2021 Hyundai Tucson Spark Plugs

Keep Your 2021 Hyundai Tucson in Top Shape with Quality Spark Plugs

Whether you’re repairing or upgrading your Spark Plug, using high-quality parts is key to keeping your 2021 Hyundai Tucson looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Spark Plugs. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Spark Plugs from Trusted Brands

Looking for a reliable Spark Plug? We’ve got you covered with options from brands you know and trust like DENSO and Autolite. For example, DENSO Spark Plugs start at just $13.29 with an average 4.6 star rating. Autolite offer similar pricing and quality, backed by strong customer feedback. With over 888 reviews and a solid 5 star average, you can shop with confidence knowing other Hyundai Tucson owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2021 Hyundai Tucson Spark Plug at Advance Auto Parts is around $12.12, with a range that starts at $6.99 and goes up to $21.99. With 6 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, and Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision start at just $6.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Spark Plug, don’t forget to check out other key components like Ignition Coils and Boots and Ignition Sensors. At Advance Auto Parts, we’re here to help you keep your 2021 Hyundai Tucson in peak condition, inside and out.

Essential 2021 Hyundai Tucson Spark Plugs

ACDelco – RAPIDFIRE Spark Plug: Enhanced Durability & Performance (Part No.5)

RAPIDFIRE Spark Plug: Enhanced Durability & Performance

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$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • 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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NGK – Iridium IX Spark Plug (BKR5EIX-11): Extreme Ignitability & Durability (Part No.5464)

Iridium IX Spark Plug (BKR5EIX-11): Extreme Ignitability & Durability

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

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

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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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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK16 (Part No.5303)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK16

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$9.99
The Iridium Power Spark Plug is engineered for the most demanding automotive enthusiasts, delivering no-compromise performance and reliability. Featuring a patented U-groove ground electrode design, it ensures efficient ignition even with leaner fuel mixtures, outperforming conventional plugs. Its iridium center electrode tip offers exceptional durability, withstanding extreme temperatures exceeding 4000 Deg F and lasting twice as long as standard plugs. Precision machine-rolled threads minimize the risk of seizing or cross-threading, making it ideal for delicate aluminum heads. With a flat seat type and a wide range of part numbers, this spark plug is compatible with thousands of applications, including classic and collector cars. Whether you’re on the track or the road, this top-of-the-line spark plug delivers unmatched performance and longevity, making it a valuable upgrade for any serious driver.

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000 degree Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
  • Superior Performance: Engineered for maximum performance under extreme conditions, this spark plug delivers more horsepower, faster and easier starts, and fewer misfires under heavy loads.
  • Enhanced Fuel Efficiency: Thanks to its advanced design and patented technology, the Iridium Power plug improves fuel efficiency, making it an economical choice for your vehicle.
  • Low Voltage Requirement: The DENSO Iridium Power spark plug requires 5,000 volts less to fire compared to conventional spark plugs, ensuring reliable ignition with lower energy consumption.
  • Durable Iridium Material: Constructed with a durable iridium center electrode tip and a flat seat type, this spark plug offers long-lasting performance and reliability.
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Champion – Copper Plus Spark Plug (RC10YC4): Dependable Performance & Durability (Part No.346)

Copper Plus Spark Plug (RC10YC4): Dependable Performance & Durability

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$4.99
The Copper Plus Spark Plug delivers dependable performance and durability, making it a reliable choice for maintaining your engine’s efficiency. Featuring a copper core center electrode, it ensures enhanced conductivity and precise heat control, promoting good overall wear and extending the spark plug’s lifespan. Built to ISO and SAE Standards, this spark plug guarantees proven performance and superior corrosion resistance, even in demanding conditions. Its nickel copper alloy tip and flat seat design provide optimal reliability and consistent functionality, making it a standard replacement for a wide range of applications. With a focus on durability and heat management, this spark plug is engineered to keep your engine running smoothly while offering excellent value for long-term use.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Enhanced Conductivity and Heat Control: The Champion Copper Plus Spark Plug features a copper core electrode that provides increased conductivity and heat control, ensuring good overall wear and extending the spark plug’s life.
  • Reliable Nickel Copper Alloy Tip: Featuring a nickel copper alloy center electrode tip and a flat seat type, this spark plug ensures enhanced reliability and optimal performance for your engine.
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DENSO – Iridium Long-Life Spark Plug: OE Performance, SXU22HCR11S (Part No.3461)

Iridium Long-Life Spark Plug: OE Performance, SXU22HCR11S

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$21.99
Engineered to meet the highest OE standards for performance, durability, and emissions, this Iridium Long-Life Spark Plug is a top-tier choice for your vehicle. Featuring DENSO’s patented Iridium Alloy with a 90% Iridium fine wire center electrode, it delivers exceptional spark performance and longevity. The platinum ground electrode ensures extended life, while the 360-degree laser welding process guarantees a robust bond and structural integrity. Designed to endure extreme temperatures exceeding 4,000 Deg F, this spark plug is perfect for high-performance ignition systems and specialized fuel setups. With a lifespan of over 100,000 miles, it lasts up to three times longer than conventional plugs, offering unmatched reliability and value. The flat seat type ensures a secure fit, making it a durable and efficient solution for your ignition needs.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
  • Platinum ground electrode for extended life
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life
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NGK – Laser Iridium Spark Plug (IFR5E11): Fine Wire Tip for Efficiency (Part No.7994)

Laser Iridium Spark Plug (IFR5E11): Fine Wire Tip for Efficiency

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$23.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
  • Superior Durability: The iridium-tipped center electrode is six times harder than platinum, ensuring long-lasting performance and reliability.
  • Optimized for OE Applications: Engineered specifically for Original Equipment (OE) applications, ensuring a perfect fit and optimal performance.
  • Even Wear: Features a platinum pad on the ground electrode, designed for even wear in distributorless ignition systems.
  • Fine Wire Tip Design: The fine wire tip design of the IFR5E11 model enhances ignition efficiency and performance.
  • Fine Wire Tip Design: The fine wire tip design of the IFR7X7G model ensures efficient and consistent spark delivery for optimal engine performance.
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Champion – Platinum Power Spark Plug (RC10PYC): Powerful Performance & Longevity (Part No.3346)

Platinum Power Spark Plug (RC10PYC): Powerful Performance & Longevity

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$4.99
Champion Platinum Power spark plugs are engineered to deliver exceptional performance and durability, making them an ideal choice for maintaining your vehicle’s peak efficiency. Featuring a platinum-tipped center electrode, these spark plugs ensure long-lasting reliability and resist wear, maintaining the proper gap specification throughout their lifespan. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for improved combustion. Constructed with the exclusive Heat-Active alloy, these plugs quickly reach and maintain optimal operating temperatures, ensuring consistent performance under various driving conditions. Designed as a standard replacement, they feature a flat seat type and a resistor to minimize electrical interference. With a nickel ground electrode tip and premium-grade materials, these spark plugs offer a perfect balance of power, efficiency, and longevity, making them a valuable upgrade for your ignition system.

Product Features:
  • Platinum Power- Premium Spark Plug. Powerful Performance.
  • Platinum center electrode for long life
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug
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NGK – Ruthenium HX Spark Plug (LKR7AHX-S): High Ignitability & Durability (Part No.96358)

Ruthenium HX Spark Plug (LKR7AHX-S): High Ignitability & Durability

from

$15.99
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug, Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

Product Features:
  • HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
  • RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
  • PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
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Motorcraft – High-Durability Spark Plug: Reduces Misfires & Fuel Consumption (Part No.SP-485-X)

High-Durability Spark Plug: Reduces Misfires & Fuel Consumption

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$9.29
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. They are resistant to oxidation and arc erosion, feature a multi-rib insulator to protect against misfire, and offer service intervals of up to 100,000 miles. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are an exact fit for Ford, Lincoln, and Mercury vehicles and are designed with high-quality materials to provide reliable performance for almost any application. Motorcraft ignition components also help prevent false check engine lights, ensuring your vehicle runs smoothly.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
  • Engineered for Ford Vehicles: Original equipment on Ford, Lincoln, and Mercury vehicles, ensuring a perfect fit and optimal performance.
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Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5702)

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: Offers improved 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, showcasing trusted performance and reliability.
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Champion – Double Platinum Power Spark Plug (RC11PYPB4): Enhanced Durability & Performance (Part No.7070)

Double Platinum Power Spark Plug (RC11PYPB4): Enhanced Durability & Performance

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$5.99
The Double Platinum Power Spark Plug (RC11PYPB4) is engineered to deliver enhanced durability and performance for your vehicle. Featuring Champion’s exclusive Heat-Active alloy, this spark plug ensures optimal operating temperatures under all engine loads, providing consistent and reliable ignition. Its platinum fine-wire center electrode and platinum pad ground electrode offer superior wear resistance, extending the lifespan of the plug while maintaining sharper spark focus. The V-trimmed ground electrode enhances ignitability, promoting efficient combustion and improved engine performance. Designed as an OE replacement, it guarantees compatibility and seamless integration with your vehicle’s system. With its resistor type construction and flat seat design, this premium spark plug is the perfect choice for those seeking long-lasting, high-performance ignition components.

Product Features:
  • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
  • Platinum center and ground electrode for greater wear resistance
  • Maintains stable operating temperature under all engine loads
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • OE Replacement: Designed as an OE replacement, ensuring compatibility and reliable performance for your vehicle.
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Champion – Iridium Spark Plug (RC10WYPB4): Maximum Performance & Longevity (Part No.9001)

Iridium Spark Plug (RC10WYPB4): Maximum Performance & Longevity

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$8.49
The Champion Iridium Spark Plug (RC10WYPB4) is engineered for drivers who demand peak performance and durability. Featuring a fine-wire iridium center electrode and an iridium-platinum ground electrode, this premium spark plug ensures maximum ignitability and a sharper spark focus for enhanced engine efficiency. The V-trimmed ground electrode design promotes precise spark delivery, while the Heat-Active alloy enables the electrodes to quickly reach and maintain optimal operating temperatures under all engine loads. Built with a flat seat type and resistor technology, it provides stable performance and reduces interference. Designed for longevity, the iridium center electrode offers exceptional wear resistance, making it ideal for high-performance applications. Whether you’re looking to boost your vehicle’s power or maintain consistent performance, this spark plug delivers unmatched reliability and value.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active alloy allows electrodes to reach optimal temperature quickly
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Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.3924)

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability

from

$4.99
Autolite Copper spark plugs are crafted to ensure reliable performance and durability for your vehicle or application. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are designed for extended life, while the mid-projection center electrode enhances ignition efficiency. Built with a high alumina multi-rib ceramic insulator, these plugs offer superior thermal conductivity and insulation, boosting strength and reliability. The nickel-plated shell provides exceptional corrosion resistance, making them ideal for long-term use. With a flat seat type and integrated resistor, these spark plugs deliver quick starts and meet performance expectations, offering great value for regular-grade applications.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • The integrated resistor ensures quick starts and optimized performance, making it a reliable choice for regular-grade applications.
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NGK – Ruthenium HX Spark Plug (LFR5AHX): High Ignitability & Durability (Part No.96355)

Ruthenium HX Spark Plug (LFR5AHX): High Ignitability & Durability

from

$15.99
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug, Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

Product Features:
  • HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
  • RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
  • PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
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ACDelco – Copper Core Spark Plug: Reliable Heat Transfer & Durability (Part No.41-629)

Copper Core Spark Plug: Reliable Heat Transfer & Durability

from

$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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Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP3924)

Double Platinum Spark Plug: Enhanced Durability & Performance

from

$6.99
Double Platinum Spark Plug offers enhanced durability and performance with its platinum-to-platinum design, effectively reducing gap erosion and minimizing misfires for a longer service life. Engineered for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. Featuring a mid-projection center electrode and flat seat type, this performance-grade spark plug is built with platinum-tipped electrodes for consistent ignition and lasting reliability. Designed to deliver exceptional value, it is a dependable choice for those seeking improved engine efficiency and longevity.

Product Features:
  • Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
  • The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
  • Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
  • The multi-rib insulator prevents flash-over.
  • Designed with a mid-projection center electrode and flat seat type to ensure consistent ignition and reliable performance in demanding conditions.
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Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP6203)

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.
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NGK – Laser Iridium Spark Plug (SILZKR8E8G): High Ignitability & Durability (Part No.97080)

Laser Iridium Spark Plug (SILZKR8E8G): High Ignitability & Durability

from

$20.99
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
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Champion – Iridium Spark Plug (REC12WMPB5): Maximum Performance & Longevity (Part No.9055)

Iridium Spark Plug (REC12WMPB5): Maximum Performance & Longevity

from

$12.49
Champion Iridium Spark Plug is engineered for maximum performance and longevity, making it a premium choice for your vehicle. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, this spark plug ensures sharper spark focus and greater ignitability, delivering optimal engine performance. The V-trimmed ground electrode promotes precise spark delivery, while the Heat-Active alloy allows the electrodes to quickly reach and maintain stable operating temperatures under all engine loads. Designed with a flat seat type for a secure and reliable fit, it also includes a built-in resistor to enhance performance and reliability. Crafted with iridium and platinum materials, this spark plug offers exceptional durability and extended service life, making it ideal for high-performance applications. Upgrade to Champion Iridium for a spark plug that combines cutting-edge technology with unmatched dependability.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active alloy allows electrodes to reach optimal temperature quickly
  • Flat Seat Type: Engineered with a flat seat type for a secure and reliable fit.
  • Built-in Resistor: Includes a resistor to ensure maximum performance and reliability.
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Champion – Iridium Spark Plug (RC12WYPB4): Maximum Performance & Longevity (Part No.9201)

Iridium Spark Plug (RC12WYPB4): Maximum Performance & Longevity

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$8.49
Champion Iridium spark plug is engineered for drivers who demand peak performance and durability. Featuring a fine-wire iridium center electrode and a platinum ground electrode, this premium spark plug ensures sharper spark focus and greater ignitability, delivering maximum engine efficiency. The V-trimmed ground electrode enhances spark precision, while the Heat-Active alloy allows the electrodes to quickly reach and maintain optimal operating temperatures under all engine loads. Designed with a flat seat type and built-in resistor, it provides stable performance and reduces interference. Whether you’re looking for extended service life or consistent ignition, this performance-grade spark plug is the ideal choice for maintaining your engine’s top-notch functionality.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active alloy allows electrodes to reach optimal temperature quickly
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Autolite – Double Platinum Spark Plug: Enhanced Durability & Longer Service Life (Part No.APP5702)

Double Platinum Spark Plug: Enhanced Durability & Longer Service Life

from

$6.99
Double Platinum Spark Plug: Enhanced Durability & Longer Service Life is engineered for peak performance and reliability. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring consistent ignition and extended service life. The yttrium-enhanced ground electrode offers superior heat transfer, making it highly durable under extreme temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety. Designed with a mid-projection standard center electrode and flat seat type, this performance-grade spark plug is ideal for distributor-less ignition system (DIS) engines. Both the center and ground electrode tips are crafted from platinum, delivering unmatched durability and efficiency. With a built-in resistor, this spark plug ensures smooth operation and reliable performance, making it a valuable upgrade over copper and standard platinum plugs. Perfect for drivers seeking enhanced ignition reliability and longer-lasting durability.

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 built-in resistor to ensure smooth operation and reliable performance, enhancing ignition efficiency and reducing electromagnetic interference.
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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKH16TT (Part No.4703)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKH16TT

from

$12.99
The Iridium TT Spark Plug combines the durability of an OE-style plug with the unmatched power and torque of high-performance engineering. Featuring a 0.4mm Iridium Center Electrode – the world’s smallest diameter – it maximizes firing potential, while the 0.7mm Needle Tip Ground Electrode enhances spark energy and minimizes heat quenching. Built with DENSO’s patented Iridium-Rhodium alloy formula, it boasts the highest concentration of iridium for exceptional durability, enduring temperatures over 4000 Deg F. The advanced 360-degree laser welding process ensures a robust bond and structural integrity, delivering over 100,000 miles of reliable performance. Its Twin-Tip Technology, derived from OE Super Ignition Plug design, combines a fine-wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode for superior ignition efficiency. This spark plug not only enhances fuel economy and reduces emissions but also features premium materials and a flat seat type for optimal performance. Perfect for drivers seeking ultimate endurance and power, its a high-value upgrade for any vehicle.

Product Features:
  • 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
  • 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Durability of an OE style plug combined with Power and Torque of high performance.
  • Withstands temperatures greater than 4000 degree Fahrenheit
  • Iridium TT
  • Ultimate Endurance and Power: The DENSO Iridium TT Spark Plug features a 0.7mm Iridium Tip, ensuring over 100,000 miles of uncompromised performance.
  • Advanced Twin-Tip Technology: Developed from Original Equipment Specification Super Ignition Plug (SIP) design, combining a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode.
  • Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
  • Premium Materials: Features an Iridium Center Electrode Tip and a Flat Seat Type for optimal performance and durability.
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Champion – Copper Plus Spark Plug (RC12YC5): Dependable Performance & Durability (Part No.89)

Copper Plus Spark Plug (RC12YC5): Dependable Performance & Durability

from

$4.99
Copper Plus Spark Plug RC12YC5 is engineered for dependable performance and durability, making it a reliable choice for maintaining your engine’s efficiency. Featuring a copper core center electrode, it delivers enhanced conductivity and precise heat control, ensuring good overall wear and extending the spark plug’s lifespan. The nickel center electrode tip and flat seat design further contribute to consistent and reliable performance, while superior corrosion resistance ensures long-term durability. Built to ISO and SAE Standards, this spark plug meets rigorous quality benchmarks for proven performance. As a standard replacement grade, it is designed to provide accurate heat range control, making it ideal for maintaining optimal engine functionality. Whether you’re looking for enhanced heat management or reliable ignition, this spark plug offers exceptional value and performance.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Enhanced Conductivity and Heat Control: The copper core electrode provides increased conductivity and heat control, ensuring good overall wear and extending the spark plug’s life.
  • Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and flat seat type, this spark plug ensures consistent and reliable performance, contributing to the overall efficiency of your engine.
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DENSO – U-Groove Spark Plug: OE Performance, K16PR-U11 (Part No.3130)

U-Groove Spark Plug: OE Performance, K16PR-U11

from

$3.49
The U-Groove Spark Plug features a patented U-groove ground electrode design that enhances ignitability, allowing for leaner fuel mixtures and improved engine efficiency. Crafted with precision machine-rolled threads, it minimizes the risk of seizing or cross-threading in delicate aluminum heads, ensuring a secure and hassle-free installation. Built with a nickel center electrode tip and a flat seat type, this spark plug is engineered for durability and optimal performance. It boasts a lifespan twice as long as most conventional plugs, delivering over 30,000 miles of reliable operation. Pre-fired to guarantee consistent performance, it is compatible with a wide range of vehicles, including classic and collector cars. This spark plug is a dependable choice for maintaining OE performance while maximizing engine efficiency and longevity.

Product Features:
  • Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
  • Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Lasts twice as long as most conventional plugs
  • 100 percent pre-fired to assure reliable operation
  • U-Groove Conventional
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Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP5325)

Double Platinum Spark Plug: Enhanced Durability & Performance

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$6.99
Double Platinum Spark Plug offers enhanced durability and performance with its platinum-to-platinum design, effectively reducing gap erosion and minimizing misfires for a longer service life. Engineered for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. Featuring a mid-projection center electrode and flat seat type, this performance-grade spark plug is built with platinum-tipped electrodes for consistent ignition and lasting reliability. Designed to deliver exceptional value, it is a dependable choice for maintaining peak engine performance.

Product Features:
  • Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
  • The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
  • Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
  • The multi-rib insulator prevents flash-over.
  • Designed with a mid-projection center electrode and flat seat type to ensure consistent ignition and reliable performance in demanding conditions.
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Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5325)

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: Offers improved durability and wear resistance for a longer-lasting spark plug.
  • Designed and Engineered in the USA: Reflects over 100 years of Autolite’s engineering experience and expertise.
  • Gasket Seat Type: Ensures a secure and proper fit for optimal performance.
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Autolite Iridium – Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision (Part No.AI5702)

Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision

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.
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Most Popular Spark Plugs for 2021 Hyundai Tucsons

Enhance your 2021 Hyundai Tucson with one of the 6 Spark Plugs we have in stock, starting at just $6.99.

DENSO – Iridium Long-Life Spark Plug: OE Performance, SXU22HCR11S (Part No.3461)

Iridium Long-Life Spark Plug: OE Performance, SXU22HCR11S

from

$21.99
Engineered to meet the highest OE standards for performance, durability, and emissions, this Iridium Long-Life Spark Plug is a top-tier choice for your vehicle. Featuring DENSO’s patented Iridium Alloy with a 90% Iridium fine wire center electrode, it delivers exceptional spark performance and longevity. The platinum ground electrode ensures extended life, while the 360-degree laser welding process guarantees a robust bond and structural integrity. Designed to endure extreme temperatures exceeding 4,000 Deg F, this spark plug is perfect for high-performance ignition systems and specialized fuel setups. With a lifespan of over 100,000 miles, it lasts up to three times longer than conventional plugs, offering unmatched reliability and value. The flat seat type ensures a secure fit, making it a durable and efficient solution for your ignition needs.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
  • Platinum ground electrode for extended life
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life
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Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5702)

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: Offers improved 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, showcasing trusted performance and reliability.
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22I (Part No.5356)

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

from

$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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Autolite – Double Platinum Spark Plug: Enhanced Durability & Longer Service Life (Part No.APP5702)

Double Platinum Spark Plug: Enhanced Durability & Longer Service Life

from

$6.99
Double Platinum Spark Plug: Enhanced Durability & Longer Service Life is engineered for peak performance and reliability. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring consistent ignition and extended service life. The yttrium-enhanced ground electrode offers superior heat transfer, making it highly durable under extreme temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety. Designed with a mid-projection standard center electrode and flat seat type, this performance-grade spark plug is ideal for distributor-less ignition system (DIS) engines. Both the center and ground electrode tips are crafted from platinum, delivering unmatched durability and efficiency. With a built-in resistor, this spark plug ensures smooth operation and reliable performance, making it a valuable upgrade over copper and standard platinum plugs. Perfect for drivers seeking enhanced ignition reliability and longer-lasting durability.

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 built-in resistor to ensure smooth operation and reliable performance, enhancing ignition efficiency and reducing electromagnetic interference.
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Autolite Iridium – Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision (Part No.AI5702)

Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision

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.
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E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.80)

DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency

from

$8.49
The Premium DiamondFire Automotive Spark Plug is engineered to deliver exceptional performance and efficiency for your vehicle. Featuring E3’s patented Diamond Fire edge-to-edge ground electrode, it ensures a faster, more complete burn for smoother acceleration and idle. The innovative “diamond-shaped” side wire electrode enhances combustion by projecting the spark to ignite the air/fuel mixture more quickly, resulting in a larger and faster flame kernel. This advanced design improves power output by up to 6% on average within typical operating ranges, while also promoting fuel savings and reducing engine carbon deposits. Crafted with nickel center and ground electrode tips, this spark plug offers durability and consistent performance. Pre-gapped at the factory for convenience, it eliminates the need for adjustments, making installation hassle-free. Upgrade to this spark plug for cleaner combustion, improved efficiency, and a noticeable boost in engine performance.

Product Features:
  • E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
  • Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
  • Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
  • Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
  • E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
  • The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
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Top-Rated Spark Plug Brands For Your 2021 Hyundai Tucson

When it comes to finding the perfect Spark Plug for your 2021 Hyundai Tucson, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Spark Plug brands including DENSO and Autolite, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $10.99. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 2021 Hyundai Tucson, providing peace of mind with parts that meet or exceed OEM standards.

Popular DENSO 2021 Hyundai Tucson Spark Plugs

If you’re looking for a top-quality Spark Plug for your 2021 Hyundai Tucson, Advance Auto Parts has exactly what you need with our selection of DENSO Spark Plugs. We have 2 DENSO Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $13.29 and an average cost of $17.64, you’ll find the perfect Spark Plug for your needs and budget. DENSO Spark Plugs for the 2021 Hyundai Tucson come highly rated, with over 160 customer reviews and an impressive average rating of 4.6 stars. Choosing a DENSO Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Iridium Long-Life Spark Plug: OE Performance, SXU22HCR11S
from $21.99
(117)
Iridium Long-Life Spark Plug: OE Performance, SXU22HCR11S
“These are OEM plugs, car runs great with them. Only buy locally at advance auto as buying from online sources chances are they will be counterfeit.”
Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22I
from $13.29
(43)
Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22I
“right part first – time – car runs better with the refreshed plugs”

Top-Quality Autolite 2021 Hyundai Tucson Spark Plugs

For those in search of a high-quality Spark Plug for their 2021 Hyundai Tucson, Advance Auto Parts offers a great selection of Autolite Spark Plugs. With 1 Autolite Spark Plugs in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Spark Plugs start at just $10.99, giving you a range of options to suit your budget. Backed by over 136 customer ratings and an average rating of 4.6 stars, Autolite Spark Plugs provide both reliability and excellent performance. Choosing a Autolite Spark Plug from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 2021 Hyundai Tucson Spark Plugs

What are the best-selling Spark Plugs for 2021 Hyundai Tucsons?

Out of 6 Spark Plugs that fit 2021 Hyundai Tucsons, the following parts are the top sellers:

What’s the price range for 2021 Hyundai Tucson Spark Plugs?

The prices of Spark Plugs for the 2021 Hyundai Tucson range from $6.99 up to $21.99 for the most premium parts.

What is the average price of a Spark Plug for a 2021 Hyundai Tucson?

The average price for Spark Plugs for the 2021 Hyundai Tucson is $12.12. Keep in mind the variety of part types within our Spark Plug category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Spark Plugs for other Hyundai Tucson model years?

Yes, we carry Spark Plugs for 14 model years of Hyundai Tucsons between 2005 and 2020. The following model years are the most popular for Spark Plug purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2012, and 2011.

What are the cheapest Spark Plugs for my 2021 Hyundai Tucson?

Does Advance Auto Parts sell Spark Plugs for any other 2021 Hyundai models?

Yes. We stock Spark Plugs for 1 other popular 2021 Hyundai models. Some of the most popular are 2021 Accent Spark Plugs and 2021 Veloster Spark Plugs.

What are the top-rated Spark Plugs that fit the 2021 Hyundai Tucson?

The one 2021 Hyundai Tucson Spark Plug we have in stock is the Double Platinum Spark Plug: Enhanced Durability & Longer Service Life. It costs $6.99.

What types of Spark Plugs do you sell for my 2021 Hyundai Tucson?

We currently have just 1 Spark Plug in stock for a 2021 Hyundai Tucson, and as of 11/2/25, it is a Spark Plug.

Can I get help with 2021 Hyundai Tucson Spark Plug orders?

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

What is your return policy for Hyundai Tucson Spark Plugs?

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