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Genuine Subaru WRX STI Spark Plug

Ignition Spark Plug
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3 Spark Plugs found

  • Diagram for Subaru WRX STI Spark Plug - 22401AA830
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    Subaru WRX STI Spark Plug

    Part Number: 22401AA830
    $24.22 MSRP: $35.10
    You Save: $10.88 (31%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Manufacturer Note: ILKAR8H6
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2015-2020 Subaru WRX STI | Base, Limited, Premium | 2.0L H4
  • Diagram for Subaru WRX STI Spark Plug - 22401AA670
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    Subaru WRX STI Spark Plug

    Part Number: 22401AA670
    $14.96 MSRP: $21.68
    You Save: $6.72 (31%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Manufacturer Note: NGK:SILFR6A
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2015-2018 Subaru WRX STI | Base, Limited, Premium | 2.5L H4 Turbo
  • Subaru WRX STI Spark Plug - 22401AA910
    Diagram for Subaru WRX STI Spark Plug - 22401AA910
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    Subaru WRX STI Plug-Spark

    Part Number: 22401AA910
    $20.69 MSRP: $29.98
    You Save: $9.29 (31%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Manufacturer Note: ILFR7H
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2018-2020 Subaru WRX STI | Base, Limited, Premium, S209, Type RA | 2.5L H4 Turbo

Subaru WRX STI Spark Plug

The Subaru WRX STI Spark Plug ignites the air fuel mixture at the right time for quick throttle response and reliable power delivery. Designed with a tough ceramic insulator and a strong metal shell, this Spark Plug channels high voltage to its fine tip. This creates a precise arc that fires up to 1,200 times a minute while cruising. The relentless energy ensures that each WRX STI cylinder burns cleanly, reducing chances of misfires. This results in smooth acceleration over thousands of miles. The factory Spark Plug for the 2015 onward WRX STI sedans works to resist fouling so the turbocharged 2.5 liter engine will hold boost without hesitation. Subaru's options with iridium or platinum tips provide longer service intervals, meaning less downtime and more time carving corners. The Spark Plug generates a hotter and more concentrated spark which results in fuller combustion. It also helps achieve better fuel efficiency and lower emissions which aid overall vehicle safety. The product is fit for every modern WRX STI across its launch year model or contemporary model as drivers can fit the same trusted Spark Plug. An engineered gap ensures consistent flame kernel growth while a ribbed insulator design inhibits flashover, showing how these features earn the Spark Plug a Subaru reputation made for racing and road use. Subaru tunes ignition timing for this part. So, nothing else will provide the right amount of throttle response or temperature. Therefore, the genuine Spark Plug maintains optimum boost, timing and detonation control. The stout build works in tandem with larger brakes, a firmer suspension and wider tires that give the WRX STI its cornering grip, while Subaru testing confirms it fires at idle or full boost. The WRX STI legend owes its success to that balance.

Our website stands as the go-to online destination for OEM Subaru WRX STI Spark Plug. With complete lines of genuine Subaru WRX STI Spark Plug available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

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