What Size Bulbs Does a 1979 Volkswagen Dasher 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 1979 Volkswagen Dasher Have?
The 1979 Volkswagen Dasher features an extensive lighting system with 13 bulb positions. It uses halogen technology with 4000 LED low beams and H5001 LED high beams in a dual-bulb configuration. The Dasher has been available from 1974 to 1981, and the 1979 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 1979 Volkswagen Dasher?
To upgrade the 1979 Volkswagen Dasher headlights to LED, you will need a 4000 LED LED kit for the low beams and a H5001 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 LED Fog Lights LED bulb provides a clean white output that pairs well with LED headlights.
How to Replace Bulbs on a 1979 Volkswagen Dasher
To remove the headlight bulb, disconnect the wiring harness, then twist the bulb counter-clockwise and pull it straight out of the housing. 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 LED Fog Lights fog light socket.
Full Upgrade Bundle
Upgrade All 13 Positions at Once
1979 Volkswagen Dasher Complete Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
Low Beam | 4000 LED | Buy 4000 LED |
High Beam | H5001 LED | Buy H5001 LED |
Fog Light | LED Fog Lights | Buy LED Fog Lights |
Brake Light | Brake Light Assembly | Buy Brake Light Assembly |
Side Marker | 3893 LED | Buy 3893 LED |
Turn Signal Front | 7506 LED | Buy 7506 LED |
Turn Signal Rear | 7506 LED | Buy 7506 LED |
Dome Light | 6411 | Buy 6411 |
License Plate | 3893 | Buy 3893 |
Map Light | 2825 | Buy 2825 |
Parking Light | 3893 | Buy 3893 |
Reverse Light | 7506 | Buy 7506 |
Trunk Light | LED Light | Buy LED Light |
Want to upgrade everything at once?
Shop Complete LED Kit for 1979 Volkswagen DasherHow Long Do 1979 Volkswagen Dasher Headlight Bulbs Last?
Standard halogen headlights on the 1979 Volkswagen Dasher 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 47 years old, the original bulbs on your Dasher 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 1979 Volkswagen Dasher?
The 4000 low beam bulb on the 1979 Volkswagen Dasher is a specific fitment. There are no widely recognized cross-compatible alternatives, so make sure to purchase the exact 4000 size. 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.
1979 Volkswagen Dasher Headlight FAQ
Did Volkswagen Dasher Bulb Sizes Change Over the Years?
Over its production run from 1974 to 1981, the Volkswagen Dasher has seen bulb size changes in the Low Beam, High Beam and Side Marker positions. The 1979 model uses the newer bulb specification introduced around 1979. Always verify the exact bulb size for your specific 1979 model year using the chart above, as using the wrong size can result in poor fitment or reduced light output.
Other Dasher Years
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Other Vehicles That Use 4000 LED Bulbs
These vehicles from other makes also use a 4000 LED low beam bulb: