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Subaru Legacy Spark Plug Wire

28 items

Spark plug wires carry high voltage from the ignition coil or distributor to the spark plugs on engines equipped with separate ignition leads. Their insulated cables and boots help keep that voltage on its intended path to the plugs.

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Walker Products 924-1980 Spark Plug Wire SetWalker Products 924-1980 Spark Plug Wire Set
Walker ProductsPart # 924-1980
Walker Products 924-1980 Spark Plug Wire Set
4.73 Reviews
$44.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1997-1997 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1980
item #1001PU7S
Show less
Walker Products 924-2063 Spark Plug Wire Set
Walker ProductsPart # 924-2063
Walker Products 924-2063 Spark Plug Wire Set
4.73 Reviews
$46.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2006 Subaru Legacy, 2005-2005 Subaru Legacy, 2005-2005 Subaru Legacy, 2005-2005 Subaru Outback, 2005-2005 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity4
Part interchange
924-2063, 35-4437, 55004, FX101, 4731, 9752, 27590, 35-77114, 
...View more
item #1001PQDS
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Spark Plug Wire Set - Denso 671-4234
DensoPart # 671-4234
Spark Plug Wire Set - Denso 671-4234
51 Reviews
$47.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996-1996 Subaru Legacy, 1995-1996 Subaru Impreza, 1993-1994 Subaru Impreza, 1990-1995 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4234, 35-4267, 621, 407, 6714234, FX55, FX31, 904S, 
...View more
item #100316SL
Show less
Spark Plug Wire Set - Denso 671-4304
DensoPart # 671-4304
Spark Plug Wire Set - Denso 671-4304
51 Reviews
$55.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005-2005 Subaru Legacy, 2005-2005 Subaru Outback, 2004-2004 Subaru Legacy, 2004-2004 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4304
item #100318L0
Show less
Walker Products 924-1985 Spark Plug Wire Set
Walker ProductsPart # 924-1985
Walker Products 924-1985 Spark Plug Wire Set
4.73 Reviews
$48.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1998-1999 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1985, 35-4294, 4796, 9639, 4791, 27556, 9147, 9125, 
...View more
item #1001PRZZ
Show less
Walker Products 924-1981 Spark Plug Wire Set
Walker ProductsPart # 924-1981
Walker Products 924-1981 Spark Plug Wire Set
4.73 Reviews
$41.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2003-2006 Subaru Baja, 2002-2004 Subaru Impreza, 2001-2004 Subaru Outback, 2000-2004 Subaru Legacy, 2000-2000 Subaru Outback, 1999-2003 Subaru Forester, 1999-2001 Subaru Impreza, 1999-1999 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1981, 35-4436, 35-4279, 8691, FX58, 4731, 4796, 9640, 
...View more
item #1001PQ3V
Show less
Spark Plug Wire Set - Denso 671-4246
DensoPart # 671-4246
Spark Plug Wire Set - Denso 671-4246
51 Reviews
$54.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2006 Subaru Baja, 2004-2004 Subaru Legacy, 2004-2004 Subaru Outback, 2003-2005 Subaru Baja, 2002-2004 Subaru Impreza, 2001-2003 Subaru Outback, 2000-2003 Subaru Legacy, 2000-2000 Subaru Outback, 1999-2004 Subaru Forester, 1999-2001 Subaru Impreza, 1999-1999 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4246, 35-4279, 673, MSW2760, 6714246, FX58, 964H, 974F, 
...View more
item #100313L8
Show less
Spark Plug Wire Set - Denso 671-4244
DensoPart # 671-4244
Spark Plug Wire Set - Denso 671-4244
51 Reviews
$64.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1998-1998 Subaru Forester, 1998-1998 Subaru Impreza, 1997-1997 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4244, 35-4277, 660, 6714244, FX54, FX45, FX58, 954X, 
...View more
item #100316V4
Show less
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What Spark Plug Wires Do

Spark plug wires carry high voltage from the ignition coil or distributor to the spark plugs on engines equipped with separate ignition leads. Their insulated cables and boots help keep that voltage on its intended path to the plugs.

A-Premium offers wire sets for selected engines with different wire counts, lengths and connections. Match the exact application and ignition layout, then check the terminal ends and boot angles; wire diameter alone does not establish fit.

Inspecting And Replacing Ignition Wires

Heat damage, cuts or loose connections can interfere with spark delivery and contribute to misfires or rough running. Inspect the wires, boots, spark plugs and ignition components before deciding what needs replacement; similar symptoms can have other causes.

Keep each lead connected to the correct terminal and route it away from hot or moving components using the specified supports. Wire manufacturers recommend replacing leads one at a time and pulling on the boot rather than the cable. On distributor-equipped systems, also inspect the cap and distributor rotor as separate components.

Frequently Asked Questions (FAQ)

Does the number of wires always equal the number of cylinders?

The contents depend on the ignition layout: some distributor systems also use a separate coil wire. Check the selected set's listed contents and the vehicle application instead of choosing by cylinder count alone.

Why do wire length and boot angle matter?

The lead must reach the correct connection without stretching and follow a safe route around the engine. Boot shape and angle affect how it seats at the plug or coil and help it clear nearby parts.

Are spark plug wires used on every ignition system?

Some engines use individual coils mounted directly on the spark plugs with insulated coil boots instead of conventional long plug leads. Identify the installed ignition design before choosing wires or boots.

Does a thicker spark plug wire automatically improve ignition performance?

Wire diameter alone does not describe its resistance, terminals or compatibility. Choose the wire construction and specifications appropriate to the ignition system rather than assuming a larger diameter provides an upgrade.

What can damage a spark plug wire before it wears out?

A wire can be burned by nearby exhaust heat, cut by a sharp edge or damaged when the cable is pulled instead of its boot. Correct routing and secure supports help keep the replacement away from these hazards.

Related Categories

Spark Plug
Spark Plug
Ignition Coils & Spark Plugs Kits
Ignition Coils & Spark Plugs Kits
Ignition Coil
Ignition Coil
Engine Air Filter
Engine Air Filter
Fuel Injector
Fuel Injector
Ignition Distributor
Ignition Distributor

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