2018 Subaru WRX STI Ignition and Tune-Up Products
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If you’re looking for an original Ignition and Tune-Up Products replacement for a 2018 Subaru WRX STI, you can search through our selection below. You’ll also find aftermarket and OEM Ignition and Tune-Up Products to meet your needs.
Essential 2018 Subaru WRX STI Ignition and Tune-Up Products
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5325)
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$9.99
Our best spark plug! 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.
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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.
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IKH20TT (Part No.4704)
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$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
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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 & Torque of high performance.
- Withstands temperatures greater than 4000° Fahrenheit
- Iridium TT
NGK – OE Series Laser Iridium Spark Plug: Standard Tip Design, ILFR7H (Part No.5245)
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$18.99
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.
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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.
Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement REC10PYPB4 (Part No.7975)
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$7.99
Champion® Double Platinum Power¿ spark plugs deliver more powerful performance. Featuring exclusive Heat-Active¿ alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus.
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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
DENSO – Iridium Power Spark Plug (Part No.F1000332672ND)
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$12.77
DENSO Iridium Power spark plugs represent a performance breakthrough. The laser-welded center electrode is only 0.4mm in diameter – the slimmest iridium electrode in the industry. The taper-cut side electrode complements the design, delivering reliable spark energy under the most gruelling pressures and temperatures. DENSO engineers used the power of this miraculous metal to produce an iridium center electrode that is only 0.4mm in diameter. With its superior thermal qualities, this whisker-fine electrode is capable of taking the most extreme heat and punishment. This breakthrough was matched to one of DENSO’s most famous innovations, the patented U-Groove ground electrode. The combination of these two features resulted in the Iridium Power® plug, one of the most advanced and innovative spark plugs on the market.
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Product Features:
- Tapered cut, U-Groove ground electrode
- 0.4mm iridium center electrode
- 360-degree laser welding assembly process
- Required ignition voltage reduced
- Unsurpassed center electrode durability
- Available for many performance and power sports applications, including Corvette, Viper, and Harley-Davidson The Iridium Power plug delivers greater spark energy while demanding significantly less secondary required voltage from the ignition system.
NGK – Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LFR6BHX (Part No.93420)
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$14.79
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.
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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.
ACDelco – Rapidfire Spark Plug (Part No.21)
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$5.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
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Product Features:
- Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
- Pure copper core provides great heat transfer and helps maximize plug durability
- Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
- Ribless insulator helps optimize plug to boot sea
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.5325)
from
$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.
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Product Features:
- Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
- Multi-rib insulator reduces danger of “flash-over”
- One-piece terminal post adds strength
- Resistor reduces radio frequency interference (RFI) and electrode erosion
- Quick Starts: Autolite Copper Core spark plugs are engineered to ensure your engine starts quickly and reliably every time.
- 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.
NGK – OE Series Laser Iridium High Ignitability Spark Plug: SPE Tip Design, SILFR6A (Part No.7913)
from
$17.99
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:
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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.
Encore Automotive – Genuine OE Ignition Knock (Detonation) Sensor (Part No.SKS-J50005)
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$93.99
Encore Automotive Genuine OE knock sensor detects excessive/unusual pulses caused by the engine ignition and makes proper adjustments to reduce the risk of damaging pistons. Encore Automotive is dedicated to bringing the latest original equipment technologies to the Aftermarket to provide the highest overall value.
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Product Features:
- Genuine OE Part
- Highly accurate engine vibration detection
- Excellent material quality
Carquest Premium – Knock Sensor (Part No.SBC3818)
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$73.99
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 MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.
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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.
Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1128)
from
$94.99
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.
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Product Features:
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
- 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
- Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure confidence and product reliability, every time.
Delphi – Ignition Coil (Part No.GN10678)
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$108.99
Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.
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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
Popular 2018 Subaru WRX STI Ignition and Tune-Up Products Categories
2018 Subaru WRX STI Ignition and Tune-Up Products
You count on your 2018 Subaru WRX STI to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Ignition and Tune-Up Products. With 17 Ignition and Tune-Up Products ranging in price from $3.49 to $94.99, you’re sure to find everything you need for your 2018 Subaru WRX STI.
Brands matter. If you want to shop a specific Ignition and Tune-Up Products brand, we stock 6 different brands like Autolite, DENSO, and NGK. 2018 Subaru WRX STI Ignition and Tune-Up Products start as low as $3.49!
One of the best ways to find top quality OEM or aftermarket Ignition and Tune-Up Products is by asking professionals. Short of that, you can shop with confidence thanks to our 992 extensive product reviews on 2018 Subaru WRX STI Ignition and Tune-Up Products. Some of the top-rated Ignition and Tune-Up Products products we carry are OE Series Laser Iridium High Ignitability Spark Plug: SPE Tip Design, SILFR6A with 4.8 stars and Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LFR6BHX with 5.0 stars.
Did we mention you can order your Ignition and Tune-Up Products from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Ignition and Tune-Up Products inventory for your 2018 Subaru WRX STI below to get started!
Top-Rated Ignition and Tune-Up Products Brands For Your 2018 Subaru WRX STI
Trusted Ignition and Tune-Up Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2018 Subaru WRX STI running right for years to come. In our inventory you’ll find brands like Autolite, DENSO, NGK, and even more.
Popular Champion Ignition and Tune-Up Products
You’ll find popular Champion brand products across Spark Plugs. All are waiting to get your 2018 Subaru WRX STI back on the road. Some of the top-rated Champion products in these categories are:
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$7.99
(2)
Double Platinum & Power Spark Plug Exceptional Perf OE Replacement REC10PYPB4
Spark Plugs
Top-Rated Autolite Ignition and Tune-Up Products
If Autolite are what you’re looking for, our inventory holds plenty. We stock Autolite brand Ignition and Tune-Up Products for your 2018 Subaru WRX STI, and some of our most reviewed Autolite parts include:
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$9.99
(166)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
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$4.79
(131)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
Spark Plugs
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$6.79
(87)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
FAQs for 2018 Subaru WRX STI Ignition and Tune-Up Products
What are the most purchased Ignition and Tune-Up Products for the 2018 Subaru WRX STI?
Out of 17 Ignition and Tune-Up Products for the 2018 Subaru WRX STI, the most popular in our inventory are:
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$10.99
This product is not rated
Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability
Spark Plugs
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$12.29
(76)
Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20
Spark Plugs
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$10.99
(16)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IKH20TT
Spark Plugs
What are the top-rated 2018 Subaru WRX STI Ignition and Tune-Up Products?
Top-rated Ignition and Tune-Up Products for your 2018 Subaru WRX STI based on customer reviews/ratings are:
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$17.99
(16)
OE Series Laser Iridium High Ignitability Spark Plug: SPE Tip Design, SILFR6A
“Excellent quality and works grate on my 07 legacy GT.”
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$14.79
(1)
Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LFR6BHX
“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”
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$3.49
(1)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
“Comes pre gapped and affordable”
