2021 Subaru WRX Ignition and Tune-Up Products

Essential Ignition and Tune-Up Products for 2021 Subaru WRXes

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

Engine Knock Sensor And Harness Kit

from

$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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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1047)

Ignition Knock (Detonation) Sensor

from

$107.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Carquest Premium – Knock Sensor (Part No.EKC1038)

Knock Sensor

from

$105.99
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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Carquest Premium – Ignition Coil (Part No.EBA1181)

Ignition Coil

from

$96.99
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
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Carquest Premium – Ignition Coil (Part No.EBA1931)

Ignition Coil

from

$206.99
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
See More

Delphi – Ignition Coil (Part No.GN10687)

Ignition Coil

from

$98.99
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
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

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

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 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

Upgrade your 2021 Subaru WRX with Top-Quality Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2021 Subaru WRX, 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 functioning at its best. At Advance Auto Parts, we offer a wide selection of 9 Ignition and Tune-Up Products for the 2021 Subaru WRX, designed to meet your needs without breaking the bank. From Ignition Sensor replacements to Spark Plugs 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 2021 Subaru WRX at great prices. Our Ignition and Tune-Up Products inventory for this model ranges from just $10.99 to $105.99, with an average price of $50.43. Our 9 Ignition and Tune-Up Products in stock come from 6 trusted brands, so you’re sure to find the right part for your 2021 Subaru WRX 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 2021 Subaru WRX, we stock popular OEM and aftermarket Ignition and Tune-Up Products from top names like Autolite DENSO, and more. Autolite Ignition and Tune-Up Products start at just $10.99 and boast an impressive 4.6 stars average rating from customers. With 99 customer reviews and counting, our 2021 Subaru WRX 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 2021 Subaru WRX is always ready to roll. We’re committed to providing you with everything you need to keep your WRX in top shape, all in one place. Start shopping confidently below for your 2021 Subaru WRX!

Best-Selling Ignition Sensors for 2021 Subaru WRXes

Enhance the driving experience in your Subaru with 2 quality Ignition Sensor components, starting at $63.99.

Carquest Premium – Knock Sensor (Part No.EKC1038)

Knock Sensor

from

$105.99
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.
See More

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

Engine Knock Sensor And Harness Kit

from

$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
See More

Most Popular 2021 Subaru WRX Spark Plugs

Customize your Subaru with 5 Spark Plugs products like Spark Plugs, all priced under $29.99.

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

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

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

Top Picks for 2021 Subaru WRX Ignition Coils and Boots

Upgrade Subaru WRXes with top-quality Ignition Coils and Boots parts, including 2 OEM and aftermarket selections for your 2021 model.

Delphi – Ignition Coil (Part No.GN10687)

Ignition Coil

from

$98.99
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
See More

Carquest Premium – Ignition Coil (Part No.EBA1181)

Ignition Coil

from

$96.99
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
See More

Top-Rated Ignition and Tune-Up Products Brands For Your 2021 Subaru WRX

Shop for the best-rated brands offering Ignition and Tune-Up Products and other products for your 2021 Subaru WRXes. Below you’ll find some of our best rated Ignition and Tune-Up Products from Autolite and DENSO, and more. Ignition and Tune-Up Products from these brands that fit a 2021 WRX start at just $10.99 and are rated as high as 4.6 stars. OEM and aftermarket Ignition and Tune-Up Products don’t get more top quality, durable, and affordable than from the brands below.

Popular Autolite 2021 Subaru WRX Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2021 Subaru WRX, using quality Ignition and Tune-Up Products is essential to ensure durability and a perfect fit. Autolite ticks all of those boxes. We offer a wide selection of Autolite Ignition and Tune-Up Products, specifically designed for the 2021 Subaru WRX. With over 2 Autolite 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 $10.99. Plus, with over 22 customer reviews and an average rating of 4.6 stars, you can trust that our Autolite 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.
Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition
from $10.99
(21)
Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition
“Autolite Plugs have always done great .”
Double Platinum Spark Plug: Enhanced Durability & Performance
from $10.99
(1)
Double Platinum Spark Plug: Enhanced Durability & Performance
“My car runs smutty”

Popular DENSO 2021 Subaru WRX Ignition and Tune-Up Products

DENSO auto parts is one of the highest quality Ignition and Tune-Up Product brands in the market. Any 2021 Subaru WRX owner should feel confident when installing genuine DENSO parts in their vehicle. To ensure the best fit and performance for your 2021 WRX, Advance Auto Parts carries a full inventory of 1 DENSO Ignition and Tune-Up Products. Plus you will be keeping your Subaru in peak condition while saving money because prices on these DENSO Ignition and Tune-Up Products range up to $29.99, plus, with more than 11 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.
Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11
from $29.99
(11)
Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11
“These plugs are great, easy swap out and car felt like new again. Definitely picked up some power and response once I changed out the plugs. Would hig”

FAQs for 2021 Subaru WRX Ignition and Tune-Up Products

Which Ignition and Tune-Up Products are best-sellers for 2021 Subaru WRXes?

Out of 9 Ignition and Tune-Up Products that fit 2021 Subaru WRXes, the following parts are the top sellers:

What’s the price range for 2021 Subaru WRX Ignition and Tune-Up Products?

Ignition and Tune-Up Product prices for the 2021 Subaru WRX start at $10.99 and go up to $105.99 for the most premium parts.

What’s the average price of a Ignition and Tune-Up Product for a 2021 Subaru WRX?

The average price for Ignition and Tune-Up Products for the 2021 Subaru WRX is $50.43. 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 model years?

Yes, we currently carry Ignition and Tune-Up Products for 8 model years of Subaru WRXes between 2015 and 2025. Ignition and Tune-Up Products are bought most frequently for the following model years: 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, and 2025.

What are the cheapest Ignition and Tune-Up Products for my 2021 Subaru WRX?

What are the top-rated Ignition and Tune-Up Products that fit the 2021 Subaru WRX?

Out of 99 reviews by customers, our 2021 Subaru WRX 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 2021 Subaru WRX and their top-rated products:

What types of Ignition and Tune-Up Products do you sell for my 2021 Subaru WRX?

As of 11/2/25, these are some of the most in-demand types of Ignition and Tune-Up Products for a 2021 Subaru WRX:

Can I get help with 2021 Subaru WRX 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 Ignition and Tune-Up Products?

Advance Auto Parts keeps returns simple. For new Subaru WRX 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.