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NGK Spark Plugs


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NGK Subaru pre-gapped spark plugs for Impreza (RS, TS), Outback, Forester, Legacy and Baja models. Per plug pricing, most models take 4 spark plugs. 

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Smart Quality Parts offers an industry leading 2 YEAR, UNLIMITED MILEAGE warranty on all parts purchased. If a part fails within this time period we will replace it or refund the full value of the part purchased. Visit our Terms page to see our entire policy.

Ready To Install Spark Plugs

We have trusted NGK spark plugs since we opened our doors and can't remember a time that one has ever let us or a customer down. These are high quality OE replacement plugs, pre-gapped and ready to install in your car. Most plugs have a service life of 30k or 60k miles depending on your model and are straight forward to install, making this a no brainer if you are performing service work or have the engine apart for a head gasket repair. Make sure you enter your full VIN before you place your order so we can make sure you get the correct parts for your car.

Since 1936, NGK Spark Plugs has been the world leader in technology, innovation, and world-class quality in the design of spark plugs and oxygen sensors. Our commitment to excellence continues to be the driving force behind the company’s advanced research and development programs. Ceramics, at the core of superior spark plug technology, spawned the creation of NTK Technical Ceramics. Additional lines of products followed; NGK Wire Sets, NTK Oxygen Sensors, NTK Knock Sensors and a variety of other NTK sensors. Today, the company manufactures spark plugs and oxygen sensors for virtually every automotive manufacturer in the world, and has set some groundbreaking industry firsts along the way including:

  • Introduction of copper core spark plugs to the consumer market.

  • The pioneering development of new ceramics and its revolutionary application to integrated computer circuitry.

  • Introduction of the "V-Groove" spark plug, which proved ideal for clean-burning, lower-emission engines.

  • Introduction of iridium spark plugs for OEM and performance markets.

  • Continuing environmental and anti-pollution efforts.

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