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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Chevrolet Monte Carlo Spark Plug Wire
84 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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DelphiPart # XS10265
Spark Plug Wire Set - Delphi XS10265
4.645 Reviews
$51.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1987-1989 Chevrolet Caprice, 1987-1988 Chevrolet Caprice, 1987-1988 Chevrolet Monte Carlo, 1987-1987 Chevrolet El Camino, 1987-1987 GMC Caballero, 1987-1987 Pontiac Grand Prix
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Monte Carlo
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10265, 2X1166, QW894, 708N, 9708N, 700384, 118015, 35-PF77830,
...View moreitem #1001WEQV
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DensoPart # 671-6024
Spark Plug Wire Set - Denso 671-6024
51 Reviews
$48.99
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3-year warranty
90 days free return
Fits 1987-1987 Buick Regal, 1986-1987 Buick Regal, 1986-1986 Buick Regal, 1985-1987 Oldsmobile Cutlass Salon, 1982-1984 Buick Regal, 1982-1983 Pontiac Grand LeMans, 1982-1982 Buick Skylark, 1982-1982 Chevrolet Celebrity, 1982-1982 Chevrolet Citation, 1982-1982 Oldsmobile Cutlass Ciera, 1982-1982 Oldsmobile Omega, 1982-1982 Pontiac 6000, 1982-1982 Pontiac Bonneville, 1982-1982 Pontiac Grand LeMans, 1982-1982 Pontiac Grand Prix, 1982-1982 Pontiac Phoenix, 1981-1985 Pontiac Parisienne, 1981-1984 Buick Riviera, 1981-1984 Oldsmobile Toronado, 1981-1983 Oldsmobile 98
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Vehicle: Chevrolet Monte Carlo
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6024, 35-6122, MSW1284, 6716024, 606M, 11-617M, 2X1073, QW833,
...View moreitem #100314HH
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DensoPart # 671-8030
Spark Plug Wire Set - Denso 671-8030
51 Reviews
$53.99
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3-year warranty
90 days free return
Fits 1984-1984 Oldsmobile Cutlass Calais, 1982-1983 Chevrolet Camaro, 1982-1982 Chevrolet C10 Suburban, 1982-1982 Chevrolet C10 Suburban, 1982-1982 Chevrolet C30, 1982-1982 Chevrolet K10 Suburban, 1982-1982 Chevrolet K30, 1982-1982 GMC C1500 Suburban, 1982-1982 GMC C1500 Suburban, 1982-1982 GMC C2500 Suburban, 1982-1982 GMC K1500 Suburban, 1982-1982 GMC K1500 Suburban, 1981-1982 Chevrolet C10, 1981-1982 Chevrolet C10, 1981-1982 Chevrolet C20, 1981-1982 Chevrolet C20, 1981-1982 Chevrolet C20 Suburban, 1981-1982 Chevrolet C20 Suburban, 1981-1982 Chevrolet K10, 1981-1982 Chevrolet K10
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Monte Carlo
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8030, 118028, 35-8129, 6718030, 96279, 96282, 700251, 618F,
...View moreitem #100314SV
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DensoPart # 671-8027
Spark Plug Wire Set - Denso 671-8027
51 Reviews
$51.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1986-1986 Chevrolet C10, 1986-1986 Chevrolet K10, 1986-1986 Chevrolet K10 Suburban, 1986-1986 Chevrolet K20, 1986-1986 Chevrolet K30, 1986-1986 GMC C2500 Suburban, 1986-1986 GMC C3500, 1986-1986 GMC K2500, 1985-1986 Chevrolet C10, 1985-1986 Chevrolet C10 Suburban, 1985-1986 Chevrolet C10 Suburban, 1985-1986 Chevrolet C20, 1985-1986 Chevrolet C20, 1985-1986 Chevrolet C20 Suburban, 1985-1986 Chevrolet C20 Suburban, 1985-1986 Chevrolet C30, 1985-1986 Chevrolet K10, 1985-1986 Chevrolet K10 Suburban, 1985-1986 Chevrolet K20 Suburban, 1985-1986 Chevrolet K20 Suburban
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Monte Carlo
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8027, 118025, 35-8126, 6718027, 96282, 700251, 608N, 09647,
...View moreitem #1003166L
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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!