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 Mustang Spark Plug Wire
61 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 # 671-8074
Spark Plug Wire Set - Denso 671-8074
51 Reviews
$61.99
Low stock: Only 4 left
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3-year warranty
90 days free return
Fits 1981-1983 DeTomaso Pantera, 1977-1977 Ford Granada, 1977-1977 Ford LTD, 1977-1977 Ford LTD II, 1977-1977 Ford Maverick, 1977-1977 Ford Mustang II, 1977-1977 Ford Thunderbird, 1978-1978 Ford F-250, 1978-1978 Ford F-350, 1978-1978 Ford Mustang II, 1978-1979 Ford Fairmont, 1978-1979 Ford LTD, 1978-1979 Ford LTD II, 1978-1979 Ford Ranchero, 1978-1980 Ford Granada, 1978-1981 Ford Thunderbird, 1978-1983 Ford F-100, 1978-1984 Ford F-150, 1979-1979 Ford Mustang, 1979-1980 Ford E-250 Econoline Club Wagon
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Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8074, 35-8162, MSW1290, 6718074, 16-808V, 11-834M, 2X1319, QW837,
...View moreitem #1003167T
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Walker ProductsPart # 924-1304
Walker Products 924-1304 Spark Plug Wire Set
4.52 Reviews
$53.99
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3-year warranty
90 days free return
Fits 1977-1978 Ford Mustang II, 1977-1979 Ford Pinto, 1979-1979 Ford Mustang, 1975-1978 Mercury Bobcat, 1977-1977 Mercury Capri, 1979-1979 Mercury Bobcat, 1979-1979 Mercury Capri
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Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1304, 35-6191, 2618, 9076, 211, 216, 9457, 26632,
...View moreitem #1001PS00
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DensoPart # 671-6237
Spark Plug Wire Set - Denso 671-6237
51 Reviews
$64.99
Low stock: Only 3 left
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3-year warranty
90 days free return
Fits 2005-2006 Ford Mustang
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Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6237, 126050, 35-6336, 6716237
item #10031625
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Walker ProductsPart # 924-1553
Walker Products 924-1553 Spark Plug Wire Set
4.52 Reviews
$62.99
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3-year warranty
90 days free return
Fits 1960-1961 American Motors Rebel, 1960-1964 American Motors Ambassador, 1961-1962 American Motors Classic, 1963-1966 American Motors Classic, 1965-1966 American Motors Ambassador, 1965-1966 American Motors Classic, 1965-1966 American Motors Marlin, 1965-1967 American Motors Marlin, 1966-1966 American Motors Ambassador, 1966-1969 American Motors Ambassador, 1967-1967 American Motors American, 1967-1967 American Motors Marlin, 1967-1968 American Motors American, 1967-1968 American Motors Rebel, 1967-1969 American Motors Ambassador, 1967-1969 American Motors Rebel, 1968-1969 American Motors AMX, 1968-1969 American Motors AMX, 1968-1969 American Motors AMX, 1968-1969 American Motors Ambassador
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Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1553
item #1001PSN3
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DensoPart # 671-6103
Spark Plug Wire Set - Denso 671-6103
51 Reviews
$34.99
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3-year warranty
90 days free return
Fits 1960-1960 Ford Courier Sedan Delivery, 1960-1960 Ford Galaxie, 1960-1960 Ford Starliner, 1960-1960 Ford Sunliner, 1960-1960 Ford Victoria, 1960-1961 Ford Fairlane, 1960-1961 Ford Falcon, 1960-1961 Ford Ranchero, 1960-1964 Ford Country Sedan, 1960-1964 Ford Country Squire, 1960-1964 Ford Ranch Wagon, 1961-1961 Ford Falcon Sedan Delivery, 1961-1964 Ford Galaxie, 1962-1962 Ford Fairlane, 1962-1962 Ford Falcon, 1962-1962 Ford Falcon, 1962-1962 Ford Ranch Wagon, 1962-1963 Ford Club Wagon, 1962-1963 Ford Club Wagon, 1962-1964 Ford Falcon Sedan Delivery
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Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6103, 126033, 35-6188, MSW1903, 6716103, 96100, 700145, 700165,
...View moreitem #100315K4
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Walker ProductsPart # 924-1372
Walker Products 924-1372 Spark Plug Wire Set
4.52 Reviews
$50.99
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3-year warranty
90 days free return
Fits 1982-1982 Ford Granada, 1982-1983 Ford F-100, 1982-1983 Ford Thunderbird, 1983-1983 Ford LTD, 1983-1986 Ford Mustang, 1984-1984 Ford Thunderbird, 1984-1986 Ford LTD, 1985-1985 Ford Thunderbird, 1985-1985 Ford Thunderbird, 1985-1985 Ford Thunderbird, 1985-1985 Ford Thunderbird, 1985-1985 Ford Thunderbird, 1986-1987 Ford Thunderbird, 1982-1982 Lincoln Continental, 1983-1983 Mercury Marquis, 1983-1986 Mercury Capri, 1983-1987 Mercury Cougar, 1984-1986 Mercury Marquis
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1372, 35-6159, 2980, 9077, 26638, 4831, 4136, 6638,
...View moreitem #1001PPE8
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DensoPart # 671-6283
Spark Plug Wire Set - Denso 671-6283
51 Reviews
$68.99
Low stock: Only 4 left
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3-year warranty
90 days free return
Fits 2007-2008 Ford Mustang, 2009-2010 Ford Mustang
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Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6283, 126060, 6716283, 97113, 700589, 6686
item #100317VG
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Walker ProductsPart # 924-2037
Walker Products 924-2037 Spark Plug Wire Set
4.52 Reviews
$46.99
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3-year warranty
90 days free return
Fits 2005-2005 Ford Mustang
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Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-2037, 35-6336, 3349, 9700, 4735, 9498, CH7880, 700589,
...View moreitem #1001PTZZ
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Walker ProductsPart # 924-1298
Walker Products 924-1298 Spark Plug Wire Set
4.52 Reviews
$47.99
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3-year warranty
90 days free return
Fits 1975-1976 Ford Mustang II, 1975-1976 Ford Pinto, 1974-1974 Mercury Capri, 1976-1976 Mercury Capri, 1979-1979 Mercury Bobcat, 1979-1979 Mercury Capri
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1298, 35-6192, 2610, 9128, 9457, 9169, 29640, 35-77620,
...View moreitem #1001PPSQ
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Walker ProductsPart # 924-1272
Walker Products 924-1272 Spark Plug Wire Set
4.52 Reviews
$39.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1960-1960 Ford Courier Sedan Delivery, 1960-1960 Ford Galaxie, 1960-1960 Ford P-100, 1960-1960 Ford Starliner, 1960-1960 Ford Sunliner, 1960-1960 Ford Victoria, 1960-1961 Ford Country Sedan, 1960-1961 Ford Country Sedan, 1960-1961 Ford Country Squire, 1960-1961 Ford Country Squire, 1960-1961 Ford Fairlane, 1960-1961 Ford Falcon, 1960-1961 Ford Ranchero, 1960-1962 Ford Fairlane, 1960-1963 Ford Zephyr, 1960-1964 Ford Country Sedan, 1960-1964 Ford Country Squire, 1960-1964 Ford F-100, 1960-1964 Ford F-250, 1960-1964 Ford F-350
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1272, 35-6189, 35-6188, 2962, 9127, 103, 143, 9119,
...View moreitem #1001PU0H
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Walker ProductsPart # 924-1397
Walker Products 924-1397 Spark Plug Wire Set
4.52 Reviews
$51.99
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3-year warranty
90 days free return
Fits 1977-1977 Ford Bronco, 1977-1977 Ford F-100, 1977-1977 Ford F-150, 1977-1977 Ford F-250, 1977-1977 Ford F-350, 1977-1977 Ford Granada, 1977-1977 Ford Granada, 1977-1977 Ford LTD, 1977-1977 Ford LTD II, 1977-1977 Ford Maverick, 1977-1977 Ford Mustang II, 1977-1977 Ford Ranchero, 1977-1977 Ford Thunderbird, 1977-1978 Ford LTD, 1977-1978 Ford LTD II, 1977-1978 Ford Thunderbird, 1983-1987 Ford E-350 Econoline, 1983-1987 Ford F-250, 1983-1987 Ford F-350, 1983-1988 Ford E-250 Econoline Club Wagon
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1397, 35-8164, 35-8178, 2971, 2977, 9083, 217, 9050,
...View moreitem #1001PUDU
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Walker ProductsPart # 924-1392
Walker Products 924-1392 Spark Plug Wire Set
4.52 Reviews
$62.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1994-1995 Ford Thunderbird, 1994-1998 Ford Mustang, 1996-1996 Ford Thunderbird, 1997-1997 Ford Thunderbird, 1999-1999 Ford Mustang, 1994-1997 Mercury Cougar
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Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1392, 35-6170, 3306, 9544, 8HY-3306, 9450, 9452, 26673,
...View moreitem #1001PSP6
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Walker ProductsPart # 924-2023
Walker Products 924-2023 Spark Plug Wire Set
4.52 Reviews
$42.99
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3-year warranty
90 days free return
Fits 2001-2004 Ford Mustang, 2004-2004 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-2023, 35-6193, 3340, 9608, 26689, 98228, 35-87707, 832,
...View moreitem #1001PQAX
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Walker ProductsPart # 924-2083
Walker Products 924-2083 Spark Plug Wire Set
4.52 Reviews
$48.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2010 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-2083, 35-6353, 4735, 4762, 830, 9498, 3349, 9700,
...View moreitem #1001PSZY
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Walker ProductsPart # 924-1373
Walker Products 924-1373 Spark Plug Wire Set
4.52 Reviews
$44.99
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3-year warranty
90 days free return
Fits 1983-1986 Ford Mustang, 1984-1984 Ford Thunderbird, 1984-1986 Ford LTD, 1985-1985 Ford Thunderbird, 1985-1985 Ford Thunderbird, 1985-1985 Ford Thunderbird, 1985-1985 Ford Thunderbird, 1985-1985 Ford Thunderbird, 1986-1987 Ford Thunderbird, 1983-1986 Mercury Capri, 1984-1986 Mercury Marquis, 1984-1987 Mercury Cougar
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1373, 35-6161, 2980, 9077, 26646, L-6851, CB-106, 35-87615,
...View moreitem #1001PT8R
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Walker ProductsPart # 924-1396
Walker Products 924-1396 Spark Plug Wire Set
4.52 Reviews
$69.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1961-1961 Buick Special, 1961-1963 Buick Skylark, 1962-1963 Buick Special, 1963-1963 Cadillac Eldorado, 1960-1960 Ford Custom 300, 1960-1960 Ford Starliner, 1960-1960 Ford Sunliner, 1960-1960 Ford Victoria, 1960-1961 Ford Country Sedan, 1960-1961 Ford Country Squire, 1960-1961 Ford Galaxie, 1960-1962 Ford Thunderbird, 1960-1966 Ford Fairlane, 1960-1966 Ford Ranch Wagon, 1962-1963 Ford Country Sedan, 1962-1963 Ford Country Squire, 1962-1963 Ford Fairlane, 1962-1963 Ford Falcon, 1962-1963 Ford Galaxie 500, 1962-1963 Ford Ranch Wagon
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1396, 35-8194, 2801, 9165, 9167, 106, 109, 4840,
...View moreitem #1001PP8Q
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Walker ProductsPart # 924-1162
Walker Products 924-1162 Spark Plug Wire Set
4.52 Reviews
$35.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1962-1964 Ford Capri, 1962-1964 Ford Consul, 1964-1967 Ford Anglia, 1974-1974 Ford Mustang II, 1974-1974 Ford Pinto, 1974-1974 Mercury Capri
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1162, 35-4149, 2410, 9111, 205, 29430, 35-77210, 4195,
...View moreitem #1001PQA2
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Walker ProductsPart # 924-1202
Walker Products 924-1202 Spark Plug Wire Set
4.52 Reviews
$61.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1989-1994 Ford Ranger, 1991-1993 Ford Mustang, 1994-1994 Mazda B2300, 1992-1994 Mercury Topaz
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1202, 35-4018, 35-4133, 2969, 9382, 2991, EL-2969, 26462,
...View moreitem #1001PPEV
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DensoPart # 671-8091
Spark Plug Wire Set - Denso 671-8091
51 Reviews
$115.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1996-1998 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8091, 128020, 35-8181, 6718091, 96072, 700943, 16-818W, CH8885,
...View moreitem #1003180P
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DensoPart # 671-4051
Spark Plug Wire Set - Denso 671-4051
51 Reviews
$50.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1977-1978 Ford Mustang II, 1977-1979 Ford Pinto, 1978-1983 Ford Fairmont, 1979-1990 Ford Mustang, 1980-1980 Ford Pinto, 1981-1982 Ford Granada, 1983-1986 Ford LTD, 1983-1988 Ford Ranger, 1983-1988 Ford Ranger, 1983-1988 Ford Thunderbird, 1986-1987 Ford Aerostar, 1989-1989 Ford Ranger, 1977-1977 Mercury Capri, 1977-1979 Mercury Bobcat, 1978-1983 Mercury Zephyr, 1979-1986 Mercury Capri, 1980-1980 Mercury Bobcat, 1981-1981 Mercury Cougar, 1983-1986 Mercury Marquis, 1984-1986 Mercury Cougar
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Mustang
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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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!