What Does A Spark Plug Do
Spark plugs can make or break your engine’s performance. Understand how they work, how to recognize a faulty one, and get expert advice on choosing the right spark plug for better engine health.
Jul 21, 2026
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Volkswagen super-beetle Spark Plug Wire
4 itemsMisfires, rough idle, or weak acceleration can start with aging ignition wires. Replace your spark plug wires set to help deliver steady spark and restore smoother engine performance.
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A-Premium®Part # APSPW035
5 Pcs Spark Plug Wire Sets for Volkswagen Beetle Transporter Porsche 912 1.6L 1.2L
4.555 Reviews
$41.99
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3-year warranty
90 days free return
Fits 1965 - 1969 Porsche 912, 1960 - 1966 Volkswagen Beetle, 1966 - 1966 Volkswagen Beetle, 1967 - 1969 Volkswagen Beetle, 1970 - 1979 Volkswagen Beetle, 1968 - 1971 Volkswagen Campmobile, 1966 - 1973 Volkswagen Fastback, 1960 - 1965 Volkswagen Karmann Ghia, 1966 - 1966 Volkswagen Karmann Ghia, 1967 - 1969 Volkswagen Karmann Ghia, 1970 - 1974 Volkswagen Karmann Ghia, 1966 - 1973 Volkswagen Squareback, 1971 - 1980 Volkswagen Super Beetle, 1973 - 1974 Volkswagen Thing, 1960 - 1964 Volkswagen Transporter, 1963 - 1967 Volkswagen Transporter, 1968 - 1971 Volkswagen Transporter
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Vehicle: Volkswagen Super Beetle
Item LocatedUnited States
Quantity5
ColorBlack
ConditionNew
item #10049E3Y
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Walker ProductsPart # 924-1551
Walker Products 924-1551 Spark Plug Wire Set
4.52 Reviews
$41.99
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3-year warranty
90 days free return
Fits 1969-1972 Audi Super 90, 1969-1977 Audi 100 Series, 1968-1969 Porsche 912, 1960-1964 Volkswagen Transporter, 1960-1971 Volkswagen Karmann Ghia, 1960-1979 Volkswagen Beetle, 1965-1965 Volkswagen Transporter, 1966-1967 Volkswagen Transporter, 1966-1973 Volkswagen Fastback, 1966-1973 Volkswagen Squareback, 1968-1971 Volkswagen Campmobile, 1971-1980 Volkswagen Super Beetle, 1973-1974 Volkswagen Karmann Ghia, 1973-1974 Volkswagen Thing, 1998-2005 Volkswagen Pointer
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Vehicle: Volkswagen Super Beetle
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1551
item #1001PS9D
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Walker ProductsPart # 924-1012
Walker Products 924-1012 Spark Plug Wire Set
4.52 Reviews
$34.99
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3-year warranty
90 days free return
Fits 1968-1969 Porsche 912, 1960-1964 Volkswagen Transporter, 1960-1971 Volkswagen Karmann Ghia, 1960-1979 Volkswagen Beetle, 1965-1965 Volkswagen Transporter, 1966-1967 Volkswagen Transporter, 1966-1973 Volkswagen Fastback, 1966-1973 Volkswagen Squareback, 1968-1971 Volkswagen Campmobile, 1971-1980 Volkswagen Super Beetle, 1973-1974 Volkswagen Karmann Ghia, 1973-1974 Volkswagen Thing
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Vehicle: Volkswagen Super Beetle
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1012, 35-4026, XE21, 4330, 9280, 9281, 115, 190,
...View moreitem #1001PRWR
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DensoPart # 671-4086
Spark Plug Wire Set - Denso 671-4086
51 Reviews
$45.99
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3-year warranty
90 days free return
Fits 1965-1969 Porsche 912, 1960-1962 Volkswagen Transporter, 1960-1966 Volkswagen Beetle, 1960-1966 Volkswagen Karmann Ghia, 1963-1964 Volkswagen Transporter, 1963-1967 Volkswagen Transporter, 1966-1973 Volkswagen Fastback, 1966-1973 Volkswagen Squareback, 1967-1969 Volkswagen Beetle, 1967-1969 Volkswagen Karmann Ghia, 1968-1971 Volkswagen Campmobile, 1968-1971 Volkswagen Transporter, 1970-1974 Volkswagen Karmann Ghia, 1970-1979 Volkswagen Beetle, 1971-1980 Volkswagen Super Beetle, 1973-1974 Volkswagen Thing
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Volkswagen Super Beetle
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4086, 35-4026, 101, MSW1900, 6714086, XE21, 11-401S, 2X1693,
...View moreitem #1002HWUY
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What are spark plug wires?
Spark plug wires, also known as ignition cables or spark plug leads, are a set of wires that connect the ignition coil or distributor to the spark plugs in an internal combustion engine. They are responsible for transmitting high-voltage electrical energy from the ignition source to the spark plugs, which ignite the fuel-air mixture in the engine's cylinders.
The spark plug wires typically consist of a central core made of conductive materials such as copper, and an insulating layer made of materials like silicone or rubber to prevent electrical current from leaking. The wires are designed to withstand high temperatures and electrical interference and are often color-coded to ensure correct installation.
Signs of bad spark plug wires
Spark plug wires play a crucial role in ensuring reliable engine performance. Worn or damaged spark plug wires can cause misfires, rough idling, and poor fuel efficiency, so it's important to take regular maintenance and replace them as needed.
Engine knocking
When the spark plug wires fail, the engine may produce a knocking sound, particularly under heavy loads. This can be caused by pre-ignition or detonation, which can occur when the spark plug wires are not delivering enough energy to the spark plugs.
Rough shifting (automatic transmission)
In some cases, a damaged spark plug wire can cause rough shifting in an automatic transmission. This can be due to a drop in engine power caused by misfires or other problems related to the spark plug wires.
Burned spark plug wires
If you notice that your spark plug wires are discolored or burned, this can be a sign that they are not functioning properly. Burned spark plug wires can be caused by excessive heat, electrical interference, or other issues.
Poor acceleration
When the spark plug wires are failing, the engine may have trouble accelerating smoothly. This can be due to misfires or other problems related to the spark plug wires.
Stalling
A damaged spark plug wire can cause the engine to stall or cut out, particularly at idle. This can be due to a drop in engine power caused by misfires or other problems related to the spark plug wires.
How to change spark plug wires?
Replacing a spark plug wire set is a relatively simple task, and can usually be completed in under an hour. You can follow these steps:
1. Remove the worn or faulty spark wire set.
To avoid confusion and prevent accidentally switching the wires, it is recommended to replace each spark plug wire individually, starting with the longest one. When removing the wires from either the spark plug or distributor cap, it is important to loosen the connection by twisting or rotating the boot. Yanking or forcefully pulling on the wires may cause them to break. Only pull on the boot and refrain from pulling on the cable.
2. Install the new spark plug wire set
Install the new spark plug wires in the same location as the old wires, making sure to connect each wire to the correct spark plug. If your new spark plug wires have boots, be sure to push the boot firmly onto the spark plug until it clicks into place.
3. Test the new spark plug wires
Once you have installed the new spark plug wires, start the engine and check for any signs of misfires, rough idling, or other problems that could indicate an issue with the spark plug wires. If everything looks good, you're all set!