Top 10 Best Spark Plugs for Subaru Outback Series

14 pc NGK Iridium IX Spark Plugs for Subaru Outback 2.5L H4 2013-19

Best in Budget

• This 4 pack NGK Iridium IX Spark Plug is compatible with Subaru Outback 2019, 2018, 2017, 2016, 2015, 2014, 2013 2.5L H4
• Genuine NGK Parts
• Includes original packaging and hardware
• Direct replacement auto parts
• Confirm vehicle fitment with Amazon Confirmed Fit

2NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) Compatible With SUBARU OUTBACK 2.5I 2013-2017 2.5L/2498cc

Editor’s Pick

• 4 pack NGK Laser Iridium 93482 Spark Plug
• Genuine NGK Parts
• Includes original packaging and hardware
• Direct replacement auto parts
• Confirm vehicle fitment with Amazon Confirmed Fit

3NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) Compatible With SUBARU LEGACY 2.5I SPORT 2014-2014 2.5L/2498cc

People’s Choice

• Engine H4, Engine Size 2.5L/2498cc
• Engine Family 4-cylinder
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer.
• Copper core aids in heat removal. Triple seals prevent leakage
• Sold In 4 Pack

4A-Premium Iridium Platinum Spark Plugs Pack of 4, Fine Wire, 2.5L H4

• [Reference Number]: A-Premium Spark Plugs fit for 127, SIFR6A11, 22401AA730, 22401AA731
• [Vehicle Fitment]: Compatible with Outback spark plugs; Compatible with Subaru Legacy 2010-2012 H4 2.5L, Outback 2010-2012 H4 2.5L
• [Specifications]: ①Eletrode Tip Material: Iridium+Platinum; ②Seat Type: Flat; ③Installation Torque 25-30 N.m; ④Pre-Gap Size: 0.044 IN, 1.1 mm; ⑤Hex Size: 5/8 IN, 16 mm; ⑥Insulator Height: 1.99 IN, 50.5 mm; ⑦Reach: 0.750 IN, 19.0 mm; ⑧Thread Size: M14-1.25; ⑨Resistance: 3-9kΩ
• [Fine Iridium Tip]: Fine iridium tip lowers spark voltage for smoother cold starts and quicker throttle response. Platinum helps maintain a sturdy gap longer than standard plugs.
• [Engineered for Longevity]: For optimal engine performance and longevity, it is recommended to replace platinum iridium spark plugs at mileage intervals of 60,000 to 100,000 miles

5PLA418 Ignition Coils Spark Plugs Kit for OUTBACK LEGACY, 22433AA81A UF877

• Complete Ignition Tune-Up Kit: 4 Ignition Coils + 4 Spark Plugs + 1 Installation Instruction Manual, specially designed for Subie LEGACY, OUTBACK 2.5L engines. Designed for easy and hassle-free installation. Powerlord recommend full set replacement: on high-mileage engines, all coils share identical heat stress and wear. Replacing them at once avoids frequent repairs, protects engine lifespan
• PLA418 Vehicle Fitment Check: Compatible with SUBARU 2020-2025 LEGACY 2.5L (From 01/01/2020) / 2020-2025 OUTBACK 2.5L (From 01/01/2020). Please check OE: UF 877, 22433 AA81A, UF 877, 22433 AA81A
• Iridium-Ceramic Spark Plugs: Powerlord Spark Plugs kit features Spark Plugs with iridium electrodes and unique ceramic bodies, delivering sharper ignition, superior high-temperature resistance and extended service life. Pre-gapped at 0.032'' (0.8mm). Minor adjustments via gap tool / feeler gauge are acceptable for specific engine conditions, keep gaps within ±0.004'' (0.1mm) of OE specs for optimal performance
• PLA418: Powerlord Ignition Coil set product – W series. It is a choice for standard replacement. The recommended lifespan for this series: PLA424: Powerlord Ignition Coil set product – W series. It is a choice for standard replacement. The recommended lifespan for this series: Ignition Coils – 24 months or 30,000 miles; Spark Plugs – 18 months or 20,000 miles
• Common Signs for Ignition System Replacement: engine misfire, rough idle, vehicle shaking, start-up failure, speeding up slowly, increasing fuel consumption, or check engine light concerns. Powerlord complete Ignition Coil & Spark Plug Kit may a reliable, cost-effective solution to resolve them

64Pcs Iridium Spark Plug DILKAR7Q8 91899 Fit for Subaru Crosstrek Forester 2019-2024 Impreza 2024 Legacy Outback 2020-2024 2.0L 2.5L H4

• Compatible Models: Fit for Subaru Crosstrek 2L H4 2019-2023. Fit for Subaru Crosstrek 2.5L H4 2021-2024. Fit for Subaru Forester 2.5L H4 2019-2024. Fit for Subaru Impreza 2L H4 2024. Fit for Subaru Impreza 2.5L H4 2024. Fit for Subaru Legacy/Outback 2.5L H4 2020-2024
• Replacement Part Number: DILKAR7Q8 91899. Please carefully confirm the product's compatible model, engine displacement, and year to ensure they match your vehicle before purchasing to avoid incorrect purchase
• Reliable and Durable: Made from high-quality metal and ceramic materials, these iridium spark plugs can withstand extreme temperatures and pressures, ensuring reliable ignition and long-lasting durability. They maintain stable performance even under harsh conditions, guaranteeing long-term reliable use
• Efficient Ignition: High-quality spark plugs provide a strong and stable spark, promoting more complete fuel combustion and effectively reducing stalling and vibration issues. They offer consistently stable ignition performance during daily commutes, improving driving smoothness
• Quick Start: The spark plugs ignite quickly, effectively reducing starting difficulties. They maintain continuous output even under high temperature and pressure environments, improving efficiency and making the engine start faster and respond more sensitively

7NGK Spark Plug BKR5E-11- Set of 4

• Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.
• Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer
• NGK is the world's largest supplier of OEM spark plugs
• Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.
• This Listing is for 4 Spark Plugs

8NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4 Pack

• Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling
• The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect
• Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage
• Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines
• Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties

9Iridium Platinum Spark Plug SILZKAR7B11 4 Pack for Subaru Outback

• 【Perfect Fit】Iridium Spark Plugs Compatible with Subaru Outback 2013-2017 2.5L/2498cc, Legacy 2013-2017 2.5L/2498cc, Forester 2011-2018 2.5L/2498cc, Crosstrek 2016-2017 2.0L/1995cc, Impreza 2012-2016 2.0L/1995cc, XV Crosstrek 2013-2015 2.0L/1995cc–H4. For more information about the fit, please check the picture or detail page. Note: Please verify your vehicle's make, model, and engine size before purchasing to ensure compatibility.
• 【OE Replacement】Direct replacement for OE numbers SILZKAR7B11, 93482. These Iridium Spark Plugs meet or exceed OEM standards for form, fit, and function. Made from high-temperature resistant materials, they withstand extreme thermal stress, ensuring durability and reliability.
• 【Pre-Gapped Iridium Spark Plug】Each Iridium Spark Plug is pre-gapped to 1.0-1.1mm (0.039''-0.043''), ensuring optimal ignition performance and hassle-free installation. For additional specifications such as thread size, hex size, and reach, please refer to the product images for complete details.
• 【Iridium Design】Crafted with precious iridium platinum metal, these Iridium Spark Plugs offer stronger ignition performance, faster cold starts . The wear-resistant design enhances fuel efficiency, reduces carbon buildup, and extends engine life. Ideal for use in automobiles, trucks, SUVs, motorcycles, marine engines, and industrial equipment, these Iridium Spark Plugs are engineered to maximize engine power and improve overall vehicle performance.
• 【Customer Service & Quality Assurance】At SYKRSS, we prioritize your satisfaction. If you encounter any issues with our iridium platinum Iridium Spark Plugs, contact us directly, and we will respond within 48 hours. Backed by a 1-year repair and replacement service, our Iridium Spark Plugs are manufactured by a professional automotive component brand with a mature production line. Choose SYKRSS for high-quality, reliable performance, and exceptional customer support.

10Iridium Spark Plugs 4 Pack for Subaru Legacy Outback 2.5 2010 2011 2012

• [Reference Number]: 127, SIFR6A-11, SIFR6A11, 22401-AA731, 22401AA731, 22401-AA730,22401AA730, AI3923, XP3923
• [Vehicle Fitment]: This automotive spark plugs replacement for 2010 2011 2012 Subaru Legacy & Outback H4 2.5L
• [Exceptional Fuel Efficiency]: Our sparkplugs feature a 0.6mm finewire iridium centerwire tip design, coupled with advanced laser welded technology. This innovative combination ensures maximum fuel efficiency, allowing your engine to perform at its best while minimizing fuel consumption
• [Strict Quality Control]: Our car spark plugs undergo rigorous quality testing to address a range of common ignition system issues, including backfiring, misfiring, stalling, car shaking, engine jerking, poor idling and poor fuel economy etc. By ensuring the stability and reliability of the spark plug coil's high voltage output, our spark plugs provide improved performance throughout your engine's speed range
• [Package Included]: Set of 4 Iridium Spark Plugs. To give you peace of mind, We offer 12-month worry-free-warranty, If you encounter any issues with the spark plug you purchased from A-NAFTULY store,our dedicated customer support team is ready to assist you