2023 Subaru Outback Spark Plugs

Keep Your 2023 Subaru Outback 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 2023 Subaru Outback 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. For example, DENSO Spark Plugs start at just $11.99 with an average 4.6 star rating. With over 34 reviews and a solid 5 star average, you can shop with confidence knowing other Subaru Outback owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2023 Subaru Outback Spark Plug at Advance Auto Parts is around $19.49, with a range that starts at $11.99 and goes up to $26.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE22HR11 start at just $26.99 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 Sensors. At Advance Auto Parts, we’re here to help you keep your 2023 Subaru Outback in peak condition, inside and out.

Essential 2023 Subaru Outback Spark Plugs

NGK – Standard Nickel Spark Plug (BKR5ES-11): Reliable OE Performance (Part No.2382)

Standard Nickel Spark Plug (BKR5ES-11): Reliable OE Performance

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$5.99
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reli

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
  • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
  • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric 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
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
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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

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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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Champion – Double Platinum Power Spark Plug (RC10PYPB4): Enhanced Ignitability & Durability (Part No.7546)

Double Platinum Power Spark Plug (RC10PYPB4): Enhanced Ignitability & Durability

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$9.99
Champion Double Platinum Power spark plugs are engineered to deliver exceptional performance and durability for your vehicle. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, these spark plugs ensure greater wear resistance and sharper spark focus for a more efficient ignition process. The innovative Heat-Active alloy allows the electrodes to maintain optimal operating temperatures under all engine loads, ensuring consistent performance and reliability. The V-trimmed ground electrode design further enhances ignitability, promoting a stable and powerful spark. Designed as a standard replacement, these spark plugs are equipped with a resistor and a flat seat type for seamless compatibility with a wide range of engines. Whether you’re looking for improved fuel efficiency or long-lasting performance, these spark plugs are built to meet your needs with precision and quality.

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
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DENSO – Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition (Part No.4506)

Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition

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$5.99
The Platinum TT Spark Plug features a cutting-edge twin-tip design with a platinum center electrode, ensuring superior conductivity for efficient and consistent ignition. Its titanium-enhanced ground strap adds exceptional durability, making it a reliable choice for long-lasting performance. Engineered to optimize flame propagation, this spark plug promotes more complete combustion, improving engine efficiency and power output. The flat seat type ensures a secure fit, while the advanced materials enhance ignition reliability, making it ideal for automotive enthusiasts seeking enhanced performance and durability.

Product Features:
  • Platinum Twin-Tip Design: The Denso Platinum TT Spark Plug features a twin-tip design with a high-quality platinum center electrode, ensuring excellent conductivity and enhanced ignition performance.
  • Titanium-Enhanced Ground Strap: Equipped with a titanium-enhanced ground strap, this spark plug offers superior durability and longevity, making it a reliable choice for your vehicle’s ignition system.
  • Superior Conductivity: The platinum center electrode tip provides excellent conductivity, ensuring efficient and consistent ignition for improved engine performance.
  • Enhanced Ignition System: Designed to enhance your vehicle’s ignition system, the Denso Platinum TT Spark Plug delivers superior performance and reliability, making it an ideal choice for automotive enthusiasts.
  • Optimized Flame Propagation: Engineered to promote more complete combustion, this spark plug enhances engine efficiency and power output for a smoother and more powerful driving experience.
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Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP5683)

Double Platinum Spark Plug: Enhanced Durability & Performance

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$6.99
Double Platinum Spark Plug: Enhanced Durability & Performance is engineered for exceptional reliability and efficiency, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. The yttrium-enhanced ground electrode delivers superior heat transfer, providing unmatched durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for consistent performance. With a mid-projection center electrode and flat seat type, this performance-grade spark plug is designed to meet demanding engine requirements. Both the center and ground electrode tips are crafted from platinum, ensuring reliable ignition and enhanced durability. Whether you’re seeking improved engine efficiency or reduced maintenance, this spark plug delivers superior value and performance.

Product Features:
  • Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
  • The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
  • Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
  • The multi-rib insulator prevents flash-over.
  • Designed with a mid-projection center electrode and flat seat type to meet the demanding requirements of modern engines, ensuring consistent and reliable performance.
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NGK – G-Power Platinum Spark Plug (BKR5EGP): Enhanced Durability & Efficiency (Part No.7090)

G-Power Platinum Spark Plug (BKR5EGP): Enhanced Durability & Efficiency

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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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DENSO – Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FK20HR11 (Part No.3426)

Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FK20HR11

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$21.49
Engineered for unmatched performance, this Iridium Long-Life Spark Plug is crafted with DENSO’s patented Iridium Alloy, featuring a fine wire center electrode for superior ignition efficiency. Its Platinum Needle Tip Ground Electrode ensures higher spark energy while minimizing heat quenching, making it ideal for high-performance ignition systems. Built to endure extreme temperatures exceeding 4,000 Deg F, this spark plug is designed to last up to three times longer than conventional plugs, delivering sustained spark performance for over 100,000 miles. The 360-degree laser welding process guarantees a robust bond and structural integrity, ensuring reliability under demanding conditions. With a flat seat type and OE-level precision, this spark plug meets the highest standards for durability, emissions, and performance, making it a long-lasting and cost-effective solution for your vehicle’s ignition system.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
  • Platinum Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life (SIP)
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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH22TT (Part No.4712)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH22TT

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$11.99
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 promotes higher spark energy and reduces heat quenching. Built with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of Iridium for superior durability, complemented by a 360-degree laser welding process for exceptional structural strength. With the ability to withstand temperatures exceeding 4000 degrees Fahrenheit, it delivers reliable performance under extreme conditions. Its advanced Twin-Tip Technology enhances fuel economy, allowing you to drive around the Earth over four times with lower emissions. Constructed with durable materials, including an Iridium Center Electrode Tip and a Flat Seat Type, this spark plug ensures robust and efficient operation, making it a smart choice for drivers seeking endurance and peak performance.

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
  • Enhanced Fuel Economy: Drive around the Earth over 4 times with lower emissions and better fuel economy, thanks to the advanced Twin-Tip Technology.
  • Durable Materials: Constructed with an Iridium Center Electrode Tip and a Flat Seat Type, ensuring robust and reliable performance.
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NGK – Laser Platinum Spark Plug (FR5AP-11): Fine Wire Tip for Precision (Part No.5463)

Laser Platinum Spark Plug (FR5AP-11): Fine Wire Tip for Precision

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$18.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applica

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire platinum alloy center electrode provides consistent performance
  • PLATINUM ALLOY CENTER ELECTRODE: Longer wearing and higher temperature resistance compared to traditional nickel spark plugs
  • 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 platinum alloy plugs
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E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.56)

DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency

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$8.49
The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak 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 igniting the air/fuel mixture more quickly, resulting in a larger flame kernel and improved power output – up to 6% on average. Designed with nickel center and ground electrode tips, this spark plug offers durability and consistent performance. Its cleaner-burning combustion reduces engine carbon deposits and promotes fuel savings, making it an eco-friendly choice. Pre-gapped at the factory for hassle-free installation, this spark plug is a perfect blend of advanced technology and convenience, ensuring your engine runs at its best.

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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Autolite Iridium – Iridium Ultra Fine wire Spark Plug: Optimal Performance & Durability (Part No.AI3923)

Iridium Ultra Fine wire Spark Plug: Optimal Performance & Durability

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$10.99
Optimal Performance, Durability, Ignitability. The Autolite Iridium Ultra is an engineered OE replacement iridium spark plug featuring a laser-welded 0.5mm proprietary iridium alloy finewire center electrode that ensures optimal fuel efficiency, acceleration, and focused ignitability. Its nickel-plated shell resists corrosion, while the high-alumina ceramic insulator provides increased strength. Additionally, the proprietary platinum sidewire technology enhances durability and performance, making it a top choice for reliable ignition. It also features a resistor type and a flat seat type for added compatibility and performance.

Product Features:
  • Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
  • A laser-welded 0.5mm proprietary iridium alloy 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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Champion – Iridium Spark Plug (REC10WMPB4): Maximum Performance & Longevity (Part No.9775)

Iridium Spark Plug (REC10WMPB4): Maximum Performance & Longevity

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$11.99
Champion Iridium spark plug is engineered for peak performance and durability, featuring a fine-wire iridium center electrode laser-locked for precision and a platinum ground electrode for extended life. Designed to maintain stable operating temperatures under all engine loads, this plug ensures consistent ignition and optimal engine performance, regardless of engine type or ignition system. Its iridium-platinum combination delivers unmatched reliability and sharp spark focus, making it ideal for high-performance applications. With a flat seat type and integrated resistor, this spark plug is built to handle demanding conditions while maximizing efficiency and longevity. Perfect for drivers seeking superior ignition technology and lasting value.

Product Features:
  • Fine-wire iridium center electrode laser-locked to center electrode
  • Platinum ground to ensure high performance and long life
  • Maintains stable operating temperature under all engine loads
  • Greatest engine performance regardless of engine type or ignition system
  • Integrated resistor design enhances efficiency and durability under demanding conditions.
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Champion – Copper Plus Spark Plug (RC9MC4): Dependable Performance & Durability (Part No.434)

Copper Plus Spark Plug (RC9MC4): Dependable Performance & Durability

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$4.99
Copper Plus Spark Plug RC9MC4 delivers dependable performance and durability, making it an ideal choice for standard replacement needs. Featuring a copper core center electrode, it ensures precise heat range control for extended lifespan and consistent functionality. The nickel-tipped center and ground electrodes enhance conductivity while resisting corrosion, ensuring reliable ignition performance over time. Built to ISO and SAE Standards, this spark plug guarantees proven quality and compatibility with a wide range of vehicles. Its flat seat design and integrated resistor further contribute to optimal performance, making it a trusted solution for maintaining engine efficiency. Choose this spark plug for superior wear resistance and long-lasting reliability.

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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NGK – Laser Iridium Spark Plug (SILFR6C11): High Ignitability & Durability (Part No.7505)

Laser Iridium Spark Plug (SILFR6C11): High Ignitability & Durability

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$23.99
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 dur

Product Features:
  • ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: PSPE tip and 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
  • PSPE DESIGN: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE PSPE iridium alloy plugs
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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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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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NGK – Laser Iridium Spark Plug (SIFR6A11): High Ignitability & Durability (Part No.127)

Laser Iridium Spark Plug (SIFR6A11): High Ignitability & Durability

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$23.99
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: PSPE tip and 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
  • PSPE DESIGN: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE PSPE iridium alloy plugs
  • Superior Durability: The iridium-tipped center electrode is six times harder than platinum, ensuring long-lasting performance and reliability.
  • Enhanced Spark Performance: Features a raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems.
  • Quality Assurance: Tested to the highest standards to ensure quality and durability, providing peace of mind for vehicle owners.
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DENSO – Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition (Part No.4504)

Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition

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$3.99
The Platinum TT Spark Plug with its advanced twin-tip design ensures faster flame propagation for more complete combustion, enhancing ignition performance and efficiency. Featuring a platinum center electrode, it delivers excellent conductivity and durability, while the titanium-enhanced ground strap ensures superior performance and extended lifespan. The flat seat type provides a secure fit, making it compatible with a variety of vehicles. Designed for reliability and longevity, this spark plug is a dependable choice for maintaining consistent engine performance. Its high-quality materials and innovative design make it a valuable addition to your vehicle’s ignition system.

Product Features:
  • Platinum Twin-Tip Design: Features a platinum twin-tip design for enhanced ignition performance and efficiency.
  • Titanium-Enhanced Ground Strap: Equipped with a titanium-enhanced ground strap, ensuring superior performance and longevity.
  • High-Quality Platinum Center Electrode: The center electrode tip is made from high-quality platinum, providing excellent conductivity and durability.
  • Superior Performance and Longevity: Designed to deliver superior performance and extended lifespan, making it a reliable choice for your vehicle’s ignition needs.
  • Flat Seat Compatibility: The flat seat type ensures a secure and precise fit, making it suitable for a wide range of vehicle applications.
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NGK – Ruthenium HX Spark Plug (LKAR7AHX-S): High Ignitability & Durability (Part No.92274)

Ruthenium HX Spark Plug (LKAR7AHX-S): High Ignitability & Durability

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$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
  • Specialized OEM Tip Designs: Features DFE and PSPE tip designs for superior ignitability.
  • Industry-Leading Durability: Ruthenium center electrode ensures exceptional durability.
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Champion – Copper Plus Spark Plug (RC12YC): Dependable Performance & Durability (Part No.71)

Copper Plus Spark Plug (RC12YC): Dependable Performance & Durability

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$6.29
This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for reliable performance. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE Standards, it offers superior corrosion resistance and proven performance. The nickel copper alloy center electrode tip and flat seat type further enhance its reliability, making it a top choice for consistent engine 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
  • Reliable Engine Performance: Featuring a nickel copper alloy center electrode tip and flat seat type, this spark plug ensures consistent and reliable engine performance.
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NGK – G-Power Spark Plug (LKAR7BGP-S): Enhanced Durability & Efficiency (Part No.92649)

G-Power Spark Plug (LKAR7BGP-S): Enhanced Durability & Efficiency

from

$6.99
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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Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP5325)

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 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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NGK – Iridium IX Spark Plug (BKR6EIX-11): Enhanced Ignitability & Durability (Part No.3764)

Iridium IX Spark Plug (BKR6EIX-11): Enhanced Ignitability & Durability

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$14.99
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 c

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
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Motorcraft – Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-497)

Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption

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$7.79
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. With a platinum center and ground electrode tip, they are resistant to oxidation and arc erosion, ensuring long-lasting performance. The multi-rib insulator protects against misfires, and they are backed by Motorcraft’s Service Parts Warranty. Designed for exact fit in Ford, Lincoln, and Mercury vehicles, these spark plugs also help prevent false check engine lights and offer service intervals of up to 100,000 miles. Crafted with high-quality materials, Motorcraft Spark Plugs deliver reliable performance for a broad range of applications, including domestic and import cars and trucks of all makes and sizes.

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.
  • Enhanced Durability: Engineered to meet strict Ford engineering standards, these spark plugs are designed to provide long-lasting performance with a platinum center and ground electrode tip that resist oxidation and arc erosion.
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NGK – Laser Iridium Spark Plug (SILZKAR7B11): High Ignitability & Durability (Part No.93482)

Laser Iridium Spark Plug (SILZKAR7B11): High Ignitability & Durability

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$26.99
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 dur

Product Features:
  • ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: PSPE tip and 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
  • PSPE DESIGN: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE PSPE iridium alloy plugs
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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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Champion – Iridium Spark Plug (REC10WYPB4): Maximum Performance & Longevity (Part No.9006)

Iridium Spark Plug (REC10WYPB4): Maximum Performance & Longevity

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$9.99
The Champion Iridium spark plug is engineered for maximum performance and durability, making it a premium choice for your vehicle. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, it delivers exceptional ignitability and a sharper spark focus for optimal engine efficiency. The V-trimmed ground electrode ensures 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 and built-in resistor, this performance-grade spark plug is crafted to enhance engine longevity and reliability.

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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Champion – Double Platinum Power Spark Plug (REC10PYPB4): Enhanced Ignitability & Durability (Part No.7975)

Double Platinum Power Spark Plug (REC10PYPB4): Enhanced Ignitability & Durability

from

$8.99
The Double Platinum Power Spark Plug is engineered for drivers seeking enhanced performance and durability. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, this premium spark plug ensures greater wear resistance and sharper spark focus for reliable ignition. Its Heat-Active alloy optimizes electrode temperature under all engine loads, delivering consistent performance and improved ignitability. The V-trimmed ground electrode further enhances spark precision, while the flat seat design ensures a secure fit. Designed as a standard replacement, this spark plug is equipped with a resistor to minimize electrical interference. Built to maintain stable operating temperatures and withstand demanding conditions, it offers long-lasting performance and exceptional value for your vehicle.

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
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Most Popular Spark Plugs for 2023 Subaru Outbacks

Enhance your 2023 Subaru Outback with one of the 2 Spark Plugs we have in stock, starting at just $11.99.

DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH22TT (Part No.4712)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH22TT

from

$11.99
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 promotes higher spark energy and reduces heat quenching. Built with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of Iridium for superior durability, complemented by a 360-degree laser welding process for exceptional structural strength. With the ability to withstand temperatures exceeding 4000 degrees Fahrenheit, it delivers reliable performance under extreme conditions. Its advanced Twin-Tip Technology enhances fuel economy, allowing you to drive around the Earth over four times with lower emissions. Constructed with durable materials, including an Iridium Center Electrode Tip and a Flat Seat Type, this spark plug ensures robust and efficient operation, making it a smart choice for drivers seeking endurance and peak performance.

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
  • Enhanced Fuel Economy: Drive around the Earth over 4 times with lower emissions and better fuel economy, thanks to the advanced Twin-Tip Technology.
  • Durable Materials: Constructed with an Iridium Center Electrode Tip and a Flat Seat Type, ensuring robust and reliable performance.
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DENSO – Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE22HR11 (Part No.3442)

Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE22HR11

from

$26.99
Engineered for unmatched performance, this Iridium Long-Life Spark Plug is crafted with DENSO’s patented Iridium Alloy and a fine wire center electrode, delivering exceptional ignition efficiency and durability. Its Platinum Needle Tip Ground Electrode ensures higher spark energy while minimizing heat quenching, making it ideal for high-performance ignition systems. Built to endure extreme temperatures exceeding 4,000 Deg F, this spark plug is designed to last up to three times longer than conventional plugs, maintaining sustained spark performance for over 100,000 miles. The 360-degree laser welding process guarantees a robust bond and structural integrity, ensuring reliable operation under demanding conditions. With a flat seat type and adherence to strict OE standards for performance, durability, and emissions, this spark plug offers a perfect fit and long-lasting value for your vehicle.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
  • Platinum Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life (SIP)
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Top-Rated Spark Plug Brands For Your 2023 Subaru Outback

When it comes to finding the perfect Spark Plug for your 2023 Subaru Outback, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 1 trusted brands. We carry the most popular Spark Plug brands including DENSO, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $11.99. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 2023 Subaru Outback, providing peace of mind with parts that meet or exceed OEM standards.

Popular DENSO 2023 Subaru Outback Spark Plugs

If you’re looking for a top-quality Spark Plug for your 2023 Subaru Outback, Advance Auto Parts has exactly what you need with our selection of DENSO Spark Plugs. We have 1 DENSO Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.99, you’ll find the perfect Spark Plug for your needs and budget. DENSO Spark Plugs for the 2023 Subaru Outback come highly rated, with over 17 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.

FAQs for 2023 Subaru Outback Spark Plugs

What are the best-selling Spark Plugs for 2023 Subaru Outbacks?

Out of 2 Spark Plugs that fit 2023 Subaru Outbacks, the following parts are the top sellers:

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

The prices of Spark Plugs for the 2023 Subaru Outback range from $11.99 up to $26.99 for the most premium parts.

What is the average price of a Spark Plug for a 2023 Subaru Outback?

The average price for Spark Plugs for the 2023 Subaru Outback is $19.49. 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 Subaru Outback model years?

Yes, we carry Spark Plugs for 21 model years of Subaru Outbacks between 2000 and 2022. The following model years are the most popular for Spark Plug purchases: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, and 2011.

What are the cheapest Spark Plugs for my 2023 Subaru Outback?

The cheapest 2023 Subaru Outback Spark Plugs we carry are:

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

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

What are the top-rated Spark Plugs that fit the 2023 Subaru Outback?

The one 2023 Subaru Outback Spark Plug we have in stock is the Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH22TT. It is rated 5 stars and costs $11.99.

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

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

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

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

What is your return policy for Subaru Outback Spark Plugs?

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