2017 Subaru WRX STI Ignition and Tune-Up Products

Name: Knock Sensor
Brand: Carquest Premium
SKU: SBC3818
Price: 82.99 USD

Below you will find various in-demand Subaru Ignition and Tune-Up Products, components and accessories for your 2017 WRX STI. Advance Auto Parts has popular WRX STI parts like Spark Plugs, Ignition Sensors, Ignition Coils and Boots and more. You’ll also find aftermarket and OEM Ignition and Tune-Up Products for other WRX STI model years including 2015, 2016, 2018, 2019, 2020, 2021 and more. Select a category of 2017 Subaru WRX STI Ignition and Tune-Up Products below and start saving instantly.

Popular 2017 Subaru WRX STI Ignition and Tune-Up Products Categories

Spark Plugs

Ignition Coils

Knock Sensors

Essential Ignition and Tune-Up Products for 2017 Subaru WRX STIs

from

$82.99

Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All Carquest Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
Designed to meet or exceed all OEM specifications in fit, form & function
Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.

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$63.99

Check engine light on and vehicle running rough? Could be a failed knock sensor. This ignition knock sensor kit combines both necessary sensors and the wiring harness that joins them for a complete repair in one package.

Product Features:

Complete solution – this knock sensor kit includes two knock sensors and the wiring harness that connects them
Plug-and-play installation – matches original wiring harness, requiring no cutting or splicing
Quality assured – benchmarked against original components for performance and quality
Excellent value – original equipment quality at significant cost savings

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$12.29

The Iridium Power Spark Plug features the world’s smallest Iridium Center Electrode at just 0.4mm, delivering unmatched spark precision for maximum combustion and performance. Engineered with a patented 360-degree laser welding assembly process, it ensures durability and reliability even under extreme conditions. The U-groove and taper-cut ground electrode design optimizes flame propagation, while its ability to withstand temperatures exceeding 4000 Deg F guarantees long-lasting performance. Burnished nickel plating enhances resistance to high temperatures and corrosion, making it ideal for a wide range of applications, including classic and collector cars. This spark plug requires 5,000 fewer volts to fire compared to conventional plugs, ensuring superior performance, enhanced horsepower, and improved fuel efficiency. Whether you’re seeking faster starts, fewer misfires under heavy loads, or better overall engine efficiency, this Iridium Power Spark Plug is designed to deliver exceptional results.

Product Features:

World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
Patented 360-degree laser welding assembly process
U-groove and taper cut ground electrode to maximize flame propagation.
Withstands temperatures greater than 4000 degree Fahrenheit
Burnished nickel plating for high temperature endurance and superior corrosion resistance
Wide range of part numbers for thousands of applications, including classic and collector cars
Iridium Power
Superior Performance: This spark plug requires 5,000 less volts to fire compared to conventional spark plugs, providing maximum performance even under extreme conditions.
Enhanced Horsepower and Efficiency: Experience more horsepower, faster and easier starts, fewer misfires under heavy loads, and better fuel efficiency with the DENSO Iridium Power spark plug.

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$10.99

Autolite Iridium Ultra Laser Fine wire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.

Product Features:

Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
Nickel-plated shell to resist corrosion.
High-alumina ceramic insulator for increased strength.
Laser welded 0.5mm Iridium finewire center electrode.
Proprietary platinum sidewire technology.

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$3.99

Autolite Copper spark plugs are designed to deliver reliable performance, ensuring quick starts and the power your vehicle demands. Featuring a copper core center electrode, these plugs excel in thermal control and resist fouling, while the high nickel alloy center and ground electrodes provide extended life and durability. The high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, offering superior strength. With a corrosion-resistant nickel-plated shell, these spark plugs are built to withstand the test of time. Engineered for optimal fuel efficiency, they help you save on gas while delivering smooth acceleration for an improved driving experience. Meeting or exceeding Original Equipment Service (OES) design Standards, Autolite Copper spark plugs are a trusted choice backed by over a century of engineering expertise and the sale of over 11 billion plugs. Designed with a flat seat type and mid-projection standard electrode, these spark plugs are the industry standard for dependable performance.

Product Features:

The copper core center electrode aids in thermal control and improves resistance to fouling.
Its specially engineered high nickel alloy center and ground electrode provides extended life.
The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Good Fuel Economy: Designed to optimize fuel efficiency, these spark plugs help you get the most out of every gallon of gas.
Smooth Acceleration: Experience seamless and smooth acceleration with Autolite Copper Core spark plugs, enhancing your driving experience.
OES Design Compliance: These spark plugs are crafted to meet or exceed Original Equipment Service (OES) design requirements, ensuring high-quality performance.
Industry Standard: Autolite Copper Core spark plugs are recognized as the industry standard, backed by over 100 years of engineering expertise and the sale of over 11 billion plugs.

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$18.99

Engineered to meet the highest OE standards for performance, durability, and emissions, this Iridium Long-Life Spark Plug is a top-tier choice for your vehicle. Featuring DENSO’s patented Iridium Alloy with a 90% Iridium fine wire center electrode, it delivers exceptional spark performance and longevity. The platinum ground electrode ensures extended life, while the 360-degree laser welding process guarantees a robust bond and structural integrity. Designed to endure extreme temperatures exceeding 4,000 Deg F, this spark plug is perfect for high-performance ignition systems and special fuel setups. With a lifespan of over 100,000 miles, it lasts up to three times longer than conventional plugs, offering unmatched reliability and value. The flat seat type ensures a secure fit, making it a durable and efficient solution for your ignition system needs.

Product Features:

Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
Platinum ground electrode for extended life
DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
Sustained spark performance over 100,000 miles
Lasts up to three times as long as conventional plugs
Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
Iridium Long Life

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$10.99

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Product Features:

0.6 mm finewire design improves ignitability
Patented V-trimmed platinum sidewire technology resists wear
OE equivalent design is engineered for every engine
Designed for better overall durability with virtually no gap erosion
Double Iridium-Enhanced Alloy Technology Center Electrode: Offers improved durability and wear resistance for a longer-lasting spark plug.
Designed and Engineered in the USA: Reflects over 100 years of Autolite’s engineering experience and expertise.
Gasket Seat Type: Ensures a secure and proper fit for optimal performance.

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$7.99

The U-Groove Spark Plug features a patented U-groove ground electrode design that enhances ignitability, allowing for leaner fuel mixtures and improved engine efficiency. Built with a nickel center electrode tip and a flat seat type, this spark plug ensures reliable performance and compatibility with a wide range of vehicles, including classic and collector cars. Precision machine-rolled threads minimize the risk of seizing or cross-threading in aluminum heads, making installation smooth and secure. Designed to last twice as long as conventional plugs, it delivers over 30,000 miles of dependable operation. Each plug is 100% pre-fired to guarantee consistent performance, making it an excellent choice for maintaining OE-level performance in your engine.

Product Features:

Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
Wide range of part numbers for thousands of applications, including classic and collector cars
Lasts twice as long as most conventional plugs
100 percent pre-fired to assure reliable operation
U-Groove Conventional

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$12.99

Experience the perfect blend of durability and performance with this Iridium TT Spark Plug. Engineered with a 0.4mm Iridium Center Electrode, the world’s smallest diameter, it maximizes firing potential for unmatched ignition efficiency. The 0.7mm Needle Tip Ground Electrode enhances spark energy while minimizing heat quenching, ensuring consistent performance. Built with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of iridium for superior durability, even under extreme conditions exceeding 4000 Deg F. The 360-degree laser welding process guarantees a robust bond and structural integrity, making it a reliable choice for long-term use. Designed to deliver the durability of an OE-style plug while enhancing power and torque, this spark plug is a high-performance upgrade for your vehicle. With its flat seat type and advanced materials, it ensures optimal compatibility and efficiency, making it a valuable addition to any engine.

Product Features:

0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
Durability of an OE style plug combined with Power and Torque of high performance.
Withstands temperatures greater than 4000 degree Fahrenheit
Iridium TT

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$23.99

NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.

Product Features:

ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
Superior Durability: The iridium-tipped center electrode is six times harder than platinum, ensuring long-lasting performance.
High-Quality Materials: Constructed with high-grade pure alumina ceramic and a 98% pure copper core to prevent overheating and ensure reliable starts.
Engineered for OE Applications: Specifically designed and tested to meet the highest standards for original equipment applications.
Reliable Performance: Tested to the highest standards to ensure quality, durability, and consistent performance.

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$8.49

The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.68 is a 14mm, 1.000 reach plug with a gasket seat. It fits a wide variety of late model applications, especially Hemi applications. E3.68 is widely stocked in automotive retail stores. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.

Product Features:

E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
Wide Compatibility: E3.68 spark plugs are 14mm with a 1.000 reach and a gasket seat, fitting a wide variety of late model applications, especially Hemi engines.
Enhanced Heat Transfer: The three legs securing the Diamond FIRE electrode to the shell ensure excellent heat transfer and create more turbulence in the cylinder for better combustion.
Widely Available: E3.68 spark plugs are widely stocked in automotive retail stores, making them easily accessible for consumers.

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$16.99

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Product Features:

SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver superior acceleration and enhanced fuel efficiency, making them ideal for performance enthusiasts.
Extreme Ignitability and Anti-Fouling: These spark plugs offer exceptional ignitability and anti-fouling properties, ensuring reliable performance and longevity.

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$21.99

NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.

Product Features:

ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: SPE tip & iridium alloy center electrode produce the most advanced OE spark plug technology
IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
SPE DESIGN: Square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
RECOMMENDED USAGE: Best for vehicles with OE SPE iridium alloy plugs
High Grade Pure Alumina Ceramic: Prevents overheating and ensures reliable starts, enhancing overall engine performance.
Raised Platinum Pad or Platinum Fine Wire Tip: Ensures even wear in distributorless ignition systems, improving spark performance and longevity.
OE Series Design: Engineered specifically for original equipment applications, tested to the highest standards for quality and durability.

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$8.99

The Double Platinum Power Spark Plug is engineered for drivers seeking enhanced performance and durability. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, this premium spark plug ensures greater wear resistance and sharper spark focus for reliable ignition. Its Heat-Active alloy optimizes electrode temperature under all engine loads, delivering consistent performance and improved ignitability. The V-trimmed ground electrode further enhances spark precision, while the flat seat design ensures a secure fit. Designed as a standard replacement, this spark plug is equipped with a resistor to minimize electrical interference. Built to maintain stable operating temperatures and withstand demanding conditions, it offers long-lasting performance and exceptional value for your vehicle.

Product Features:

Double Platinum Power – Premium Spark Plug. More Powerful Performance.
Platinum center and ground electrode for greater wear resistance
Maintains stable operating temperature under all engine loads
Fine-wire center electrode for greater ignitability
V-trimmed ground electrode promotes sharper spark focus
Heat-Active alloy allows electrodes to reach optimal temperature

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$4.99

Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, better acceleration, and improved fuel efficiency. The platinum firing tip resists gap erosion, extending service life, while the high alumina ceramic insulator enhances thermal conductivity and insulation for added strength. A multi-rib insulator prevents flash-over, and the nickel-plated shell offers exceptional corrosion resistance for long-lasting durability. Designed with a mid-projection standard center electrode and nickel ground electrode tip, these spark plugs deliver reliable performance under demanding conditions. Engineered in the USA with over a century of expertise and backed by the sale of over 11 billion plugs, Autolite Platinum spark plugs are a trusted choice for drivers seeking enhanced engine efficiency and durability.

Product Features:

Engineered with a platinum firing tip that prevents gap erosion for longer service life.
Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
The multi-rib insulator prevents flash-over.
Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Engineered in the USA: Backed by over 100 years of engineering expertise and over 11 billion plugs sold.

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$108.99

Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.

Product Features:

Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues

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$99.99

Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

Built by IATF 16949 certified manufacturers for consistent durability
Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
Segmented secondary bobbins to distribute high voltage and prevent shorting
100% end-of-line tested to ensure proper performance
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

Upgrade your 2017 Subaru WRX STI with Top-Quality Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2017 Subaru WRX STI, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Subaru or enhancing its overall performance, Ignition and Tune-Up Products are key to keeping your WRX STI functioning at its best. At Advance Auto Parts, we offer a wide selection of 16 Ignition and Tune-Up Products for the 2017 Subaru WRX STI, designed to meet your needs without breaking the bank. From Spark Plug replacements to Ignition Sensors upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Ignition and Tune-Up Products for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Ignition and Tune-Up Products for your 2017 Subaru WRX STI at great prices. Our Ignition and Tune-Up Products inventory for this model ranges from just $3.99 to $99.99, with an average price of $25.45. Our 16 Ignition and Tune-Up Products in stock come from 6 trusted brands, so you’re sure to find the right part for your 2017 Subaru WRX STI without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2017 Subaru WRX STI, we stock popular OEM and aftermarket Ignition and Tune-Up Products from top names like NGK, Autolite, DENSO, and more. NGK Ignition and Tune-Up Products start at just $14.99 and boast an impressive 4.8 stars average rating from customers. Autolite and DENSO also bring quality to the table, with Ignition and Tune-Up Products available starting at $3.99, and at an average 4.6 stars rating. With 992 customer reviews and counting, our 2017 Subaru WRX STI Ignition and Tune-Up Products have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Ignition and Tune-Up Product upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2017 Subaru WRX STI is always ready to roll. We’re committed to providing you with everything you need to keep your WRX STI in top shape, all in one place. Start shopping confidently below for your 2017 Subaru WRX STI!

Best-Selling Spark Plugs for 2017 Subaru WRX STIs

Enhance the driving experience in your Subaru with 13 quality Spark Plug components, starting at $3.99.

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from

$12.99

0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
Durability of an OE style plug combined with Power and Torque of high performance.
Withstands temperatures greater than 4000 degree Fahrenheit
Iridium TT

from

$21.99

ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: SPE tip & iridium alloy center electrode produce the most advanced OE spark plug technology
IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
SPE DESIGN: Square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
RECOMMENDED USAGE: Best for vehicles with OE SPE iridium alloy plugs
High Grade Pure Alumina Ceramic: Prevents overheating and ensures reliable starts, enhancing overall engine performance.
Raised Platinum Pad or Platinum Fine Wire Tip: Ensures even wear in distributorless ignition systems, improving spark performance and longevity.
OE Series Design: Engineered specifically for original equipment applications, tested to the highest standards for quality and durability.

from

$3.99

The copper core center electrode aids in thermal control and improves resistance to fouling.
Its specially engineered high nickel alloy center and ground electrode provides extended life.
The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Good Fuel Economy: Designed to optimize fuel efficiency, these spark plugs help you get the most out of every gallon of gas.
Smooth Acceleration: Experience seamless and smooth acceleration with Autolite Copper Core spark plugs, enhancing your driving experience.
OES Design Compliance: These spark plugs are crafted to meet or exceed Original Equipment Service (OES) design requirements, ensuring high-quality performance.
Industry Standard: Autolite Copper Core spark plugs are recognized as the industry standard, backed by over 100 years of engineering expertise and the sale of over 11 billion plugs.

from

$14.99

NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug, Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

Product Features:

HIGH IGNITABILITY PROJECTED SQUARE PLATINUM ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with a unique cut-back PSPE ground electrode
RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
PSPE DESIGN: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
RECOMMENDED USAGE: Modern vehicles using OE PSPE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
High Ignitability Design: Ensures a more complete fuel burn, resulting in quicker throttle response, smoother idle, and better cold starts.
Specialized OEM Tip Designs: Features patented DFE and PSPE tip designs for optimal performance in modern vehicles.
Industry-Leading Durability: Ruthenium center electrode provides exceptional durability, making it a reliable choice for long-term use.

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$8.99

Double Platinum Power – Premium Spark Plug. More Powerful Performance.
Platinum center and ground electrode for greater wear resistance
Maintains stable operating temperature under all engine loads
Fine-wire center electrode for greater ignitability
V-trimmed ground electrode promotes sharper spark focus
Heat-Active alloy allows electrodes to reach optimal temperature

from

$10.99

0.6 mm finewire design improves ignitability
Patented V-trimmed platinum sidewire technology resists wear
OE equivalent design is engineered for every engine
Designed for better overall durability with virtually no gap erosion
Double Iridium-Enhanced Alloy Technology Center Electrode: Offers improved durability and wear resistance for a longer-lasting spark plug.
Designed and Engineered in the USA: Reflects over 100 years of Autolite’s engineering experience and expertise.
Gasket Seat Type: Ensures a secure and proper fit for optimal performance.

from

$4.99

Engineered with a platinum firing tip that prevents gap erosion for longer service life.
Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
The multi-rib insulator prevents flash-over.
Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Engineered in the USA: Backed by over 100 years of engineering expertise and over 11 billion plugs sold.

from

$6.99

Double Platinum Spark Plug offers enhanced durability and performance with its platinum-to-platinum design, effectively reducing gap erosion and minimizing misfires for a longer service life. Engineered for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. Featuring a mid-projection center electrode and flat seat type, this performance-grade spark plug is built with platinum-tipped electrodes for consistent ignition and lasting reliability. Designed to deliver exceptional value, it is a dependable choice for maintaining peak engine performance.

Product Features:

Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
The multi-rib insulator prevents flash-over.
Designed with a mid-projection center electrode and flat seat type to ensure consistent ignition and reliable performance in demanding conditions.

from

$12.29

World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
Patented 360-degree laser welding assembly process
U-groove and taper cut ground electrode to maximize flame propagation.
Withstands temperatures greater than 4000 degree Fahrenheit
Burnished nickel plating for high temperature endurance and superior corrosion resistance
Wide range of part numbers for thousands of applications, including classic and collector cars
Iridium Power
Superior Performance: This spark plug requires 5,000 less volts to fire compared to conventional spark plugs, providing maximum performance even under extreme conditions.
Enhanced Horsepower and Efficiency: Experience more horsepower, faster and easier starts, fewer misfires under heavy loads, and better fuel efficiency with the DENSO Iridium Power spark plug.

from

$10.99

Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
Nickel-plated shell to resist corrosion.
High-alumina ceramic insulator for increased strength.
Laser welded 0.5mm Iridium finewire center electrode.
Proprietary platinum sidewire technology.

from

$16.99

SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver superior acceleration and enhanced fuel efficiency, making them ideal for performance enthusiasts.
Extreme Ignitability and Anti-Fouling: These spark plugs offer exceptional ignitability and anti-fouling properties, ensuring reliable performance and longevity.

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$18.99

Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
Platinum ground electrode for extended life
DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
Sustained spark performance over 100,000 miles
Lasts up to three times as long as conventional plugs
Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
Iridium Long Life

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$14.99

NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:

SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs

Top Picks for 2017 Subaru WRX STI Ignition Coils and Boots

Upgrade Subaru WRX STIs with top-quality Ignition Coils and Boots parts, including 1 OEM and aftermarket selections for your 2017 model.

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from

$99.99

Built by IATF 16949 certified manufacturers for consistent durability
Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
Segmented secondary bobbins to distribute high voltage and prevent shorting
100% end-of-line tested to ensure proper performance
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

Top-Rated Ignition and Tune-Up Products Brands For Your 2017 Subaru WRX STI

Shop for the best-rated brands offering Ignition and Tune-Up Products and other products for your 2017 Subaru WRX STIs. Below you’ll find some of our best rated Ignition and Tune-Up Products from NGK, Autolite, and DENSO, and more. Ignition and Tune-Up Products from these brands that fit a 2017 WRX STI start at just $3.99 and are rated as high as 4.8 stars. OEM and aftermarket Ignition and Tune-Up Products don’t get more top quality, durable, and affordable than from the brands below.

Popular NGK 2017 Subaru WRX STI Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2017 Subaru WRX STI, using quality Ignition and Tune-Up Products is essential to ensure durability and a perfect fit. NGK ticks all of those boxes. We offer a wide selection of NGK Ignition and Tune-Up Products, specifically designed for the 2017 Subaru WRX STI. With over 2 NGK brand Ignition and Tune-Up Products in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $14.99, with an average price of just $18.49. Plus, with over 17 customer reviews and an average rating of 4.8 stars, you can trust that our NGK Ignition and Tune-Up Products will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $14.99

(1)

Ruthenium HX Spark Plug (LFR6BHX): High Ignitability & Durability

“I took the risk on this new Ruthenium spark plug technology, and so far it seems to be paying off. I’m replacing the stock NGK Laser Iridiums that cam”

from $21.99

(16)

Laser Iridium Spark Plug (SILFR6A): High Ignitability & Durability

“Great products !”

Popular Autolite 2017 Subaru WRX STI Ignition and Tune-Up Products

Autolite auto parts is one of the highest quality Ignition and Tune-Up Product brands in the market. Any 2017 Subaru WRX STI owner should feel confident when installing genuine Autolite parts in their vehicle. To ensure the best fit and performance for your 2017 WRX STI, Advance Auto Parts carries a full inventory of 3 Autolite Ignition and Tune-Up Products. Plus you will be keeping your Subaru in peak condition while saving money because prices on these Autolite Ignition and Tune-Up Products range from $3.99 to $10.99, plus, with more than 298 customer reviews and an impressive 4.6 stars average rating, you can be confident the Fram Ignition and Tune-Up Products below will deliver on both quality and value.

from $3.99

(1)

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability

“Comes pre gapped and affordable”

from $4.99

(131)

Platinum Spark Plug: Enhanced Durability & Improved Performance

“Perfect fit, runs better”

from $10.99

(166)

Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition

“Great”

FAQs for 2017 Subaru WRX STI Ignition and Tune-Up Products

Which Ignition and Tune-Up Products are best-sellers for 2017 Subaru WRX STIs?

Out of 16 Ignition and Tune-Up Products that fit 2017 Subaru WRX STIs, the following parts are the top sellers:

Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision (12102063) – $10.99
Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20 (20650535) – $12.29
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKH20TT (10713002) – $12.99

What’s the price range for 2017 Subaru WRX STI Ignition and Tune-Up Products?

Ignition and Tune-Up Product prices for the 2017 Subaru WRX STI start at $3.99 and go up to $99.99 for the most premium parts.

What’s the average price of a Ignition and Tune-Up Product for a 2017 Subaru WRX STI?

The average price for Ignition and Tune-Up Products for the 2017 Subaru WRX STI is $25.45. Keep in mind the variety of part types within our Ignition and Tune-Up Product category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Ignition and Tune-Up Products for other Subaru WRX STI model years?

Yes, we currently carry Ignition and Tune-Up Products for 5 model years of Subaru WRX STIs between 2015 and 2021. Ignition and Tune-Up Products are bought most frequently for the following model years: 2021, 2020, 2019, 2018, 2016, and 2015.

What are the cheapest Ignition and Tune-Up Products for my 2017 Subaru WRX STI?

The cheapest 2017 Subaru WRX STI Ignition and Tune-Up Products we carry in stock are:

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (11015588) – $3.99
Platinum Spark Plug: Enhanced Durability & Improved Performance (11015495) – $4.99
Double Platinum Spark Plug: Enhanced Durability & Performance (20650247) – $6.99
Double Platinum Power Spark Plug (REC10PYPB4): Enhanced Ignitability & Durability (10095040) – $8.99
Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (15650200) – $10.99

What are the top-rated Ignition and Tune-Up Products that fit the 2017 Subaru WRX STI?

Out of 992 reviews by customers, our 2017 Subaru WRX STI Ignition and Tune-Up Products have an average customer rating of . These are some of the highest-rated Ignition and Tune-Up Product types for the 2017 Subaru WRX STI and their top-rated products:

Spark Plugs
- Ruthenium HX Spark Plug (LFR6BHX): High Ignitability & Durability (12069656) – $14.99
- Double Platinum Power Spark Plug (REC10PYPB4): Enhanced Ignitability & Durability (10095040) – $8.99
- Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKH20TT (10713002) – $12.99

What types of Ignition and Tune-Up Products do you sell for my 2017 Subaru WRX STI?

As of 11/2/25, these are some of the most in-demand types of Ignition and Tune-Up Products for a 2017 Subaru WRX STI:

Can I get help with 2017 Subaru WRX STI Ignition and Tune-Up Product orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Subaru Ignition and Tune-Up Products and more.

What is your return policy for Subaru WRX STI Ignition and Tune-Up Products?

Advance Auto Parts keeps returns simple. For new Subaru WRX STI Ignition and Tune-Up Products and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2017 Subaru WRX STI Ignition and Tune-Up Products

Carquest Premium – Knock Sensor (Part No.SBC3818)

Dorman – Engine Knock Sensor And Harness Kit (Part No.962-701)

DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20 (Part No.5344)

Autolite Iridium – Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision (Part No.AI5325)

Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.5325)

DENSO – Iridium Long-Life Spark Plug: OE Performance, SK20HPR-L11 (Part No.3433)

Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5325)

DENSO – U-Groove Spark Plug: OE Performance, K20HR-U11 (Part No.3381)

DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKH20TT (Part No.4704)

NGK – Laser Iridium Spark Plug (ILFR7H): Fine Wire Tip for Precision (Part No.5245)

E3 – DiamondFIRE Automotive Spark Plug: More Power, Saves Gas (Part No.E3.68)

NGK – Iridium IX Spark Plug (LFR6AIX): Extreme Ignitability & Durability (Part No.93893)

NGK – Laser Iridium Spark Plug (SILFR6A): High Ignitability & Durability (Part No.7913)

Champion – Double Platinum Power Spark Plug (REC10PYPB4): Enhanced Ignitability & Durability (Part No.7975)

Autolite – Platinum Spark Plug: Enhanced Durability & Improved Performance (Part No.AP5325)

Delphi – Ignition Coil (Part No.GN10678)

Carquest Premium – Ignition Coil (Part No.EBC1128)

DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKH20TT (Part No.4704)

NGK – Laser Iridium Spark Plug (SILFR6A): High Ignitability & Durability (Part No.7913)

Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.5325)

NGK – Ruthenium HX Spark Plug (LFR6BHX): High Ignitability & Durability (Part No.93420)

Champion – Double Platinum Power Spark Plug (REC10PYPB4): Enhanced Ignitability & Durability (Part No.7975)

Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5325)

Autolite – Platinum Spark Plug: Enhanced Durability & Improved Performance (Part No.AP5325)

Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP5325)

DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20 (Part No.5344)

Autolite Iridium – Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision (Part No.AI5325)

NGK – Iridium IX Spark Plug (LFR6AIX): Extreme Ignitability & Durability (Part No.93893)

DENSO – Iridium Long-Life Spark Plug: OE Performance, SK20HPR-L11 (Part No.3433)

NGK – G-Power Platinum Spark Plug (LFR6CGP): Enhanced Durability & Efficiency (Part No.1483)

Carquest Premium – Knock Sensor (Part No.SBC3818)

Dorman – Engine Knock Sensor And Harness Kit (Part No.962-701)

Carquest Premium – Ignition Coil (Part No.EBC1128)