2021 Hyundai Accent Ignition and Tune-Up Products

Below you will find various in-demand Hyundai Ignition and Tune-Up Products, components and accessories for your 2021 Accent. Advance Auto Parts has popular Accent parts like Ignition Sensors, Ignition Coils and Boots, Spark Plugs and more. You’ll also find aftermarket and OEM Ignition and Tune-Up Products for other Accent model years including 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022 and more. Select a category of 2021 Hyundai Accent Ignition and Tune-Up Products below and start saving instantly.

Popular 2021 Hyundai Accent Ignition and Tune-Up Products Categories

Spark Plugs

Ignition Coils

Knock Sensors

Essential Ignition and Tune-Up Products for 2021 Hyundai Accents

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$13.99

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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$6.29

ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:

GM regularly updates production and service part designs to integrate new materials and technologies
High-Quality Copper Core: Designed with high-quality copper cores for reliable performance and efficient operation.
Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced durability and consistent performance.
OE Replacement: These spark plugs are true OE parts, originally installed or validated by General Motors for GM vehicles.
Outstanding Suppression Characteristics: Engineered to deliver outstanding suppression characteristics, ensuring smooth and efficient engine performance.
Versatile Applications: Providing a high-quality replacement for a wide range of vehicles.

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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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$6.29

ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.

Product Features:

Black Onyx coating helps reduce corrosion
Copper core provides great heat transfer and helps maximize plug durability
Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
Available for use in Marine applications
Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$4.99

The Autolite Platinum spark plug is a high-performance solution designed to enhance your engine’s efficiency and longevity. Featuring a platinum center electrode firing tip, it ensures quicker firing, smoother starts, and improved fuel efficiency while resisting gap erosion for an extended service life. Its high alumina ceramic insulator provides excellent thermal conductivity and superior insulation, boosting overall strength and reliability. The multi-rib insulator design prevents flash-over, while the nickel-plated shell offers exceptional corrosion resistance, ensuring durability even in demanding conditions. With a mid-projection standard center electrode and a flat seat type, this spark plug is tailored for optimal performance in older engine designs. The combination of a platinum tip and nickel ground electrode makes it a dependable choice for those seeking enhanced acceleration and long-lasting performance. Whether you’re maintaining or upgrading, this performance-grade spark plug delivers exceptional value and reliability.

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.
Incorporates a mid-projection center electrode and flat seat type, optimizing compatibility and performance in older engine designs.

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$10.99

ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. 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.

Product Features:

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
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

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$8.49

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

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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: 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.

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$10.99

ACDelco Professional Double Platinum Spark Plugs are premium aftermarket plugs, and are a high quality replacement for many vehicles on the road today. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.

Product Features:

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$86.99

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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$87.99

The Ignition Knock (Detonation) Sensor monitors vibrations caused by engine knock or detonation to alter the ignition timing and prevent detonation. A piezoelectric crystal generates a varying voltage based upon engine vibration intensity to delay ignition timing to help prevent severe and costly engine damage. Reasons for replacement include check engine light illumination, engine hesitation, poor fuel economy or failed emissions test.

Product Features:

ADVANCED TECHNOLOGY: Manufactured to operation performance standards to meet or exceed OE fit, form, and function to ensure proper ignition timing.
INSTALLATION AND SUPPORT: Mounting threads, harness length and wire gauge match OE for easy, worry free installation.
THE DIFFERENCE: Reinforced components are used to reduce the chance of part failure and prevent corrosion and moisture penetration. Shielded harness prevents electrical interference.

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$75.99

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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$85.99

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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$44.99

Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:

Bosch OE quality knock sensors for optimum engine protection
Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
Bosch OE quality knock sensors increase torque up to 5%
Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties

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$59.99

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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$52.99

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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$98.99

As the innovator and leader in stick coil technology DENSO has conducted superior testing and inspection processes to insure the highest quality ignition coil. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.

Product Features:

First Time Fit
Built to DENSO Original Equipment Standards

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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

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$195.99

Carquest Premium ignition coil sets 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 coil sets 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 coil sets with an industry-leading warranty. Carquest Premium ignition coil sets 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
Extensive design validation testing to ensure long-lasting reliability
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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$69.99

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

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$248.99

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
Extensive design validation testing to ensure long-lasting reliability
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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$70.99

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
Extensive design validation testing to ensure long-lasting reliability
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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$95.99

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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$92.99

First Time Fit
Built to DENSO Original Equipment Standards

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$56.99

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

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$78.99

NGK ignition coils are manufactured to meet or exceed OE standards for the highest durability and operational performance, so they can be installed with confidence. NGK and their family of automotive products have over 80 years’ experience and are driven by extreme dedication to innovation, performance and quality. With state-of-the-art manufacturing, inventory and distribution facilities in North America and globally, NGK is dedicated to providing customers with world-class products and services. Developed and rigorously tested in our ISO 17025 accredited test lab under the most extreme conditions, NGK’s coil designs will outperform all others – far beyond operational environments a vehicle would actually experience. NGK ignition coils have vast coverage including late-model domestic and import vehicles. NGK’s OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist.

Product Features:

OE QUALITY: Vacuum-sealed premium epoxy resin and thermoplastic coil housings provide superior dielectric strength, voltage insulation and durability
OPTIMAL PERFORMANCE: Precision coil windings and laminations maximize outputs, custom NGK ASIC chipset optimizes efficiency, prevents component damage
EASE OF INSTALLATION: NGK Ignition Coils include ignition control module, premium high temperature coil boot, and jumper harnesses where required
THE NGK DIFFERENCE: Featuring superior materials and design enhancements
EXTENSIVE TESTING: NGK ignition coils must pass extreme testing during manufacturing to ensure the highest quality and durability standards are met
PRODUCT ENGINEERING: Advanced flow and stress modeling systems preemptively identify and avoid common failure points found in OE and competitor coils

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$83.99

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
Extensive design validation testing to ensure long-lasting reliability
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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$63.99

Direct Ignition Coils (spark coils) help convert low voltage into high energy for your spark plugs to ignite fuel in your engine. A faulty or failed coil can cause a check engine light (trouble code), rough engine idle, poor fuel economy, and engine stalling, just to name a few. HL Mando direct ignition coils are well-known for being the exact OE replacements for both Hyundai, Kia and Genesis. Let HL Mando ensure your engine is running optimal and smooth once again – We Are OE!

Product Features:

Direct Original Equipment Replacement
Tested for Quality, Durability, and Reliability
Manufactured in Korea

Upgrade your 2021 Hyundai Accent with Top-Quality Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2021 Hyundai Accent, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Hyundai or enhancing its overall performance, Ignition and Tune-Up Products are key to keeping your Accent functioning at its best. At Advance Auto Parts, we offer a wide selection of 13 Ignition and Tune-Up Products for the 2021 Hyundai Accent, designed to meet your needs without breaking the bank. From Ignition Sensor replacements to Ignition Coils and Boots 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 Hyundai Accent at great prices. Our Ignition and Tune-Up Products inventory for this model ranges from just $5.99 to $195.99, with an average price of $58.24. Our 13 Ignition and Tune-Up Products in stock come from 8 trusted brands, so you’re sure to find the right part for your 2021 Hyundai Accent 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 Hyundai Accent, 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 114 customer reviews and counting, our 2021 Hyundai Accent 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 Hyundai Accent is always ready to roll. We’re committed to providing you with everything you need to keep your Accent in top shape, all in one place. Start shopping confidently below for your 2021 Hyundai Accent!

Best-Selling Ignition Sensors for 2021 Hyundai Accents

Enhance the driving experience in your Hyundai with 1 quality Ignition Sensor components, starting at $87.99.

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$87.99

ADVANCED TECHNOLOGY: Manufactured to operation performance standards to meet or exceed OE fit, form, and function to ensure proper ignition timing.
INSTALLATION AND SUPPORT: Mounting threads, harness length and wire gauge match OE for easy, worry free installation.
THE DIFFERENCE: Reinforced components are used to reduce the chance of part failure and prevent corrosion and moisture penetration. Shielded harness prevents electrical interference.

Top Picks for 2021 Hyundai Accent Spark Plugs

Upgrade Hyundai Accents with top-quality Spark Plugs parts, including 6 OEM and aftermarket selections for your 2021 model.

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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: 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.

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$13.29

The Iridium Power Spark Plug features the world’s smallest 0.4mm Iridium Center Electrode, delivering unmatched spark precision for maximum combustion efficiency and enhanced engine performance. Engineered with a patented 360-degree laser welding assembly process, it ensures exceptional durability and reliability under extreme conditions. The U-groove and taper-cut ground electrode design optimizes flame propagation, promoting smoother engine operation and improved fuel efficiency. Built to withstand temperatures exceeding 4000 Deg F, this spark plug is burnished with nickel plating for superior resistance to high temperatures and corrosion. Its compatibility spans a wide range of applications, including classic and collector cars, making it a versatile choice for various vehicles. With its flat seat type and premium Iridium tip material, this spark plug guarantees long-lasting performance and consistent ignition, offering excellent value for drivers seeking maximum spark energy and durability.

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

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$6.99

Copper Plus spark plug delivers dependable performance and durability, making it an ideal choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, it ensures precise heat control for extended lifespan and consistent wear. The nickel-tipped center and ground electrodes enhance conductivity while resisting corrosion, ensuring reliable ignition under various conditions. Designed to meet ISO and SAE Standards, this spark plug guarantees proven performance and compatibility with standard replacement needs. Its flat seat type and built-in resistor further contribute to optimal functionality, making it a trusted solution for maintaining engine health.

Product Features:

Copper Plus – Dependable Performance.
Copper core center electrode allows for accurate control of heat range for longer life
Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
Built to ISO and SAE standards for proven performance

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$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.

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$5.99

The Double Platinum Spark Plug is engineered for exceptional durability and performance, featuring a platinum-to-platinum design that minimizes gap erosion and reduces misfires, ensuring a longer service life. Ideal for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs. Its yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure. The high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. With a mid-projection center electrode and flat seat type, this performance-grade spark plug is built to deliver consistent ignition and efficiency. Both the center and ground electrode tips are crafted from platinum, ensuring lasting quality and precision. Designed with a resistor type for enhanced compatibility, this spark plug is a smart choice for those seeking improved engine performance and extended plug life.

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 improved engine efficiency.

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$19.99

The Iridium Long-Life Spark Plug is engineered to meet the highest OE standards for performance, durability, and emissions. Featuring DENSO’s patented Iridium Alloy with a 90% Iridium fine wire center electrode, it delivers sustained spark performance for over 100,000 miles, lasting up to three times longer than conventional plugs. Its platinum ground electrode and 360-degree laser welding process ensure exceptional structural strength and reliability, even under extreme temperatures exceeding 4,000 Deg F. Designed for enhanced engine performance, this spark plug provides more horsepower, quicker starts, and fewer misfires under heavy loads. Additionally, it promotes better fuel efficiency, making it a cost-effective choice for long-term use. With a flat seat type and advanced materials, this plug is built to endure the demands of high-performance ignition systems while maintaining consistent performance.

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
Enhanced Engine Performance: Enjoy more horsepower, faster and easier starts, and fewer misfires under heavy loads, thanks to the advanced design and materials used in this spark plug.
Fuel Efficiency: The DENSO Iridium Long Life plug helps in better conservation of fuel, contributing to improved overall fuel efficiency for your vehicle.

Top-Rated Ignition and Tune-Up Products Brands For Your 2021 Hyundai Accent

Shop for the best-rated brands offering Ignition and Tune-Up Products and other products for your 2021 Hyundai Accents. 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 Accent 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 Hyundai Accent Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2021 Hyundai Accent, 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 Hyundai Accent. With over 1 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 70 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.

from $10.99

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

“Perfect fit my car runs much better.”

Popular DENSO 2021 Hyundai Accent 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 Hyundai Accent owner should feel confident when installing genuine DENSO parts in their vehicle. To ensure the best fit and performance for your 2021 Accent, Advance Auto Parts carries a full inventory of 1 DENSO Ignition and Tune-Up Products. Plus you will be keeping your Hyundai in peak condition while saving money because prices on these DENSO Ignition and Tune-Up Products range up to $13.29, plus, with more than 43 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 $13.29

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Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22I

“right part first – time – car runs better with the refreshed plugs”

FAQs for 2021 Hyundai Accent Ignition and Tune-Up Products

Which Ignition and Tune-Up Products are best-sellers for 2021 Hyundai Accents?

Out of 13 Ignition and Tune-Up Products that fit 2021 Hyundai Accents, the following parts are the top sellers:

Iridium Ultra Fine Wire Spark Plug: Superior Ignition & Durability (12008332) – $10.99
Double Platinum Spark Plug: Enhanced Durability & Performance (11668325) – $5.99
Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22I (10887930) – $13.29

What’s the price range for 2021 Hyundai Accent Ignition and Tune-Up Products?

Ignition and Tune-Up Product prices for the 2021 Hyundai Accent start at $5.99 and go up to $195.99 for the most premium parts.

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

The average price for Ignition and Tune-Up Products for the 2021 Hyundai Accent is $58.24. 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 Hyundai Accent model years?

Yes, we currently carry Ignition and Tune-Up Products for 26 model years of Hyundai Accents between 1995 and 2022. Ignition and Tune-Up Products are bought most frequently for the following model years: 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Ignition and Tune-Up Products for my 2021 Hyundai Accent?

The cheapest 2021 Hyundai Accent Ignition and Tune-Up Products we carry in stock are:

Double Platinum Spark Plug: Enhanced Durability & Performance (11668325) – $5.99
Copper Plus Spark Plug (RER8MC): Dependable Performance & Durability (10095338) – $6.99
Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (11015596) – $10.99
Iridium Ultra Fine Wire Spark Plug: Superior Ignition & Durability (12008332) – $10.99
Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22I (10887930) – $13.29

What are the top-rated Ignition and Tune-Up Products that fit the 2021 Hyundai Accent?

Out of 114 reviews by customers, our 2021 Hyundai Accent 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 Hyundai Accent and their top-rated products:

Spark Plugs
- Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22I (10887930) – $13.29
- Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (11015596) – $10.99
- Copper Plus Spark Plug (RER8MC): Dependable Performance & Durability (10095338) – $6.99

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

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

Can I get help with 2021 Hyundai Accent 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 Hyundai Ignition and Tune-Up Products and more.

What is your return policy for Hyundai Accent Ignition and Tune-Up Products?

Advance Auto Parts keeps returns simple. For new Hyundai Accent 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.

2021 Hyundai Accent Ignition and Tune-Up Products

NGK – Iridium IX Spark Plug (BKR5EIX-11): Extreme Ignitability & Durability (Part No.5464)

ACDelco – Copper Core Spark Plug: Reliable Performance & Efficient Operation (Part No.41-602)

Autolite Iridium – Iridium Ultra Fine Wire Spark Plug: Superior Ignition & Durability (Part No.AI6203)

ACDelco – Copper Core Spark Plug: Reliable Heat Transfer & Durability (Part No.41-629)

Autolite – Platinum Spark Plug (AP3924): Improved Performance & Durability (Part No.AP3924)

ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-801)

NGK – G-Power Platinum Spark Plug (BKR5EGP): Enhanced Durability & Efficiency (Part No.7090)

Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP6203)

ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-800)

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3722)

NTK – Ignition Knock (Detonation) Sensor (Part No.ID0040)

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3994)

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3688)

Bosch – Knock Sensor (Part No.0261231007)

Carquest Premium – Knock Sensor (Part No.SBC3831)

Carquest Premium – Knock Sensor (Part No.SBC3845)

DENSO – Direct Ignition Coil – Original Equipment Quality (Part No.673-8308)

Carquest Premium – Ignition Coil (Part No.EBE1764)

Carquest Premium – Ignition Coil Set: Meets or Exceeds OE Specifications, 4 Count (Part No.EBC1037-4)

Carquest Premium – Ignition Coil (Part No.EBC1654)

Carquest Premium – Ignition Coil Set: Meets or Exceeds OE Specifications, 4 Count (Part No.EBC1827-4)

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1037)

Delphi – Ignition Coil (Part No.GN10413)

DENSO – Direct Ignition Coil – Original Equipment Quality (Part No.673-8304)

Carquest Premium – Ignition Coil (Part No.EBC1881)

NGK – Premium COP Pencil Type Ignition Coil: Meets or Exceeds OE Specifications (Part No.48943)

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1827)

MANDO – New OE Direct Ignition Coil, Direct Replacement (Part No.21A0111)

NTK – Ignition Knock (Detonation) Sensor (Part No.ID0040)

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1037)

NGK – Premium COP Pencil Type Ignition Coil: Meets or Exceeds OE Specifications (Part No.48943)

Delphi – Ignition Coil (Part No.GN10634)

Carquest Premium – Ignition Coil Set: Meets or Exceeds OE Specifications, 4 Count (Part No.EBC1037-4)

DENSO – Direct Ignition Coil – Original Equipment Quality (Part No.673-8304)

MANDO – New OE Direct Ignition Coil, Direct Replacement (Part No.21A0111)

Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP6203)

DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22I (Part No.5356)

Champion – Copper Plus Spark Plug (RER8MC): Dependable Performance & Durability (Part No.445)

Autolite Iridium – Iridium Ultra Fine Wire Spark Plug: Superior Ignition & Durability (Part No.AI6203)

Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP6203)

DENSO – Iridium Long-Life Spark Plug: OE Performance, ZXU22HCR8 (Part No.3501)