Best Spark Plugs For Subaru Legacy
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Top 10 Best Spark Plugs For Subaru Legacy
1
OEM Subaru Spark Plug Set (6) Tribeca Legacy Outback 3.6 2009-2017 22401AA751
Price: $77.5 – $104.99
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
2
Autolite XP3924-4PK Iridium XP Spark Plug, 4 Pack
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
- Mileage4.5
- Longevity4.4
- Value for money4.1
3
Fram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4
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
- Value for money4.4
- Mileage4.1
4
NGK (3764) BKR6EIX-11 Iridium IX Spark Plug (4 Pack)
Price: $25.9 – $38.92
Why we chose it
- Spark Plug
- BKR6EIX-11
- Value for money4.6
- Mileage4.5
- Longevity4.5
5
NGK 1483 LFR6CGP G-Power Platinum Spark Plug
Price: $7.02 – $15.85
Why we chose it
- Package Weight : 0.12 pounds
- OEM/OES Manufacturer
- Made in China
- World Wide Leader
6
NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1
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
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
8
Denso (3442) FXE22HR11 Spark Plugs, Pack of 4
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
9
Why we chose it
- No Core Charge Req.
- Single Quantity
- Weight: 0.11lbs
10
Champion Double Platinum Power 7975 Spark Plug (Carton of 1)
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
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
| | | | | | | | | | |
| OEM Subaru Spark Plug Set (6) Tribeca Legacy Outback 3.6 2009-2017 22401AA751 | Autolite XP3924-4PK Iridium XP Spark Plug, 4 Pack | Fram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4 | NGK (3764) BKR6EIX-11 Iridium IX Spark Plug (4 Pack) | NGK 1483 LFR6CGP G-Power Platinum Spark Plug | NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1 | NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) Compatible With SUBARU LEGACY 2.5I SPORT 2017-2017 2.5L/2498cc | Denso (3442) FXE22HR11 Spark Plugs, Pack of 4 | 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 | Champion Double Platinum Power 7975 Spark Plug (Carton of 1) | |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | SUBARU | FRAM | FRAM | NGK | NGK | – | NGK | Denso | NGK | Champion |
| Brand | Subaru | Autolite | Autolite | NGK | NGK | NGK | NGK | Denso | NGK | Champion |
| Is Discontinued By Manufacturer | No | No | No | No | – | – | – | No | No | No |
| Core Material | – | Iridium | Platinum | – | Platinum | Iridium | Copper | – | Iridium | – |
| Top Material Type | – | Nickel | Nickel, Alloy Steel | – | Metal | – | Metal | – | Metal | – |
| Item Weight | – | 7.8 ounces | 1.76 ounces | 7 ounces | 1.92 ounces | – | – | 5.6 ounces | 0.88 ounces | 1.13 pounds |
| Country of Origin | – | Mexico | Mexico | – | – | – | – | – | Japan | China |
| Product Dimensions | – | – | 1 x 1 x 3.38 inches | 3.31 x 0.94 x 3.32 inches | 9.4 x 2.4 x 2.1 inches | – | – | 4.5 x 1 x 3.5 inches | 4.35 x 2.24 x 2.08 inches | 0.8 x 0.9 x 3.7 inches |
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