2011 Subaru WRX Ignition Systems

    • E3®Spark Plug
      $7.44$5.95
      (0)
      Subaru WRX 2458 CC 2011, 1" Spark Plug by E3®, 1 Piece. With Gasket Seat. Thread Size: 14 mm. Hex Size: 5/8". If you need a replacement for your damaged spark plug, this is the part you should have. Featuring unique DiamondFire...
      Advanced DiamondFire electrode designProduces a faster burn
      # 12195099
    • Karlyn STI®Direct Ignition Coil
      $49.96$39.97
      (0)
      Subaru WRX STI / WRX STI Limited EJ257 Engine 2011, Direct Ignition Coil by Karlyn STI®. STI. 4 Required per Vehicle. The ignition coil is one of the most important part in the ignition system. Ignition Coil aimed to provide the...
      # 39118317
    • Genuine®Knock Sensor
      $169.28$135.42
      (0)
      Subaru WRX 2011, Knock Sensor by Genuine®. Note: Located: Under Intake Manifold. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need...
      # 8781858
    • Denso®Iridium Power™ Spark Plug
      $14.45$11.56
      (0)
      Subaru WRX 2011, Iridium Power™ Spark Plug by Denso®, 1 Piece, Gap 0.044. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair,...
      OE quality parts from top original equipment and aftermarket manufacturerFast shipping; 1-2 day delivery time regardless of where you’re located
      # 21061383
    • Motorcraft®Double Platinum Spark Plug
      $10.78$8.62
      (0)
      Subaru WRX 2458 CC 2011, Double Platinum Spark Plug by Motorcraft®, 1 Piece. Gap: .044. If you need to replace your worn-out spark plugs, Motorcraft is the way to go. Engineered specifically for your vehicle, their high melting...
      Direct OEM replacementRecommended by Ford Motor Company
      # 24440463
    • NGK®Spark Plug
      $13.36from $10.69
      (0)
      Subaru WRX 2011, Spark Plug by NGK®, 1 Piece. With a solid copper core, triple-gasket sealing, corrosion resistant plating, cold-rolled threads, and corrugated ribs, these products provide a powerful spark for reliable performance,...
      Designed for consistent performanceMeet OE quality, fit, and function
      # 22274964
    • Champion®Iridium Spark Plug
      $10.13$8.10
      (0)
      Subaru WRX 2011, Iridium Spark Plug by Champion®, 1 Piece, Gap: 0.032. Built using more than 30 years' experience in manufacturing iridium spark plugs, these Champion products offer maximum performance. With a fine-wire iridium...
      Designed to provide dependable performance and long-lasting service lifeIridium center electrode and "laser-locked" platinum ground electrode ensure maximum life
      # 22234990
    • Autolite®Spark Plug
      $7.13from $5.70
      (0)
      Subaru WRX EJ255 Engine / EJ257 Engine 2011, Spark Plug by Autolite®, 1 Piece, Gap: 0.03. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth...
      Designed for good conductivity and a strong spark for efficient combustionImprove engine power and fuel economy
      # 22439104
    Guides & Articles
    Since their inception at the start of the 20th century, motor vehicles with gasoline burning engines have needed a precise way to deliver an electrical spark to each of the engine's cylinders. (Note that diesel engines do not rely on an electrical spark to ignite the fuel-air mixture.) For much of the past 100 years, the spark has been delivered by the ignition...
    The question of whether to buy parts from an automotive dealer vs. ones from aftermarket manufacturers is as age-old as the automobile itself. Below, we'll take a look at things worth considering to help you make a better choice if you're facing that same question. Automobile manufacturers and dealerships always advertise the fact that their parts are "genuine"...
    This article will guide you through a generic tune up on most any car or light duty gasoline-powered vehicle built within the last 20 years or so. We will presume that you are tuning up your engine because it has reached the mileage or time point to do so, and that you are NOT performing a tune up to cure an engine performance defect. We make this distinction...
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