a dual-bulb configuration. The Jetta has been available from 1980 to 2019, and the 1999 model falls in the mid-generation years. As a Volkswagen vehicle, it uses a CANbus electrical system that monitors bulb status.
LED Flicker Warning
This vehicle (Volkswagen) is known to use a CANbus system that checks for burnt-out bulbs. Installing standard LEDs may cause them to flicker or trigger a dashboard error.
We highly recommend using a CANbus decoder or "Anti-Flicker" resistors.
Can You Put LED Bulbs in a 1999 Volkswagen Jetta?
To upgrade the 1999 Volkswagen Jetta headlights to LED, you will need a 9006 LED LED kit for the low beams and a 9007 LED LED kit for the high beams. Start with the low beams since they are used most often and have the biggest impact on nighttime visibility. Important: Volkswagen vehicles use a CANbus system that detects bulb wattage. Standard LED bulbs may trigger dashboard warnings or flicker. Choose LED kits labeled "CANbus-compatible" or add inline decoder resistors to prevent these issues. For the fog lights, a H3 LED LED bulb provides a clean white output that pairs well with LED headlights.
How to Replace Bulbs on a 1999 Volkswagen Jetta
The 9006 bulb uses a push-and-twist L-shaped bayonet lock. To remove the old bulb, disconnect the wiring harness first, then twist the bulb counter-clockwise and pull it out. Volkswagen vehicles are known for tight engine bay clearances around the headlight assembly. You may need to remove the air intake duct, battery cover, or wheel well liner to access the bulbs. Budget 30 to 45 minutes per side for your first replacement. When installing the new bulb, avoid touching the glass with bare fingers. Skin oils create hot spots that shorten bulb life. Wear clean gloves or handle the bulb by its plastic base only. The fog lights are accessed from underneath the front bumper. You may need to remove a few plastic clips or screws from the fender liner to reach the H3 LED fog light socket.
Full Upgrade Bundle
Upgrade All 13 Positions at Once
1999 Volkswagen Jetta Complete Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
Low Beam | 9006 LED | Buy 9006 LED |
High Beam | 9007 LED | Buy 9007 LED |
Fog Light | H3 LED | Buy H3 LED |
Brake Light | 70 LED | Buy 70 LED |
Side Marker | 2821 LED | Buy 2821 LED |
Turn Signal Front | 2827 LED | Buy 2827 LED |
Turn Signal Rear | 7506 LED | Buy 7506 LED |
Dome Light | 6411 | Buy 6411 |
License Plate | 6418 | Buy 6418 |
Map Light | 6411 or 2825 | Buy 6411 or 2825 |
Parking Light | 2357NA or 3457NA or 7528 | Buy 2357NA or 3457NA or 7528 |
Reverse Light | 7506 | Buy 7506 |
Trunk Light | 6418 or 2825 | Buy 6418 or 2825 |
Want to upgrade everything at once?
Shop Complete LED Kit for 1999 Volkswagen JettaHow Long Do 1999 Volkswagen Jetta Headlight Bulbs Last?
Standard halogen headlights on the 1999 Volkswagen Jetta have an expected lifespan of 500 to 1,000 hours, which works out to roughly 2 to 3 years of normal use. Signs of a failing halogen bulb include noticeably dimmer output, a yellowish tint compared to the other headlight, or intermittent flickering. At 27 years old, the original bulbs on your Jetta are likely overdue for replacement. Even if they still illuminate, reduced brightness significantly impacts nighttime safety. When one headlight burns out, replace both sides at the same time. Bulbs from the same batch age at similar rates, and mismatched brightness is distracting to oncoming drivers.
What Bulbs Are Compatible with the 1999 Volkswagen Jetta?
The 9006 low beam bulb on the 1999 Volkswagen Jetta is cross-compatible with HB4 bulbs. These share the same physical base and electrical connection, so they will fit the socket. However, 9006 is the recommended size because it is optimized for the wattage and beam pattern designed into your headlight housing. For the high beams, the 9007 is interchangeable with HB5. Using the wrong bulb size can cause improper beam patterns that reduce your visibility and blind other drivers. It can also cause overheating inside the headlight housing, potentially warping the plastic lens or reflector. Always verify the bulb number before purchasing.
1999 Volkswagen Jetta Headlight FAQ
Did Volkswagen Jetta Bulb Sizes Change Over the Years?
Over its production run from 1980 to 2019, the Volkswagen Jetta has seen bulb size changes in the Low Beam, High Beam and Fog Light positions. The 1999 model uses the earlier bulb specification that was in place before the change around 2018. Always verify the exact bulb size for your specific 1999 model year using the chart above, as using the wrong size can result in poor fitment or reduced light output.
Other Jetta Years
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Other Vehicles That Use 9006 LED Bulbs
These vehicles from other makes also use a 9006 LED low beam bulb: