Best Spark Plugs For Subaru Legacy: image
Honorable Mention

  • Brand:Autolite
  • Core Material:Platinum
  • Top Material Type:Nickel, Alloy Steel

Best Spark Plugs For Subaru Legacy

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Top 10 Best Spark Plugs For Subaru Legacy

1
Why we chose it
  • Spark Plugs 22401AA751 X6
  • 2010-2014 Tribeca 3.6
  • FREE SHIPPING
  • 2010-2017 Legacy 3.6 and Outback 3.6
  • Genuine Subaru Spark Plugs for your Subaru 6cyl
OEM Subaru Spark Plug Set (6) Tribeca Legacy Outback 3.6 2009-2017 22401AA751: image
96%
customers recommend this product
4.8/ 5
2

Autolite XP3924-4PK Iridium XP Spark Plug, 4 Pack

66 ratings | 8 offers | 66 Reviews
Price: $16.66$31.5
Why we chose it
  • Designed for better overall durability with virtually no gap erosion for longer plug life
  • Patented V-trimmed platinum side wire technology resists wear
  • Fit Type: Vehicle Specific
  • OE equivalent design is engineered for every engine to ensure the right plug for your vehicle
  • Attached motor seat gasket and terminal nut
  • Iridium-enhanced platinum alloy 0.6mm fine wire center electrode for improved ignitibility performance
Autolite XP3924-4PK Iridium XP Spark Plug, 4 Pack: image
90%
customers recommend this product
4.5/ 5
Mileage4.5
Longevity4.4
Value for money4.1
3

Fram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4

414 ratings | 11 offers | 414 Reviews
Price: $10.29$22.65
Why we chose it
  • Platinum alloy pad on ground electrode provides extended durability and service life and platinum-to-platinum firing
  • Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts, quicker acceleration, and improved fuel economy
  • Nickel-plated steel shell for long-life corrosion resistance
  • Fit type: Vehicle Specific
  • Yttrium enhanced, high nickel alloy side electrode maintains precise gap to increase plug life
  • Full platinum tip ensures virtually no gap erosion for long plug life
Fram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4: image
90%
customers recommend this product
4.5/ 5
Value for money4.4
Mileage4.1
Top Pick
4

NGK (3764) BKR6EIX-11 Iridium IX Spark Plug (4 Pack)

483 ratings | 12 offers | 483 Reviews
Price: $25.9$38.92
Why we chose it
  • Spark Plug
  • BKR6EIX-11
NGK (3764) BKR6EIX-11 Iridium IX Spark Plug (4 Pack): image
94%
customers recommend this product
4.7/ 5
Value for money4.6
Mileage4.5
Longevity4.5
5

NGK 1483 LFR6CGP G-Power Platinum Spark Plug

3 ratings | 9 offers | 3 Reviews
Price: $7.02$15.85
Why we chose it
  • Package Weight : 0.12 pounds
  • OEM/OES Manufacturer
  • Made in China
  • World Wide Leader
NGK 1483 LFR6CGP G-Power Platinum Spark Plug: image
100%
customers recommend this product
5/ 5
6

NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1

58 ratings | 3 offers | 58 Reviews
Price: $10.59$21.11
Why we chose it
  • Better Center Electrode Anti-Oxidation and Anti-Erosion
  • You can depend on NGK for quality and reliability
  • Lower Required Voltage
  • Improved Ignition
  • Superior Anti-Fouling
NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1: image
94%
customers recommend this product
4.7/ 5
7
Why we chose it
  • Copper core aids in heat removal. Triple seals prevent leakage
  • Sold In 4 Pack
  • 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.
  • Engine Family 4-cylinder
  • Engine H4, Engine Size 2.5L/2498cc
NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) Compatible With SUBARU LEGACY 2.5I SPORT 2017-2017 2.5L/2498cc: image
100%
customers recommend this product
5/ 5
8

Denso (3442) FXE22HR11 Spark Plugs, Pack of 4

3 ratings | 4 offers | 3 Reviews
Price: $56.65$64.98
Why we chose it
  • 0.7 mm Platinum Needle Tipped Ground Electrode
  • 0.5 mm Fine Wire Iridium Center Electrode
  • Denso # 3442
  • Extra Long Life Iridium Plug
Denso (3442) FXE22HR11 Spark Plugs, Pack of 4: image
92%
customers recommend this product
4.6/ 5
9
Why we chose it
  • No Core Charge Req.
  • Single Quantity
  • Weight: 0.11lbs
NGK SILFR6C11 NGK Laser Iridium Spark Plugs Offer The Best Combination of Performance and Longevity. Actual OE or Equivalent Replacement Spark Plug. Spark Plug NGK Laser Iridium Spark Plug: image
100%
customers recommend this product
5/ 5
10

Champion Double Platinum Power 7975 Spark Plug (Carton of 1)

7 ratings | 9 offers | 7 Reviews
Price: $4.23$17.47
Why we chose it
  • An exclusive heat-active alloy allows the electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads
  • Double platinum conductors place platinum on both the center and ground electrodes to ensure longer plug life and minimize wear on both electrode surfaces
  • The fine-wire and V-trimmed electrode creates a sharper spark focus than a conventional spark plug
  • Fine-wire center electrode for greater ignitability
  • Platinum center and ground electrode for greater wear resistance
  • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
  • Champion double platinum spark plugs utilize an exclusive heat-active alloy The dual platinum fine-wire center electrode and platinum pad electrodes provide sharper spark focus and maximize plug life
  • Maintains stable operating temperature under all engine loads
  • V-trimmed ground electrode promotes sharper spark focus
Champion Double Platinum Power 7975 Spark Plug (Carton of 1): image
78%
customers recommend this product
3.9/ 5
Top Pick
NGK (3764) BKR6EIX-11 Iridium IX Spark Plug (4 Pack)
NGK (3764) BKR6EIX-11 Iridium IX Spark Plug (4 Pack)
Ranking the Brands
Subaru: 10.00%
Autolite: 20.00%
NGK: 50.00%
Denso: 10.00%
Champion: 10.00%

Comparison Table

Сomparison: OEM Subaru Spark Plug Set (6) Tribeca Legacy Outback 3.6 2009-2017 22401AA751: imageСomparison: Autolite XP3924-4PK Iridium XP Spark Plug, 4 Pack: imageСomparison: Fram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4: imageСomparison: NGK (3764) BKR6EIX-11 Iridium IX Spark Plug (4 Pack): imageСomparison: NGK 1483 LFR6CGP G-Power Platinum Spark Plug: imageСomparison: NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1: imageСomparison: NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) Compatible With SUBARU LEGACY 2.5I SPORT 2017-2017 2.5L/2498cc: imageСomparison: Denso (3442) FXE22HR11 Spark Plugs, Pack of 4: imageСomparison: NGK SILFR6C11 NGK Laser Iridium Spark Plugs Offer The Best Combination of Performance and Longevity. Actual OE or Equivalent Replacement Spark Plug. Spark Plug NGK Laser Iridium Spark Plug: imageСomparison: Champion Double Platinum Power 7975 Spark Plug (Carton of 1): image
OEM Subaru Spark Plug Set (6) Tribeca Legacy Outback 3.6 2009-2017 22401AA751Autolite XP3924-4PK Iridium XP Spark Plug, 4 PackFram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4NGK (3764) BKR6EIX-11 Iridium IX Spark Plug (4 Pack)NGK 1483 LFR6CGP G-Power Platinum Spark PlugNGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) Compatible With SUBARU LEGACY 2.5I SPORT 2017-2017 2.5L/2498ccDenso (3442) FXE22HR11 Spark Plugs, Pack of 4NGK SILFR6C11 NGK Laser Iridium Spark Plugs Offer The Best Combination of Performance and Longevity. Actual OE or Equivalent Replacement Spark Plug. Spark Plug NGK Laser Iridium Spark PlugChampion Double Platinum Power 7975 Spark Plug (Carton of 1)
ManufacturerSUBARUFRAMFRAMNGKNGKNGKDensoNGKChampion
BrandSubaruAutoliteAutoliteNGKNGKNGKNGKDensoNGKChampion
Is Discontinued By ManufacturerNoNoNoNoNoNoNo
Core MaterialIridiumPlatinumPlatinumIridiumCopperIridium
Top Material TypeNickelNickel, Alloy SteelMetalMetalMetal
Item Weight7.8 ounces1.76 ounces7 ounces1.92 ounces5.6 ounces0.88 ounces1.13 pounds
Country of OriginMexicoMexicoJapanChina
Product Dimensions1 x 1 x 3.38 inches3.31 x 0.94 x 3.32 inches9.4 x 2.4 x 2.1 inches4.5 x 1 x 3.5 inches4.35 x 2.24 x 2.08 inches0.8 x 0.9 x 3.7 inches

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