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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Ford Spark Plug Wire
262 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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DensoPart # 671-8089
Spark Plug Wire Set - Denso 671-8089
51 Reviews
$62.99
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3-year warranty
90 days free return
Fits 1996-1996 Ford Econoline Super Duty, 1990-1997 Ford F-Super Duty, 1989-1997 Ford F-350, 1989-1996 Ford E-350 Econoline, 1989-1996 Ford E-350 Econoline Club Wagon, 1989-1996 Ford F-250, 1989-1991 Ford E-250 Econoline Club Wagon, 1988-1997 Ford F-53 Motorhome Chassis, 1987-1987 Ford E-350 Econoline
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Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8089, 128018, 35-8179, 6718089, 96891, 700773, 700774, 700939,
...View moreitem #100315HP
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DensoPart # 671-6115
Spark Plug Wire Set - Denso 671-6115
51 Reviews
$63.99
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3-year warranty
90 days free return
Fits 2004-2004 Ford Explorer, 2002-2003 Ford Explorer, 2001-2005 Mercury Mountaineer
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Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6115, 126046, 692, 35-6300, 6716115, FDZ081, FDZ080, 97050,
...View moreitem #1003166Q
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DensoPart # 671-6071
Spark Plug Wire Set - Denso 671-6071
51 Reviews
$43.99
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3-year warranty
90 days free return
Fits 1983-1983 Ford LTD, 1983-1983 Mercury Marquis, 1982-1982 Mercury Cougar, 1981-1982 Ford Granada, 1980-1982 Ford Thunderbird, 1980-1982 Mercury Cougar, 1979-1982 Ford Mustang, 1979-1982 Mercury Capri, 1978-1983 Ford Fairmont, 1978-1983 Mercury Zephyr, 1977-1980 Ford Granada, 1977-1980 Mercury Monarch, 1977-1977 Ford Granada, 1977-1977 Ford Maverick, 1977-1977 Ford Maverick, 1977-1977 Mercury Comet, 1977-1977 Mercury Comet, 1977-1977 Mercury Monarch
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Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6071, 35-6158, MSW1286, 6716071, 16-816A, 11-611M, 2X1295, QW827,
...View moreitem #100318PL
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DensoPart # 671-6076
Spark Plug Wire Set - Denso 671-6076
51 Reviews
$46.99
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3-year warranty
90 days free return
Fits 1995-1995 Ford Ranger, 1992-1994 Ford Tempo, 1992-1994 Mercury Topaz, 1990-1992 Ford Probe, 1990-1990 Ford Aerostar, 1988-1995 Mercury Sable, 1988-1989 Ford Aerostar, 1987-1987 Mercury Sable, 1986-1995 Ford Taurus, 1986-1987 Ford Aerostar, 1986-1986 Mercury Sable
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Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6076, 35-6163, 496, MSW1826, 6716076, FDZ030, 16-816E, 11-635M,
...View moreitem #100313NW
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DensoPart # 671-4211
Spark Plug Wire Set - Denso 671-4211
51 Reviews
$48.99
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3-year warranty
90 days free return
Fits 1994-1997 Ford Aspire, 1992-1993 Mazda MX-3, 1990-1992 Ford Probe, 1989-1989 Ford Probe, 1988-1993 Ford Festiva
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Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4211, 347, 380, 35-4241, 6714211, ZX19, 934T, 16-824D,
...View moreitem #100314HK
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DensoPart # 671-4051
Spark Plug Wire Set - Denso 671-4051
51 Reviews
$50.99
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3-year warranty
90 days free return
Fits 1989-1989 Ford Ranger, 1986-1987 Ford Aerostar, 1984-1986 Mercury Cougar, 1983-1988 Ford Ranger, 1983-1988 Ford Ranger, 1983-1988 Ford Thunderbird, 1983-1986 Ford LTD, 1983-1986 Mercury Marquis, 1981-1982 Ford Granada, 1981-1981 Mercury Cougar, 1980-1980 Ford Pinto, 1980-1980 Mercury Bobcat, 1979-1990 Ford Mustang, 1979-1986 Mercury Capri, 1978-1983 Ford Fairmont, 1978-1983 Mercury Zephyr, 1977-1979 Ford Pinto, 1977-1979 Mercury Bobcat, 1977-1978 Ford Mustang II, 1977-1977 Mercury Capri
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Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4051, 267, 35-4130, MSW1810, 6714051, 16-814H, 11-4076M, 2X1288,
...View moreitem #1002HVWK
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DensoPart # 671-4058
Spark Plug Wire Set - Denso 671-4058
51 Reviews
$53.99
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3-year warranty
90 days free return
Fits 2000-2002 Ford Escort, 1999-2002 Mercury Cougar, 1999-2000 Ford Escort, 1999-1999 Ford Contour, 1999-1999 Mercury Mystique, 1998-1999 Ford Escort, 1998-1999 Ford Escort, 1998-1999 Ford Escort, 1998-1999 Ford Escort, 1995-1998 Ford Contour, 1995-1998 Mercury Mystique
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4058, 35-4020, 741, MSW1864, 6714058, FDZ046, 52099, 16-814U,
...View moreitem #1002HXP9
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DensoPart # 671-8108
Spark Plug Wire Set - Denso 671-8108
51 Reviews
$125.99
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3-year warranty
90 days free return
Fits 2001-2001 Ford Explorer, 2001-2001 Mercury Mountaineer, 1999-2001 Laforza Laforza, 1998-2000 Ford Explorer, 1998-2000 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8108, 35-8198, MSW1871, 6718108, FDZ066, FDZ080, 16-828H, 11-8007S,
...View moreitem #100315H7
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DensoPart # 671-6087
Spark Plug Wire Set - Denso 671-6087
51 Reviews
$46.99
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3-year warranty
90 days free return
Fits 1996-1997 Ford Aerostar, 1996-1997 Ford Ranger, 1995-1996 Mazda B3000, 1995-1995 Ford Ranger
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6087, MSW1861, 35-6173, 664, 6716087, FDZ053, 16-816T, 936B,
...View moreitem #100315TP
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DensoPart # 671-8101
Spark Plug Wire Set - Denso 671-8101
51 Reviews
$95.99
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3-year warranty
90 days free return
Fits 1996-1998 Ford Mustang, 1994-1998 Laforza Laforza
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8101, MSW2913, 35-8191, 6718101, 16-828F, 11-8004M, 2X1324, QW1293,
...View moreitem #1003142V
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DensoPart # 671-4054
Spark Plug Wire Set - Denso 671-4054
51 Reviews
$53.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1991 Ford Ranger, 1989-1989 Ford Ranger
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4054, 124005, 35-4133, 6714054, 96050, 700459, 16-814N, 09642,
...View moreitem #1002HXT7
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Walker ProductsPart # 924-1552
Walker Products 924-1552 Spark Plug Wire Set
4.73 Reviews
$66.99
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3-year warranty
90 days free return
Fits 2019-2019 Ford Fiesta, 2018-2019 Ford Fiesta, 2018-2019 Ford Fiesta, 2018-2018 Ford Fiesta, 2014-2015 Ford Fiesta, 2011-2013 Ford Fiesta, 2011-2011 Chevrolet Impala, 2010-2013 Chevrolet Express Cargo, 2010-2010 Chevrolet Impala, 2009-2011 Buick Lucerne, 2009-2010 Volkswagen Routan, 2008-2014 Chevrolet Express 1500, 2008-2014 GMC Savana 1500, 2008-2010 Chrysler Town & Country, 2008-2010 Chrysler Town & Country, 2008-2010 Dodge Grand Caravan, 2008-2010 Dodge Grand Caravan, 2008-2009 Buick Allure, 2008-2009 Chevrolet Equinox, 2008-2009 Pontiac Torrent
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Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1552
item #1001PRCV
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Walker ProductsPart # 924-1802A
Walker Products 924-1802A Spark Plug Wire Set
4.73 Reviews
$58.99
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3-year warranty
90 days free return
Fits 1998-2001 Ford Ranger, 1998-2001 Mazda B2500, 1998-1998 Ford F-100 Ranger, 1996-1997 Ford F-100 Ranger, 1995-1997 Ford Ranger
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1802A, 3324, 9456, 187, 8HY-187, 26467, 29234, L-6145,
...View moreitem #1001PS9L
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Walker ProductsPart # 924-1553
Walker Products 924-1553 Spark Plug Wire Set
4.73 Reviews
$62.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2015-2015 Chevrolet Camaro, 2013-2014 Chevrolet Express 2500, 2013-2014 Chevrolet Express 3500, 2013-2013 Chevrolet Suburban 2500, 2012-2015 Chevrolet Caprice, 2012-2014 Chevrolet Suburban 1500, 2012-2012 Chevrolet Suburban 2500, 2011-2015 Ford F-250 Super Duty, 2011-2015 Ford F-350, 2011-2015 Ford F-350 Super Duty, 2011-2013 Chevrolet Silverado 3500, 2011-2013 GMC Yukon XL 2500, 2011-2013 Ram 1500, 2011-2011 Chevrolet Caprice, 2011-2011 Chevrolet Suburban 1500, 2011-2011 Ram Dakota, 2010-2015 Chevrolet Camaro, 2010-2014 Chevrolet Express Cargo, 2010-2014 Chevrolet Express Pasajeros, 2010-2014 Ford F-150
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Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1553
item #1001PSN3
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Walker ProductsPart # 924-2084
Walker Products 924-2084 Spark Plug Wire Set
4.73 Reviews
$51.99
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3-year warranty
90 days free return
Fits 2011-2015 Ford F-250 Super Duty, 2011-2015 Ford F-350, 2011-2015 Ford F-350 Super Duty, 2010-2014 Ford F-150
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
924-2084, 35-8353, 8845, 128046, 671-8173
item #1001PPVC
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Walker ProductsPart # 924-1939
Walker Products 924-1939 Spark Plug Wire Set
4.73 Reviews
$41.99
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3-year warranty
90 days free return
Fits 1999-2000 Ford F-100 Ranger, 1999-2000 Mazda B3000, 1998-2000 Ford Ranger
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1939, 35-6184, 3334, 9573, 8HY-3334, 29226, L-6249, CB-196,
...View moreitem #1001PRCE
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Walker ProductsPart # 924-1306
Walker Products 924-1306 Spark Plug Wire Set
4.73 Reviews
$59.99
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3-year warranty
90 days free return
Fits 1996-1997 Mazda MX-6, 1993-1994 Ford Probe, 1993-1994 Mazda 626, 1993-1994 Mazda MX-6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1306, 35-6076, 2995, 6451, 9436, 7151, OES390, 27676,
...View moreitem #1001PQ40
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Walker ProductsPart # 924-1326
Walker Products 924-1326 Spark Plug Wire Set
4.73 Reviews
$43.99
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3-year warranty
90 days free return
Fits 1983-1991 Ford E-250 Econoline Club Wagon, 1980-1992 Ford Bronco, 1977-1996 Ford E-150 Econoline, 1977-1996 Ford E-150 Econoline Club Wagon, 1977-1996 Ford E-250 Econoline, 1977-1996 Ford E-350 Econoline, 1977-1996 Ford E-350 Econoline Club Wagon, 1977-1996 Ford F-150, 1977-1996 Ford F-250, 1977-1996 Ford F-350, 1977-1983 Ford E-100 Econoline, 1977-1983 Ford E-100 Econoline Club Wagon, 1977-1983 Ford F-100, 1977-1980 Ford E-250 Econoline Club Wagon
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1326, 35-6165, 2962, 9074, 9394, 166, EL-2962, 26643,
...View moreitem #1001PP0Z
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Walker ProductsPart # 924-1852
Walker Products 924-1852 Spark Plug Wire Set
4.73 Reviews
$44.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2008 Mazda B3000, 2003-2008 Ford Ranger
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1852, 35-6340, 35-6341, 3347, 3354, 9610, 9699, 26696,
...View moreitem #1001PRZQ
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Walker ProductsPart # 924-1378
Walker Products 924-1378 Spark Plug Wire Set
4.73 Reviews
$46.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2000-2000 Ford Mustang, 1999-1999 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1378, 35-6185, 3306, 3341, 9452, 9544, 9604, 26685,
...View moreitem #1001PTG2
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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!