2023 Subaru WRX Spark Plugs

Keep Your 2023 Subaru WRX in Top Shape with a Quality Spark Plug

When it comes to maintaining or upgrading your 2023 Subaru WRX, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Spark Plug for your WRX. We currently carry a top Spark Plug in stock that is built to last. Whether you’re replacing a damaged Spark Plug or looking to upgrade, our selection for the 2023 Subaru WRX ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Ignition Coils and Boots and Ignition Sensors to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2023 Subaru WRX running smoothly and looking great.

Essential 2023 Subaru WRX Spark Plugs

NGK – Laser Iridium Spark Plug (ILKAR8H6): Superior Performance & Durability (Part No.96024)

Laser Iridium Spark Plug (ILKAR8H6): Superior Performance & Durability

from

$24.99
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 elect

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
See More

Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP5682)

Double Platinum Spark Plug: Enhanced Durability & Performance

from

$10.99
Double Platinum Spark Plug: Enhanced Durability & Performance is engineered for exceptional reliability and efficiency, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. The yttrium-enhanced ground electrode delivers superior heat transfer, providing unmatched 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 consistent performance. With a mid-projection center electrode and flat seat type, this performance-grade spark plug is designed to meet demanding engine requirements. Both the center and ground electrode tips are crafted from platinum, ensuring reliable ignition and enhanced durability. Whether you’re seeking improved engine efficiency or reduced maintenance, this spark plug delivers superior value and 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 meet the demanding requirements of modern engines, ensuring consistent and reliable performance.
See More

Autolite Iridium – Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision Ignition (Part No.AI5682)

Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision Ignition

from

$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.
See More

DENSO – Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11 (Part No.3457)

Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11

from

$29.99
The Iridium Long-Life Spark Plug is engineered to meet the highest OE performance, durability, and emissions standards, making it a reliable choice for your vehicle. Featuring DENSO’s patented Iridium Alloy with a fine wire center electrode, it delivers exceptional spark energy and efficiency. The platinum needle tip ground electrode minimizes heat quenching, while the 360-degree laser welding process ensures a robust bond and structural integrity. Designed to endure extreme temperatures exceeding 4,000 Deg F, this spark plug is built 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, reducing maintenance needs. Its advanced design enhances engine efficiency, providing more horsepower, quicker starts, and fewer misfires under heavy loads, all while promoting better fuel conservation. The flat seat type ensures a secure fit, and the iridium center electrode material guarantees sustained performance, making it a valuable upgrade for long-lasting, high-quality ignition.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
  • Platinum Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • 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 (SIP)
  • Enhanced Engine Efficiency: Enjoy more horsepower, faster and easier starts, and fewer misfires under heavy loads, ensuring better fuel conservation at all times.
See More

Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5682)

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

from

$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: Improves durability and wear resistance for a longer-lasting spark plug.
  • Engineered in the USA: Designed with over 100 years of Autolite engineering experience for superior quality and performance.
  • Proven Track Record: Part of a legacy with over 11 billion spark plugs sold, ensuring trusted performance and reliability.
See More

Most Popular Spark Plug for 2023 Subaru WRXes

Enhance your 2023 Subaru WRX with this popular Spark Plug we have in stock, for $31.99.

NGK – Laser Iridium Spark Plug (SILKFR8A6): High Ignitability & Durability (Part No.96698)

Laser Iridium Spark Plug (SILKFR8A6): High Ignitability & Durability

from

$31.99
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
  • Superior Durability: The iridium-tipped center electrode is six times harder than platinum, ensuring long-lasting performance and reliability.
  • OE Application Specific: Designed and tested to meet the highest standards for original equipment applications, ensuring a perfect fit and function.
  • Enhanced Wear Resistance: Features a raised platinum pad or platinum fine wire tip on the ground electrode for even wear, especially in distributorless ignition systems.
See More

FAQs for 2023 Subaru WRX Spark Plugs

What’s the price range for 2023 Subaru WRX Spark Plugs?

We currently have just one Spark Plugs for the 2023 Subaru WRX in stock: Laser Iridium Spark Plug (SILKFR8A6): High Ignitability & Durability and it costs $31.99.

Does Advance Auto Parts sell Spark Plugs for other Subaru WRX model years?

Yes, we carry Spark Plugs for 7 model years of Subaru WRXes between 2015 and 2022. The following model years are the most popular for Spark Plug purchases: 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2022.

Does Advance Auto Parts sell Spark Plugs for any other 2023 Subaru models?

Yes. We stock Spark Plugs for 5 other popular 2023 Subaru models. Some of the most popular are 2023 Impreza Spark Plugs, 2023 BRZ Spark Plugs, 2023 Crosstrek Spark Plugs, 2023 Forester Spark Plugs, and 2023 Legacy Spark Plugs.

What types of Spark Plugs do you sell for my 2023 Subaru WRX?

We currently have just 1 Spark Plug in stock for a 2023 Subaru WRX, and as of 11/2/25, it is a Spark Plug.

Can I get help with 2023 Subaru WRX Spark Plug orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Subaru Spark Plugs and more.

What is your return policy for Subaru WRX Spark Plugs?

Advance Auto Parts keeps returns simple. For new Subaru WRX Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.