Spark Plugs

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Your Subaru vehicle requires ignition in order to start. That only occurs thanks to the factory spark plugs, which provide the initial flash that ignites the mixture of air and fuel inside your vehicle's engine.

How Do Spark Plugs Work?

That flash is created when the spark plugs fire an arc of electricity across gaps between their leads. Those gaps are precisely calibrated to provide the ideal sparking required to kindle the mixture inside the combustion chamber.

If your model has a diesel engine, though, it uses glow plugs instead of spark plugs. These have a heating element in their tip, which ignites the fuel mist thatÕs sprayed into the engine cylinder.

How Do You Recognize Failing Spark Plugs?

Eventually, though, your spark plugs will weaken. Maybe they've become corroded. Perhaps the gaps have grown too far apart to produce an effective spark. Signs of trouble include:

  • Engine misfires
  • Trouble starting your vehicle
  • Rougher engine idle than normal
  • The "Check Engine" dash light comes on

Why Trust Genuine Subaru Spark Plugs?

If you aren't experiencing any of these symptoms, consult your owner's manual to see when you need to replace your spark plugs. Changing yours before they pass their mileage rating ensures consistent, even performance.

Subaru makes their spark plugs to meet your model's needs, delivering the kind of guaranteed compatibility that just can't be matched. Our online auto parts department has a great selection in stock and ready to ship, so buy now to save both time and money!

Spark Plug
Part Number: 22401AA370
Other Names: Spark Plug Platinum
Description: Vendor:NGK. Vendor #PFR6B-11.
Fits:
  • Subaru:
    • Legacy,
    • SVX
MSRP $13.50
$10.45
MSRP $13.50
$10.45
Spark Plug
Part Number: 22401AA630
Description: 2.5L turbo. 3.0L.
Fits:
  • Subaru:
    • B9 Tribeca,
    • Baja,
    • Forester,
    • Impreza,
    • Legacy,
    • Outback
MSRP $19.58
$15.16
MSRP $19.58
$15.16
Spark Plug
Part Number: 22401AA751
Replaces: 22401AA750
Description: 3.6L.
Fits:
  • Subaru:
    • Legacy,
    • Outback,
    • Tribeca
MSRP $21.25
$16.45
MSRP $21.25
$16.45
Spark Plug
Part Number: 22401AA801
Replaces: 22401AA800
Fits:
  • Subaru:
    • BRZ
MSRP $27.50
$21.29
MSRP $27.50
$21.29
Spark Plug
Part Number: 22401AA820
Description: With hybrid.
Fits:
  • Subaru:
    • Crosstrek,
    • XV Crosstrek
MSRP $35.83
$25.80
MSRP $35.83
$25.80
Spark Plug
Part Number: 22401AA910
Description: ILFR7H. Spark Plug Fits STI, WRX 2.5L, w/o Type ra.
Fits:
  • Subaru:
    • WRX STI
MSRP $29.68
$22.97
MSRP $29.68
$22.97
Spark Plug
Part Number: 22401AA92A
Other Names: Spark Plug SILKFR8A6
Replaces: 22401AA920, 22401AA980
Description: 2.4L turbo.
Fits:
  • Subaru:
    • Ascent,
    • Legacy,
    • Outback,
    • WRX
MSRP $37.50
$27.00
MSRP $37.50
$27.00
Spark Plug
Part Number: 22401AA95A
Other Names: Plug Spark
Description: 2.5L.
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $26.62
$20.60
MSRP $26.62
$20.60
Spark Plug
Part Number: 22401AA530
Replaces: 22401AA531
Description: 2.0L.
Fits:
  • Subaru:
    • Impreza
MSRP $13.50
$10.45
MSRP $13.50
$10.45
Spark Plug
Part Number: 22401AA570
Other Names: Spark Plug 2.5L Platinum
Description: Vendor:NGK. Vendor #PFR5B-11.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy
MSRP $13.50
$10.45
MSRP $13.50
$10.45
Spark Plug
Part Number: 22401AA670
Description: 2.5L turbo. 2.5L, without type ra. Vendor:NGK. Vendor #silfr6a.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy,
    • Outback,
    • Tribeca,
    • WRX STI
MSRP $19.58
$15.16
MSRP $19.58
$15.16
Spark Plug
Part Number: 22401AA761
Replaces: 22401AA760
Description: 2.5L with turbo.
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $21.25
$16.45
MSRP $21.25
$16.45
Spark Plug
Part Number: 22401AA781
Replaces: 22401AA780
Description: Without turbo, 2011-13. 2.5L without turbo. Without hybrid.
Fits:
  • Subaru:
    • Crosstrek,
    • Forester,
    • Impreza,
    • Legacy,
    • Outback,
    • XV Crosstrek
MSRP $27.50
$21.29
MSRP $27.50
$21.29
Spark Plug
Part Number: 22401AA120
Replaces: 22401AA130, 420545702, 420547700, SOA528000
Description: Vendor:NGK. Vendor #bpr6es-11. To 06/1990.
Fits:
  • Subaru:
    • Brat,
    • DL,
    • GL,
    • GL-10,
    • Justy,
    • Loyale,
    • RX,
    • Standard,
    • XT
MSRP $4.55
$3.52
MSRP $4.55
$3.52
Spark Plug
Part Number: 22401AA731
Replaces: 22401AA730
Description: 2.5L without turbo.
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $19.00
$14.71
MSRP $19.00
$14.71
Spark Plug
Part Number: 22401AA880
Replaces: 22401AA89A
Description: Quantity RequiRed: 4. DILKAR7B8. Spark Plug Fits Crosstrek, Impreza 2.0L.
Fits:
  • Subaru:
    • Crosstrek,
    • Impreza
MSRP $34.17
$24.60
MSRP $34.17
$24.60
Spark Plug
Part Number: 22401AA940
Description: 2.0L hybrid. 2.5L.
Fits:
  • Subaru:
    • Crosstrek,
    • Forester
MSRP $35.83
$25.80
MSRP $35.83
$25.80
Spark Plug
Part Number: 22401AA310
Replaces: 22401AA450, 22401AA540, 22401AA550, 22401KA210
Description: Vendor:NGK. Vendor #BKR6E-11. Vendor:champion. Vendor #RC7YC4. 2.5L, 2003-04. Exc.Calif.
Fits:
  • Subaru:
    • Baja,
    • Forester,
    • Impreza,
    • Legacy,
    • Outback
MSRP $4.65
$3.60
MSRP $4.65
$3.60
Spark Plug
Part Number: 22401AA580
Fits:
  • Subaru:
    • Outback
MSRP $14.95
$11.57
MSRP $14.95
$11.57
Spark Plug
Part Number: 22401AA65A
Other Names: Plug Spark
Replaces: 22401AA650
Description: 2.5L, 2005-08. Without turbo, 2009-10. Calif. Vendor:NGK. Vendor #FR5AP-11.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy,
    • Outback
MSRP $14.25
$11.03
MSRP $14.25
$11.03
Spark Plug
Part Number: 22401AA830
Description: 2.0L.
Fits:
  • Subaru:
    • Forester,
    • WRX
MSRP $34.75
$25.02
MSRP $34.75
$25.02
Spark Plug Wire
Part Number: 22452KA131
Other Names: Cable, Spark Plug Cord
Replaces: 22452KA070, 22452KA130
Description: Justy. Without fuel injection. #2. Cylinder 2.
Fits:
  • Subaru:
    • Justy
MSRP $19.37
$14.99
MSRP $19.37
$14.99
Spark Plug Wire
Part Number: 22454AA130
Other Names: Cable, Spark Plug Cord
Description: To 04/1997. Cylinder 4. Forester. #4. Impreza. 2.5l. #4.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy
MSRP $24.03
$18.60
MSRP $24.03
$18.60
Spark Plug Wire
Part Number: 22451AA040
Other Names: Cable, Spark Plug Cord
Description: Cylinder 2. Loyale. #2.
Fits:
  • Subaru:
    • DL,
    • GL,
    • GL-10,
    • Loyale,
    • XT
MSRP $15.27
$11.82
MSRP $15.27
$11.82
Spark Plug Wire
Part Number: 22451AA060
Other Names: Cable, Spark Plug Cord
Description: Cylinder 4. Loyale. #4.
Fits:
  • Subaru:
    • DL,
    • GL,
    • GL-10,
    • Loyale,
    • XT
MSRP $15.27
$11.82
MSRP $15.27
$11.82
Spark Plug Wire
Part Number: 22451AA73A
Other Names: Cable CP Ht
Description: Cylinder 2.
Fits:
  • Subaru:
    • Legacy
MSRP $17.43
$13.49
MSRP $17.43
$13.49
Spark Plug Wire
Part Number: 22451AA80A
Other Names: Cable, Cable CP Ht
Description: Legacy. 2.5l. #3. Outback. 2.5l. #3. Baja. Without turbo. #3. Cylinder 3.
Fits:
  • Subaru:
    • Baja,
    • Legacy,
    • Outback
MSRP $17.43
$13.49
MSRP $17.43
$13.49
Spark Plug Wire
Part Number: 22452AA660
Other Names: Cable, Spark Plug Cord
Description: Legacy. 2.5l. #2. From 05/1997. Cylinder 2.
Fits:
  • Subaru:
    • Legacy
MSRP $21.82
$16.89
MSRP $21.82
$16.89
Spark Plug Wire
Part Number: 22451AA640
Other Names: Cable CP Ht
Replaces: 22451AA481
Description: Japan Built. Cylinder 1,3. Boot Color-Black.
Fits:
  • Subaru:
    • Impreza,
    • Legacy
MSRP $19.63
$15.20
MSRP $19.63
$15.20
Spark Plug Wire
Part Number: 22451AA730
Other Names: Plug Wire, Cable, Spark Plug Cord
Description: Forester. #2. Legacy. All. #2. Cylinder 2.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy
MSRP $32.22
$24.94
MSRP $32.22
$24.94
Spark Plug Wire
Part Number: 22451AA750
Other Names: Cable, Spark Plug Cord
Replaces: 22451AA760
Description: Legacy. 2.5l. #1. From 05/1997. Cylinder 1,3.
Fits:
  • Subaru:
    • Legacy
MSRP $21.82
$16.89
MSRP $21.82
$16.89
Spark Plug Wire
Part Number: 22451AA92A
Other Names: Cable, Cable CP Ht
Description: Legacy/Outback. 2.5l. #1. Calif. Cylinder 1. Cylinder 3.
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $17.43
$13.49
MSRP $17.43
$13.49
Spark Plug Wire
Part Number: 22451AA93A
Other Names: Cable, Cable CP Ht
Description: Legacy/Outback. 2.5l. #2. Calif. Cylinder 2. Cylinder 4.
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $17.43
$13.49
MSRP $17.43
$13.49
Spark Plug Wire
Part Number: 22451AA72A
Other Names: Cable, Cable CP Ht
Description: Legacy. 2.5l. #1. Outback. 2.5l. #1. Baja. Without turbo. #1. Cylinder 1.
Fits:
  • Subaru:
    • Baja,
    • Legacy,
    • Outback
MSRP $17.43
$13.49
MSRP $17.43
$13.49
Spark Plug Wire
Part Number: 22451AA81A
Other Names: Cable, Cable CP Ht
Replaces: 22448AA00A
Description: Legacy. 2.5l. #2. Outback. 2.5l. #2. Baja. Without turbo. #2. Cylinder 2,4.
Fits:
  • Subaru:
    • Baja,
    • Legacy,
    • Outback
MSRP $17.43
$13.49
MSRP $17.43
$13.49
Spark Plug Tube Seal
Part Number: 10966AA030
Other Names: Gasket Spark Plug Pipe
Replaces: 10966AA000, 10966AA020
Fits:
  • Subaru:
    • Baja,
    • Forester,
    • Impreza,
    • Legacy,
    • Outback
MSRP $5.42
$4.19
MSRP $5.42
$4.19
Spark Plug Wire Set
Part Number: SOA430Q110
Other Names: Ignition Wire Set 76 To 84
Replaces: SOA430Q100, SOA550000, SOA560000
Fits:
  • Subaru:
    • Brat
MSRP $27.28
$21.12
MSRP $27.28
$21.12
Spark Plug Wire Set
Part Number: SOA430Q113
Other Names: Ignition Wire Set XT6
Replaces: SOA430Q103
Fits:
  • Subaru:
    • XT
MSRP $36.05
$25.96
MSRP $36.05
$25.96
Spark Plug Wire Set
Part Number: SOA430Q115
Other Names: Spark Plug Wire, Ignition Wire Set Legacy
Replaces: 22451AA570, SOA430Q105
Description: Boot Color-Red.
Fits:
  • Subaru:
    • Impreza,
    • Legacy
MSRP $52.12
$37.52
MSRP $52.12
$37.52
Spark Plug Wire Set
Part Number: SOA430Q111
Other Names: Ignition Wire Set 85 To 92
Replaces: SOA430Q101
Fits:
  • Subaru:
    • DL,
    • GL,
    • GL-10,
    • Loyale
MSRP $27.28
$21.12
MSRP $27.28
$21.12
Cable
Part Number: 22451AA620
Other Names: Spark Plug Cord
Description: Legacy. 2.5l. #1. Forester. #2. Impreza. 2.5l. #2, #3.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy
MSRP $24.03
$18.60
MSRP $24.03
$18.60
Cable
Part Number: 22451AA120
Other Names: Spark Plug Cord
Description: Loyale. #1.
Fits:
  • Subaru:
    • Loyale
MSRP $15.27
$11.82
MSRP $15.27
$11.82
Cable
Part Number: 22451AA580
Other Names: Spark Plug Cord
Description: Legacy. 2.5l. #3. Forester. #1. Impreza. 2.5l. #1.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy
MSRP $21.82
$16.89
MSRP $21.82
$16.89
Cable
Part Number: 22451AA630
Other Names: Spark Plug Cord
Replaces: 22452AA112
Description: Impreza. 1.8l. #2, #4.
Fits:
  • Subaru:
    • Impreza
MSRP $21.82
$16.89
MSRP $21.82
$16.89
Cable
Part Number: 22454AA120
Other Names: Spark Plug Cord
Description: Legacy. 2.5l. #4.
Fits:
  • Subaru:
    • Legacy
MSRP $21.82
$16.89
MSRP $21.82
$16.89
Cable
Part Number: 22453KA110
Other Names: Spark Plug Cord
Replaces: 22453KA111
Description: Justy. With fuel injection. #3.
Fits:
  • Subaru:
    • Justy
MSRP $15.27
$11.82
MSRP $15.27
$11.82
Plug Wire
Part Number: 22451AA720
Other Names: Cable, Spark Plug Cord
Description: Impreza. Forester. #1. Legacy. 2.5L, #1 cylinder. 2.5L, 2003-04, #1.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy
MSRP $21.10
$16.33
MSRP $21.10
$16.33
Plug Wire
Part Number: 22451AA810
Other Names: Cable, Spark Plug Cord
Description: Impreza. All. #2. Forester. #4. Legacy. All. #4. 2.5L, #2 cylinder. 2.5L, 2003-04, #2.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy
MSRP $21.10
$16.33
MSRP $21.10
$16.33
Plug Wire
Part Number: 22451AA800
Other Names: Cable, Spark Plug Cord
Description: Impreza. Forester. #3. Legacy. 2.5L, #3 cylinder. 2.5L, 2003-04, #3.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy
MSRP $21.10
$16.33
MSRP $21.10
$16.33
Valve Cover Gasket
Part Number: 13293AA051
Options: Left Inner, Right Inner, Inner
Other Names: Valve Cover Seal, Engine Valve Cover Washer Seal, Spark Plug Tube Seal, Valve Cover Inner Seal, Gasket Rocker Cover No 2
Replaces: 13293AA040, 13293AA050
Fits:
  • Subaru:
    • B9 Tribeca,
    • Baja,
    • Forester,
    • Impreza,
    • Legacy,
    • Outback,
    • Tribeca,
    • WRX STI
MSRP $9.95
$7.70
MSRP $9.95
$7.70
Spark Plug Cord
Part Number: 22451AA080
MSRP $15.27
$11.82
MSRP $15.27
$11.82

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