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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Buick Century Spark Plug Wire
75 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 # XS10235
Spark Plug Wire Set - Delphi XS10235
4.645 Reviews
$51.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-1999 Oldsmobile Alero, 1999-1999 Pontiac Grand Am, 1999-1999 Pontiac Montana, 1997-1999 Buick Century, 1997-1999 Chevrolet Lumina, 1997-1999 Chevrolet Malibu, 1997-1999 Chevrolet Monte Carlo, 1997-1999 Chevrolet Venture, 1997-1999 Oldsmobile Cutlass, 1997-1999 Oldsmobile Silhouette, 1997-1999 Pontiac Grand Prix, 1997-1998 Buick Skylark, 1997-1998 Oldsmobile Achieva, 1997-1998 Pontiac Grand Am, 1997-1998 Pontiac Trans Sport, 1997-1997 Oldsmobile Cutlass Supreme
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10235, 2X1083, QW1218, 746V, 9746V, 116018, 35-PF77603, 86832,
...View moreitem #1001W9YZ
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DelphiPart # XS10390
Spark Plug Wire Set - Delphi XS10390
4.645 Reviews
$51.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005-2005 Pontiac Montana, 2004-2005 Buick Rendezvous, 2002-2003 Buick Rendezvous, 2001-2005 Buick Century, 2001-2005 Chevrolet Impala, 2001-2005 Chevrolet Monte Carlo, 2001-2005 Chevrolet Venture, 2001-2005 Pontiac Aztek, 2001-2005 Pontiac Grand Am, 2001-2004 Oldsmobile Alero, 2001-2004 Oldsmobile Silhouette, 2001-2004 Pontiac Montana, 2001-2003 Chevrolet Malibu, 2001-2003 Pontiac Grand Prix, 2001-2001 Chevrolet Lumina, 1999-1999 Oldsmobile Cutlass
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10390, QW1409, 2X1188, 726UU, 9726UU, 116047, 35-PF77689, 12192462,
...View moreitem #1001W93Y
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DelphiPart # XS10202
Spark Plug Wire Set - Delphi XS10202
4.645 Reviews
$57.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1986-1986 GMC Caballero, 1986-1986 GMC Caballero, 1985-1986 Chevrolet Camaro, 1985-1986 Chevrolet Caprice, 1985-1985 Chevrolet Impala, 1983-1986 GMC Caballero, 1983-1986 Pontiac Bonneville, 1983-1986 Pontiac Grand Prix, 1983-1986 Pontiac Parisienne, 1983-1984 Chevrolet C10, 1983-1984 Chevrolet C10, 1983-1984 Chevrolet C10 Suburban, 1983-1984 Chevrolet C10 Suburban, 1983-1984 Chevrolet C20, 1983-1984 Chevrolet C20, 1983-1984 Chevrolet C20 Suburban, 1983-1984 Chevrolet C20 Suburban, 1983-1984 Chevrolet C30, 1983-1984 Chevrolet Camaro, 1983-1984 Chevrolet Camaro
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10202, 30843, 2X1109, QW843, 608E, 9608E, 2629S, 2651SM,
...View moreitem #1001W97D
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SOLD
OUTDelphiPart # XS10260
Spark Plug Wire Set - Delphi XS10260
4.645 Reviews
$48.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1977-1977 Buick Century, 1977-1977 Buick Skylark, 1977-1977 Chevrolet C10, 1977-1977 Chevrolet C10, 1977-1977 Chevrolet C10 Suburban, 1977-1977 Chevrolet C10 Suburban, 1977-1977 Chevrolet C20, 1977-1977 Chevrolet C20, 1977-1977 Chevrolet C20 Suburban, 1977-1977 Chevrolet C20 Suburban, 1977-1977 Chevrolet C30, 1977-1977 Chevrolet Camaro, 1977-1977 Chevrolet Camaro, 1977-1977 Chevrolet Camaro, 1977-1977 Chevrolet Caprice, 1977-1977 Chevrolet Caprice, 1977-1977 Chevrolet Caprice, 1977-1977 Chevrolet Caprice, 1977-1977 Chevrolet Impala, 1977-1977 Chevrolet Impala
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10260, QW823, 2X1110, 608U, 9608U, 7927Q, 2600S, 12043741,
...View moreitem #1001WD0Y
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SOLD
OUTDelphiPart # XS10221
Spark Plug Wire Set - Delphi XS10221
4.645 Reviews
$44.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1994-1995 Buick Century, 1994-1995 Buick Century, 1994-1995 Oldsmobile Cutlass Ciera, 1994-1994 Oldsmobile Cutlass Cruiser, 1993-1993 Oldsmobile Cutlass Supreme
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10221, 2X1093, QW796, 726D, 9726D, 700790, 116042, 35-PF77602,
...View moreitem #1001WC2Z
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SOLD
OUTDelphiPart # XS10209
Spark Plug Wire Set - Delphi XS10209
4.645 Reviews
$47.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1991-1991 Oldsmobile Cutlass Ciera, 1991-1991 Oldsmobile Cutlass Cruiser, 1990-1990 Oldsmobile Cutlass Ciera, 1989-1991 Buick Century, 1989-1991 Buick Skylark, 1989-1991 Oldsmobile Cutlass Calais, 1989-1990 Oldsmobile Cutlass Ciera, 1989-1990 Oldsmobile Cutlass Ciera, 1989-1990 Oldsmobile Cutlass Ciera, 1989-1990 Oldsmobile Cutlass Cruiser
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10209, 2X1087, QW921, 626C, 9626C, 86126, 86197, 12073967,
...View moreitem #1001WCC2
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SOLD
OUTDelphiPart # XS10278
Spark Plug Wire Set - Delphi XS10278
4.645 Reviews
$40.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1987-1987 Buick Regal, 1985-1987 Oldsmobile Cutlass Salon, 1984-1984 Chevrolet Monte Carlo, 1984-1984 Pontiac Parisienne, 1983-1985 Buick LeSabre, 1983-1984 Buick LeSabre, 1983-1984 Buick Regal, 1983-1983 Chevrolet Monte Carlo, 1982-1987 Oldsmobile Cutlass Supreme, 1982-1986 Buick Regal, 1982-1985 Oldsmobile Delta 88, 1982-1984 Chevrolet Caprice, 1982-1984 Chevrolet El Camino, 1982-1984 Chevrolet Impala, 1982-1984 Oldsmobile Cutlass Calais, 1982-1983 Buick Regal, 1982-1983 Chevrolet Malibu, 1982-1983 Oldsmobile 98, 1982-1983 Pontiac Grand LeMans, 1982-1982 Buick LeSabre
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10278, 30833, QW833, 2X1073, 606M, 12043723, 671-6024, 1807,
...View moreitem #1001WCE5
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SOLD
OUTDelphiPart # XS10204
Spark Plug Wire Set - Delphi XS10204
4.645 Reviews
$48.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1991-1994 Isuzu Pickup, 1991-1993 GMC Sonoma, 1991-1992 Isuzu Rodeo, 1989-1991 Isuzu Trooper, 1986-1986 Buick Century, 1986-1986 Buick Century, 1986-1986 Buick Century, 1986-1986 Oldsmobile Cutlass Ciera, 1985-1993 Chevrolet S10, 1985-1990 GMC S15, 1985-1989 Chevrolet Camaro, 1985-1989 Chevrolet S10 Blazer, 1985-1989 GMC S15 Jimmy, 1985-1989 Pontiac Firebird, 1985-1986 Chevrolet Celebrity, 1985-1986 Pontiac 6000, 1985-1986 Pontiac 6000, 1985-1985 Buick Skylark, 1985-1985 Chevrolet Citation II
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10204, QW868, 2X1074, 706N, 9706N, 12043821, 12073926, 19170839,
...View moreitem #1001WCCY
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SOLD
OUTDelphiPart # XS10230
Spark Plug Wire Set - Delphi XS10230
4.645 Reviews
$37.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996-1997 Chevrolet Cavalier, 1996-1997 Pontiac Sunfire, 1996-1996 Buick Century, 1996-1996 Chevrolet Beretta, 1996-1996 Chevrolet Corsica, 1996-1996 Oldsmobile Cutlass Ciera
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10230, 2X1069, QW1121, 764D, 9764D, 114026, 35-PF77549, 700375,
...View moreitem #1001WESP
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SOLD
OUTDelphiPart # XS10280
Spark Plug Wire Set - Delphi XS10280
4.645 Reviews
$40.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1987-1987 Chevrolet LLV, 1986-1986 Buick Somerset, 1985-1987 Chevrolet S10, 1985-1987 Chevrolet S10 Blazer, 1985-1987 GMC S15, 1985-1987 GMC S15 Jimmy, 1985-1986 Buick Century, 1985-1986 Chevrolet Astro, 1985-1986 GMC Safari, 1985-1986 Oldsmobile Calais, 1985-1986 Pontiac Fiero, 1985-1986 Pontiac Grand Am, 1985-1985 Buick Somerset Regal, 1984-1986 Buick Skylark, 1984-1986 Chevrolet Camaro, 1984-1986 Chevrolet Celebrity, 1984-1986 Oldsmobile Cutlass Ciera, 1984-1986 Pontiac 6000, 1984-1986 Pontiac Firebird, 1984-1985 Chevrolet Citation II
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10280, 2X1016, QW854, 704J, 9704J, 700257, 700378, 780068,
...View moreitem #1001W91E
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SOLD
OUTDensoPart # 671-6024
Spark Plug Wire Set - Denso 671-6024
51 Reviews
$48.99
Enter ZIP codeFree standard shipping
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
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
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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SOLD
OUTDensoPart # 671-6014
Spark Plug Wire Set - Denso 671-6014
51 Reviews
$54.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1990-1994 Chevrolet Lumina, 1990-1993 Buick Regal, 1990-1993 Oldsmobile Cutlass Supreme, 1990-1993 Pontiac Grand Prix, 1990-1991 Pontiac Tempest, 1990-1990 Chevrolet Celebrity, 1989-1989 Oldsmobile Cutlass Supreme, 1988-1991 Pontiac 6000, 1988-1989 Buick Regal, 1988-1989 Pontiac Grand Prix, 1988-1988 Oldsmobile Cutlass Supreme, 1987-1989 Buick Century, 1987-1989 Chevrolet Celebrity, 1987-1989 Oldsmobile Cutlass Ciera, 1987-1989 Oldsmobile Cutlass Cruiser, 1987-1989 Pontiac 6000
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
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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SOLD
OUTDensoPart # 671-8067
Spark Plug Wire Set - Denso 671-8067
51 Reviews
$53.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1974-1974 Buick Century, 1974-1974 Buick Electra, 1974-1974 Buick LeSabre, 1974-1974 Buick LeSabre, 1974-1974 Buick Regal, 1973-1974 Buick Apollo, 1973-1974 Buick Century, 1973-1974 Buick Century, 1973-1974 Buick Century, 1973-1974 Buick Electra, 1973-1974 Buick Electra, 1973-1974 Buick Estate Wagon, 1973-1974 Buick LeSabre, 1973-1974 Buick LeSabre, 1973-1974 Buick Regal, 1973-1974 Buick Regal, 1973-1974 Buick Riviera, 1973-1973 Buick Centurion, 1973-1973 Buick Centurion, 1973-1973 Buick Century
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8067, 118069, 35-8323, 6718067, 96074, 700139, 508K, CH839,
...View moreitem #100314A2
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SOLD
OUTDensoPart # 671-8030
Spark Plug Wire Set - Denso 671-8030
51 Reviews
$53.99
Enter ZIP codeFree standard shipping
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: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8030, 118028, 35-8129, 6718030, 96279, 96282, 700251, 618F,
...View moreitem #100314SV
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SOLD
OUTDensoPart # 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: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8027, 118025, 35-8126, 6718027, 96282, 700251, 608N, 09647,
...View moreitem #1003166L
Show less
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!