Best Spark Plugs For Fuel Economy: image
Best Overall

  • Brand:ACDelco
  • Core Material:Copper
  • Top Material Type:Nickel
  • Vehicle Service Type:Car

Honorable Mention

  • Brand:NGK
  • Core Material:Iridium
  • Vehicle Service Type:Motorcycle

Best Spark Plugs For Fuel Economy

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Top 10 Best Spark Plugs For Fuel Economy

1

6 New NGK Iridium IX Spark Plugs LFR5AIX-11 # 4469

1,451 ratings | 16 offers | 1,451 Reviews
Price: $35.8$54.86
Why we chose it
  • 1order 6 Pieces
  • Iridium
  • FREE SHIPPING to anywhere IN USA and territories For This Item
6 New NGK Iridium IX Spark Plugs LFR5AIX-11 # 4469: image
94%
customers recommend this product
4.7/ 5
Value for money4.5
Mileage4.4
Longevity4.3
2
Why we chose it
  • 1-year warranty with proof of purchase
  • Ceramic frame provide excellent resistance to high temperature
  • High performance NOT Original OE Number: BKR6EQUP To ensure 100% fit, please check your part number before buy
  • Precious center electrode for durability
  • If you are not sure the correct model of spark plugs, please contact us with your car VIN. We will response within 24 hours.
Spark Plugs 12120037607 BKR6EQUP 3199 for BMW E39 E46 M54 328i 528i X3 X5 Pack of 6: image
84%
customers recommend this product
4.2/ 5
3
Why we chose it
  • LONG ENGINE LIFE: Designed specifically for the performance enthusiast, Platinum offers extreme ignitability, improved throttle response.
  • OE No.: SP515 PZH14F
  • Lifetime Warrantly: Every single spark plug is inspected throughout the entire shipping process for not worry, out of the box performance
  • Start Easier: Henbrs spark plugs helps smooth out the throttle response
  • Long Life: Center electrode is made of noble metals Fuel Economy: Henbrs premium spark plugs offers better gas mileage
Henbrs Iridium Spark Plug High Performance Replacement PZH14F SP-515 For Ford F-150 F-250 F350 5.4L Pack of 8: image
86%
customers recommend this product
4.3/ 5
Mileage3.3
Value for money3.2
4

E3 Spark Plugs E3.74 Automotive Spark Plug, Pack of 1

562 ratings | 10 offers | 562 Reviews
Price: $7.49$21.71
Why we chose it
  • Significant potential fuel efficiency improvement: 4percent to 13percent depending on engine class
  • Drastic potential emissions reduction when used in 2 and 4-stroke engines after 50 hours: 58percent CO emissions reduction, 42percent hydrocarbon reduction
  • Significant potential power increase: 6percent to 12percent depending on engine class
  • Compatible with vehicle type: motorcycle
  • DiamondFire electrode technology that creates a superior spark and resulting flame front extending further into the cylinder, producing more localized pressure
E3 Spark Plugs E3.74 Automotive Spark Plug, Pack of 1: image
88%
customers recommend this product
4.4/ 5
Value for money3.5
Mileage3.4
Longevity3.1
5

Autolite APP3924-4PK Double Platinum Spark Plug, 4 Pack

111 ratings | 14 offers | 111 Reviews
Price: $12.99$41.64
Why we chose it
  • Fit type: Vehicle Specific
  • necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration
  • full platinum tips ensure virtually no gap erosion
  • full copper core electrode provides better performance in all conditions
  • high nickel alloy side electrode maintains precise gap
  • works to optimize engine performance for a longer life and improved fuel economy
Autolite APP3924-4PK Double Platinum Spark Plug, 4 Pack: image
92%
customers recommend this product
4.6/ 5
Mileage4.8
Value for money4.7
Longevity4.6
Top Pick
6
Why we chose it
    ACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug BOX OF 8: image
    96%
    customers recommend this product
    4.8/ 5
    Longevity4.7
    Easy to install4.6
    Mileage4.6
    Value for money4.5
    7

    NGK # 1465 Laser Iridium Spark Plug IZTR5B11 — 8 PCSNEW

    806 ratings | 13 offers | 806 Reviews
    Price: $56.89$81.01
    Why we chose it
    • Laser Iridium Premium
    • 1order 8 Pieces
    NGK # 1465 Laser Iridium Spark Plug IZTR5B11 --- 8 PCSNEW: image
    96%
    customers recommend this product
    4.8/ 5
    Value for money4.7
    Mileage4.6
    Longevity4.6
    8

    E3 Spark Plugs E3.70 Automotive Spark Plug, Pack of 1

    117 ratings | 25 offers | 117 Reviews
    Price: $9.69$37.91
    Why we chose it
    • FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits Ford Titan 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
    • WHAT’S INCLUDED: One (1) E3.70 spark plug. Features 16mm thread diameter 0.860-inch thread reach plug with taper seat 5/8-inch hex size
    • 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
    E3 Spark Plugs E3.70 Automotive Spark Plug, Pack of 1: image
    86%
    customers recommend this product
    4.3/ 5
    Mileage3.6
    Value for money3
    9
    Why we chose it
      Set of 8 OEM Motorcraft Platinum SP546 (SP515) HT15 Spark Plugs For Ford 5.4L: image
      92%
      customers recommend this product
      4.6/ 5
      Easy to install4.8
      Value for money4
      Mileage3.7
      Longevity3.4
      10
      Why we chose it
      • TRUST IN NGK NTK: Explore components built by the world leader in the design of spark plugs and oxygen sensors. Their attention to performance excellence is what has differentiated them from the competition and allowed them to be the number one supplier of spark plugs and oxygen sensors
      • IMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and deliver an outstanding spark for faster, stronger, and more powerful combustion over the life of the spark plug. The corrosion-resistant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency
      • This 16 pack NGK V-Power Spark Plug is compatible with Dodge Ram 1500 2008, 2007, 2006, 2005, 2004, 2003 5.7L V8 and is perfect for a tune up or performance upgrade.
      • REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your engine runs at its best. The durable shell reliably protects the spark plug from corrosion, ensuring long-lasting sparking capabilities. The center and ground electrodes promote sharper spark focus for fewer misfires
      • RELY ON QUALITY IGNITION COMPONENTS: From their start in 1936 through today, the NGK product line is proof of their dedication to innovation, performance, and quality. In order to deliver high-quality spark plugs and oxygen sensors to the automotive community, NGK has partnered with auto manufacturers to engineer automotive parts that fit both the vehicles of today and of the future
      16 pc NGK V-Power Spark Plugs compatible with Dodge Ram 1500 5.7L V8 2003-2008 Ignition Wire Secondary: image
      92%
      customers recommend this product
      4.6/ 5
      Value for money4.7
      Mileage4.2
      Longevity3.8
      Ranking the Brands
      NGK: 20.00%
      SHUJI: 10.00%
      Henbrs: 10.00%
      E3 Spark Plugs: 20.00%
      Autolite: 10.00%
      ACDelco: 10.00%
      Herko Automotive: 10.00%
      Sixity Auto: 10.00%

      Comparison Table

      Сomparison: 6 New NGK Iridium IX Spark Plugs LFR5AIX-11 # 4469: imageСomparison: Spark Plugs 12120037607 BKR6EQUP 3199 for BMW E39 E46 M54 328i 528i X3 X5 Pack of 6: imageСomparison: Henbrs Iridium Spark Plug High Performance Replacement PZH14F SP-515 For Ford F-150 F-250 F350 5.4L Pack of 8: imageСomparison: E3 Spark Plugs E3.74 Automotive Spark Plug, Pack of 1: imageСomparison: Autolite APP3924-4PK Double Platinum Spark Plug, 4 Pack: imageСomparison: ACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug BOX OF 8: imageСomparison: NGK # 1465 Laser Iridium Spark Plug IZTR5B11 --- 8 PCSNEW: imageСomparison: E3 Spark Plugs E3.70 Automotive Spark Plug, Pack of 1: imageСomparison: Set of 8 OEM Motorcraft Platinum SP546 (SP515) HT15 Spark Plugs For Ford 5.4L: imageСomparison: 16 pc NGK V-Power Spark Plugs compatible with Dodge Ram 1500 5.7L V8 2003-2008 Ignition Wire Secondary: image
      6 New NGK Iridium IX Spark Plugs LFR5AIX-11 # 4469Spark Plugs 12120037607 BKR6EQUP 3199 for BMW E39 E46 M54 328i 528i X3 X5 Pack of 6Henbrs Iridium Spark Plug High Performance Replacement PZH14F SP-515 For Ford F-150 F-250 F350 5.4L Pack of 8E3 Spark Plugs E3.74 Automotive Spark Plug, Pack of 1Autolite APP3924-4PK Double Platinum Spark Plug, 4 PackACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug BOX OF 8NGK # 1465 Laser Iridium Spark Plug IZTR5B11 — 8 PCSNEWE3 Spark Plugs E3.70 Automotive Spark Plug, Pack of 1Set of 8 OEM Motorcraft Platinum SP546 (SP515) HT15 Spark Plugs For Ford 5.4L16 pc NGK V-Power Spark Plugs compatible with Dodge Ram 1500 5.7L V8 2003-2008 Ignition Wire Secondary
      BrandNGKSHUJIHenbrsE3 Spark PlugsAutoliteACDelcoNGKE3 Spark PlugsHerko AutomotiveSixity Auto
      Core MaterialIridiumPlatinumIridiumCopperCopperCopperCopper
      Vehicle Service TypeMotorcycle2004-2006 BMW 325Ci Base, 2001-2005 BMW 325i Base, 2001~2005 BMW 330i Base, 1996~2000 BMW 328i Base, 1996~1999 BMW 328is Base, 2000 BMW 328Ci Base, 2001~2005 BMW 330xi Base, 2001-2005 BMW 325xi Base, 2001~2006 BMW 330Ci Base2004-2006 BMW 325Ci Base, 2001-2005 BMW 325i Base, 2001~2005 BMW 330i Base, 1996~2000 BMW 328i Base, 1996… See moreTRUCKMotorcycleCarCar
      ManufacturerNGKShujiHenbrsE3 Spark PlugsAutoliteNGKE3 Spark PlugsSixity Auto
      Item Weight0.01 ounces10.2 ounces13.6 ounces0.32 ounces7 ounces14.4 ounces13.1 ounces4.8 ounces1.01 pounds1.76 pounds
      Product Dimensions3.7 x 0.94 x 4.98 inches3.5 x 0.75 x 0.75 inches5 x 1 x 5 inches4.78 x 1.5 x 1.6 inches3.7 x 0.94 x 13.28 inches
      Is Discontinued By ManufacturerNoNoNoNoNoNo
      Top Material TypeCeramicAlloy SteelNickelNickelAlloy SteelMetal, Ceramic
      Package Dimensions5.43 x 3.9 x 0.94 inches4.8 x 3.9 x 2.1 inches4.5 x 3 x 1.5 inches4.09 x 3.66 x 1.69 inches11.39 x 5.63 x 1.93 inches

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