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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Oldsmobile Cutlass Spark Plug Wire
68 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 # XS10204
Spark Plug Wire Set - Delphi XS10204
4.539 Reviews
$48.99
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3-year warranty
90 days free return
Fits 1985-1985 Buick Skylark, 1986-1986 Buick Century, 1986-1986 Buick Century, 1986-1986 Buick Century, 1985-1985 Chevrolet Citation II, 1985-1986 Chevrolet Celebrity, 1985-1989 Chevrolet Camaro, 1985-1989 Chevrolet S10 Blazer, 1985-1993 Chevrolet S10, 1985-1989 GMC S15 Jimmy, 1985-1990 GMC S15, 1991-1993 GMC Sonoma, 1989-1991 Isuzu Trooper, 1991-1992 Isuzu Rodeo, 1991-1994 Isuzu Pickup, 1986-1986 Oldsmobile Cutlass Ciera, 1985-1986 Pontiac 6000, 1985-1986 Pontiac 6000, 1985-1989 Pontiac Firebird
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Vehicle: Oldsmobile Cutlass
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10204, QW868, 2X1074, 706N, 9706N, 12043821, 12073926, 19170839,
...View moreitem #1001WCCY
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DelphiPart # XS10278
Spark Plug Wire Set - Delphi XS10278
4.539 Reviews
$40.99
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3-year warranty
90 days free return
Fits 1980-1980 Buick Century, 1980-1980 Buick Century, 1980-1980 Buick Century, 1980-1980 Buick LeSabre, 1980-1980 Buick LeSabre, 1980-1980 Buick Skyhawk, 1980-1987 Buick Regal, 1981-1981 Buick Century, 1981-1981 Buick Century, 1981-1981 Buick LeSabre, 1981-1981 Buick LeSabre, 1981-1981 Buick Riviera, 1981-1984 Buick Electra, 1982-1982 Buick LeSabre, 1982-1982 Buick LeSabre, 1982-1982 Buick LeSabre, 1982-1982 Buick LeSabre, 1982-1982 Buick Regal, 1982-1982 Buick Regal, 1982-1982 Buick Regal
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Vehicle: Oldsmobile Cutlass
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10278, 30833, QW833, 2X1073, 606M, 12043723, 671-6024, 1807,
...View moreitem #1001WCE5
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DelphiPart # XS10230
Spark Plug Wire Set - Delphi XS10230
4.539 Reviews
$37.99
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3-year warranty
90 days free return
Fits 1996-1996 Buick Century, 1996-1996 Chevrolet Beretta, 1996-1996 Chevrolet Corsica, 1996-1997 Chevrolet Cavalier, 1996-1996 Oldsmobile Cutlass Ciera, 1996-1997 Pontiac Sunfire
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Vehicle: Oldsmobile Cutlass
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10230, 2X1069, QW1121, 764D, 9764D, 114026, 35-PF77549, 700375,
...View moreitem #1001WESP
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DelphiPart # XS10280
Spark Plug Wire Set - Delphi XS10280
4.539 Reviews
$40.99
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3-year warranty
90 days free return
Fits 1984-1984 Buick Century, 1984-1984 Buick Century, 1984-1984 Buick Century, 1984-1986 Buick Skylark, 1985-1985 Buick Somerset Regal, 1985-1986 Buick Century, 1986-1986 Buick Somerset, 1984-1985 Chevrolet Citation II, 1984-1986 Chevrolet Camaro, 1984-1986 Chevrolet Celebrity, 1985-1986 Chevrolet Astro, 1985-1987 Chevrolet S10, 1985-1987 Chevrolet S10 Blazer, 1987-1987 Chevrolet LLV, 1985-1986 GMC Safari, 1985-1987 GMC S15, 1985-1987 GMC S15 Jimmy, 1984-1984 Oldsmobile Omega, 1984-1984 Oldsmobile Omega, 1984-1986 Oldsmobile Cutlass Ciera
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Vehicle: Oldsmobile Cutlass
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10280, 2X1016, QW854, 704J, 9704J, 700257, 700378, 780068,
...View moreitem #1001W91E
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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 1979-1981 Buick Century, 1979-1983 Buick Riviera, 1980-1980 Buick Skyhawk, 1980-1984 Buick Electra, 1980-1984 Buick LeSabre, 1980-1985 Buick LeSabre, 1980-1985 Buick Regal, 1981-1984 Buick Riviera, 1982-1982 Buick Skylark, 1982-1984 Buick Regal, 1986-1986 Buick Regal, 1986-1987 Buick Regal, 1987-1987 Buick Regal, 1980-1982 Cadillac DeVille, 1980-1982 Cadillac Fleetwood, 1981-1982 Cadillac Eldorado, 1981-1982 Cadillac Seville, 1980-1980 Chevrolet Monza, 1980-1981 Chevrolet Camaro, 1980-1983 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Oldsmobile Cutlass
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 # 671-6014
Spark Plug Wire Set - Denso 671-6014
51 Reviews
$54.99
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3-year warranty
90 days free return
Fits 1987-1989 Buick Century, 1988-1989 Buick Regal, 1990-1993 Buick Regal, 1987-1989 Chevrolet Celebrity, 1990-1990 Chevrolet Celebrity, 1990-1994 Chevrolet Lumina, 1987-1989 Oldsmobile Cutlass Ciera, 1987-1989 Oldsmobile Cutlass Cruiser, 1988-1988 Oldsmobile Cutlass Supreme, 1989-1989 Oldsmobile Cutlass Supreme, 1990-1993 Oldsmobile Cutlass Supreme, 1987-1989 Pontiac 6000, 1988-1989 Pontiac Grand Prix, 1988-1991 Pontiac 6000, 1990-1991 Pontiac Tempest, 1990-1993 Pontiac Grand Prix
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Oldsmobile Cutlass
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6014, 35-6112, 709, MSW1737, 6716014, 706R, 11-639M, 2X1075,
...View moreitem #100316TH
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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 1980-1980 Buick Regal, 1980-1981 Buick Century, 1980-1980 Checker Marathon, 1980-1980 Checker Marathon, 1979-1980 Chevrolet Malibu, 1979-1980 Chevrolet Monte Carlo, 1980-1980 Chevrolet Caprice, 1980-1980 Chevrolet Caprice, 1980-1980 Chevrolet Impala, 1980-1980 Chevrolet Impala, 1980-1980 Chevrolet Malibu, 1980-1981 Chevrolet Malibu, 1981-1981 Chevrolet C10 Suburban, 1981-1981 Chevrolet K10 Suburban, 1981-1981 Chevrolet K20 Suburban, 1981-1982 Chevrolet C10, 1981-1982 Chevrolet C10, 1981-1982 Chevrolet C20, 1981-1982 Chevrolet C20, 1981-1982 Chevrolet C20 Suburban
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Oldsmobile Cutlass
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
Edit ZIP code
3-year warranty
90 days free return
Fits 1978-1978 Buick Century, 1978-1978 Buick Regal, 1978-1978 Buick Skylark, 1978-1978 Chevrolet El Camino, 1978-1978 Chevrolet Monte Carlo, 1978-1979 Chevrolet Malibu, 1985-1985 Chevrolet C10, 1985-1985 Chevrolet K10, 1985-1985 Chevrolet K20, 1985-1985 Chevrolet K20, 1985-1985 Chevrolet K30, 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
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Oldsmobile Cutlass
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!