Spark Plugs
availability
A key part of your Subaru’s ignition system would be your spark plugs. They’re responsible for generating the electricity necessary for powering up your engine. They ignite an air-fuel mixture inside your vehicle at a critical time. If they wear out and aren’t working properly, you may have issues with starting the vehicle. At the very least, you may see an increase in fuel consumption, or have rough idling. Get your spark plugs replaced when needed.
Spark Plug
Subaru
22401AA910
ILFR7H.
Spark Plug
Fits STI, WRX 2.5L, w/o Type ra.
$21.59
MSRP $29.98
Save $8.39
28% Off 
Spark Plug
Subaru
22401AA670
2.5L turbo. 2.5L, without type ra. Vendor:NGK. Vendor #silfr6a.
$15.61
MSRP $21.68
Save $6.07
28% Off 
Spark Plug Wire
Subaru
22451AA72A
Legacy. 2.5l. #1. Outback. 2.5l. #1. Baja. Without turbo. #1. Cylinder 1.
$13.50
MSRP $18.75
Save $5.25
28% Off 
Spark Plug Wire
Subaru
22451AA93A
Legacy/Outback. 2.5l. #4. Calif. Cylinder 2. Cylinder 4.
$13.50
MSRP $18.75
Save $5.25
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