Best Spark Plugs For Subaru Forester: image
Editor's Pick

  • Brand:NGK
  • Core Material:Iridium
  • Top Material Type:Metal

Best Bang for the Buck

  • Brand:NGK
  • Core Material:Copper
  • Top Material Type:Metal

Most Discussed

  • Brand:E3
  • Gap Size:0.04 Inches
  • Thread Size:14mm
  • Top Material Type:Alloy Steel
  • Vehicle Service Type:Car

Best Spark Plugs For Subaru Forester

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Top 10 Best Spark Plugs For Subaru Forester

1

E3 Spark Plug E3.48 Automotive Spark Plug

1,121 ratings | 18 offers | 1,121 Reviews
Price: $6.29$25.8
Why we chose it
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 3 legs that help facilitate excellent heat transfer and increase turbulence in the cylinder
  • WARRANTY: Often used for imports. Unique ground electrode and full-size center electrode provides optimal performance guaranteed for five years or 100,000 miles
  • WHAT’S INCLUDED: One (1) E3.48 spark plug. Features 14mm thread diameter 0.750-inch thread reach plug with gasket seat 5/8-inch hex size
  • FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of import applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
  • INCREASED DURABILITY: Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for up to 8% reduction in side wire temperature for less pre-ignition
E3 Spark Plug E3.48 Automotive Spark Plug: image
90%
customers recommend this product
4.5/ 5
Easy to install4.3
Value for money4.2
Mileage4.1
Longevity4
2

NGK IFR5E11 Laser Iridium Spark Plug

51 ratings | 11 offers | 51 Reviews
Price: $10.19$16.53
Why we chose it
  • Better fuel economy and lower emissions, Trivalent Metal Plating for superior anti-corrosion and anti-seizing
  • Laser welded Iridium center electrode tip ensures high durability and greater spark
  • Platinum disc welded to backside of ground electrode provides long life
  • Longer insulator nose prevents fouling, corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage
  • Faster starts and quicker acceleration
NGK IFR5E11 Laser Iridium Spark Plug: image
90%
customers recommend this product
4.5/ 5
Mileage4
Value for money3.8
3

NGK (5463) FR5AP-11 Laser Platinum Spark Plug, Pack of 1

144 ratings | 8 offers | 144 Reviews
Price: $8.06$11.8
Why we chose it
  • Easy installation
  • Includes laser welded platinum tip on center electrode and platinum tip on the ground electrode
  • You can depend on NGK for quality and reliability
  • Taper cut reduces the voltage necessary and provides better throttle response
  • Constructed from durable material
NGK (5463) FR5AP-11 Laser Platinum Spark Plug, Pack of 1: image
94%
customers recommend this product
4.7/ 5
Easy to install5
Mileage4.5
Value for money4.2
4

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
  • Improved Ignition
  • You can depend on NGK for quality and reliability
  • Lower Required Voltage
  • Superior Anti-Fouling
NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1: image
94%
customers recommend this product
4.7/ 5
5

E3 Spark Plugs E3.56 Spark Plug Automotive, Pack of 1

219 ratings | 16 offers | 219 Reviews
Price: $6.29$25.8
Why we chose it
  • INCREASED DURABILITY: Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for up to 8% reduction in side wire temperature for less pre-ignition
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 3 legs that help facilitate excellent heat transfer and increase turbulence in the cylinder
  • WHAT’S INCLUDED: One (1) E3.56 spark plug. Features 14mm thread diameter 0.750-inch thread reach plug with gasket seat 5/8-inch hex size
  • WARRANTY: Often used for imports. Unique ground electrode and full-size center electrode provides optimal performance guaranteed for five years or 100,000 miles
  • FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of late model applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
E3 Spark Plugs E3.56 Spark Plug Automotive, Pack of 1: image
78%
customers recommend this product
3.9/ 5
Mileage3.1
Value for money2.6
6

NGK (6741) IFR6E11 Spark Plug – Pack of 4

6 ratings | 2 offers | 6 Reviews
Price: $43.48$45.98
Why we chose it
  • Anti-counterfeit query method for NGK spark plug
  • 1. the thread workmanship, the ceramic body and the metal body connecting part of the white powder, can be wiped out by hand, powder is sealed washer stamping into the special,if it’s fake,is intentionally sticky with glue, so cannot be wiped.
  • 2.spark plug metal parts or ceramic and metal joint position has a four digit number, this is the production batch, you can call the manufacturer to inquire.
  • 3. the licensed products have stickers on the single package of the products. The oval white sticky paper is marked on the production area, importers, enterprise standards and so on.
  • 100% genuine NGK Spark plug from NGK factory
NGK (6741) IFR6E11 Spark Plug - Pack of 4: image
80%
customers recommend this product
4/ 5
7

Denso (4704) IKH20TT Iridium TT Spark Plug, (Pack of 1)

87 ratings | 7 offers | 87 Reviews
Price: $10.83$22.17
Why we chose it
  • 0.4mm Iridium Center Electrode
  • 0.7mm Platinum Ground Electrode
  • Larger spark translates to more power and superior fuel economy
  • Denso # 4704
  • 0.4 mm iridium center electrode, world’s smallest diameter that maximizes firing potential
Denso (4704) IKH20TT Iridium TT Spark Plug, (Pack of 1): image
90%
customers recommend this product
4.5/ 5
Value for money3.6
Mileage3.5
Longevity3
8
Why we chose it
  • Engine Family 4-cylinder
  • Copper core aids in heat removal. Triple seals prevent leakage
  • 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 H4, Engine Size 2.5L/2498cc
  • Sold In 4 Pack
NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) Compatible With SUBARU FORESTER 2.5I 2014-2015 2.5L/2498cc: image
100%
customers recommend this product
5/ 5
9

Fram Autolite XP5682-4PK Iridium XP Spark Plug, Pack of 4

36 ratings | 7 offers | 36 Reviews
Price: $18.88$30.81
Why we chose it
  • V-trimmed ground electrode for improved ignitability
  • Limited lifetime warranty
  • Platinum protected ground wire for maximum efficiency in all ignition types
  • Better overall ignitability and optimum performance
  • Iridium-enhanced 0.6mm finewire design for optimal durability and performance
Fram Autolite XP5682-4PK Iridium XP Spark Plug, Pack of 4: image
86%
customers recommend this product
4.3/ 5
Value for money3.8
Mileage3.5
Top Pick
10

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

775 ratings | 10 offers | 775 Reviews
Price: $27.7$33.88
Why we chose it
  • 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
  • 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
  • Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling
NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix),4 Pack: image
94%
customers recommend this product
4.7/ 5
Value for money4.5
Longevity4.3
Mileage4.3
Top Pick
NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix),4 Pack
NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix),4 Pack
Ranking the Brands
E3: 10.00%
NGK: 50.00%
: 10.00%
E3 Spark Plugs: 10.00%
Denso: 10.00%
Autolite: 10.00%

Comparison Table

Сomparison: E3 Spark Plug E3.48 Automotive Spark Plug: imageСomparison: NGK IFR5E11 Laser Iridium Spark Plug: imageСomparison: NGK (5463) FR5AP-11 Laser Platinum Spark Plug, Pack of 1: imageСomparison: NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1: imageСomparison: E3 Spark Plugs E3.56 Spark Plug Automotive, Pack of 1: imageСomparison: NGK (6741) IFR6E11 Spark Plug - Pack of 4: imageСomparison: Denso (4704) IKH20TT Iridium TT Spark Plug, (Pack of 1): imageСomparison: NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) Compatible With SUBARU FORESTER 2.5I 2014-2015 2.5L/2498cc: imageСomparison: Fram Autolite XP5682-4PK Iridium XP Spark Plug, Pack of 4: imageСomparison: NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix),4 Pack: image
E3 Spark Plug E3.48 Automotive Spark PlugNGK IFR5E11 Laser Iridium Spark PlugNGK (5463) FR5AP-11 Laser Platinum Spark Plug, Pack of 1NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1E3 Spark Plugs E3.56 Spark Plug Automotive, Pack of 1NGK (6741) IFR6E11 Spark Plug – Pack of 4Denso (4704) IKH20TT Iridium TT Spark Plug, (Pack of 1)NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) Compatible With SUBARU FORESTER 2.5I 2014-2015 2.5L/2498ccFram Autolite XP5682-4PK Iridium XP Spark Plug, Pack of 4NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix),4 Pack
BrandE3NGKNGKE3 Spark PlugsNGKDensoNGKAutoliteNGK
Top Material TypeAlloy SteelMetalAlloy SteelMetalNickelMetal
ManufacturerE3 Spark PlugsE3 Spark PlugsNGKDensoNGKFRAMNGK
Item Weight1.6 ounces3.2 ounces7 ounces1.6 ounces6.4 ounces0.16 ounces
Product Dimensions6.1 x 4.1 x 0.8 inches4.75 x 3.6 x 1 inches3.31 x 0.94 x 3.32 inches3.66 x 0.98 x 0.98 inches
Is Discontinued By ManufacturerNoNoNoNoNoNo
ExteriorMachinedMachinedPaintedChromePainted
Core MaterialIridiumIridiumCopperCopperIridiumIridium

Products with 5 star rating

Tips and advices on YouTube

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