Best Spark Plugs For Mustang: image
Best Overall

Bosch Double Iridium Spark Plugs provide a 4X longer service life than standard copper firing pins. The plugs are made from stainless steel and have been tested to ensure that they perform at the highest level of performance. They can be used in any engine, with or without spark plugs. Notably, this is the first time an OEM has replaced a single ignition coil. The replacement will cost around?2 lakh.

Value for Money

NGK IRIDIUM IX Spark Plugs, 14mm Thread Size, 17.55mm (.691″) Gap, and Fine Wire (0.6mm) Iridium Center Electrode, have been added to the product line. The new plugs will be available in three sizes: Standard, Medium, and Premium. The spark plugs are made from stainless steel with nickel-tin alloy. They are sold at a cost of?2 lakh.

Honorable Mention

Bosch Platinum Spark Plugs have a 2x longer service life compared to standard copper firing pins. The platinum firing pin has a ground electrode that provides an enhanced spark for combustion engines. The plugs are made from high-purity stainless steel with no lead or nickel content. They can be used in all types of vehicles, including diesel and petrol engines. Notably, this is the first time Bosch has offered a lifetime warranty on its products.

Best Spark Plugs For Mustang

If your car suddenly won't start, you should look not only at the engine or carburetor malfunction but also at the spark plugs. You may be upset by something as simple as a bad spark plug.

You need the best spark plugs to keep your engine in perfect shape, especially if you have a modern car like the Mustang.

Luckily, on this page, we'll offer you some helpful buying guides and product reviews so you can make the best possible decision.

Listen Audio Version of Our Article

Top 10 Best Spark Plugs For Mustang

Top Pick
1
Why we chose it
  • 0.6mm fine wire firing pin provides superior ignitability and performance
  • 7 year performance satisfaction
  • 360 Degree continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability
  • 07-10 Mercury Mountaineer, 91-99 Mercury Tracer, 94-96 Oldsmobile Cutlass Ciera, 95-97 Pontiac Sunfire
  • Double Iridium firing pin and ground electrode inlay provide 4X longer service life compared to standard copper plugs
  • Original equipment, pre-gapped replacement delivering optimum fit, form and function
  • 03 Ford E-150, 03 Ford E-150 Club Wagon, 98-02 Ford E-150 Econoline, 98-02 Ford E-150 Econoline Club Wagon, 03 Ford E-250, 98-02 Ford E-250 Econoline, 00-04 Ford Focus, 98-03,05-08 Ford F-150, 04 Ford F-150 Heritage, 05-10 Ford Mustang
  • 94-96 Buick Century, 94-96 Chevrolet Beretta, 94-97 Chevrolet Cavalier, 94-96 Chevrolet Corsica, 94-95 Chevrolet LLV, 93 Chevrolet Lumina, 94-95 Chevrolet S10, 85-02 Ford Escort, 86-88 Ford EXP, 05-10 Ford Explorer, 07-10 Ford Explorer Sport Trac
  • 01-03,06-11 Ford Ranger, 89-95 Ford Thunderbird, 94 GMC Sonoma, 96-97 Isuzu Hombre, 05-09 Land Rover LR3, 01-10 Mazda B4000, 90 Mercury Cougar, 85-87 Mercury Lynx
Bosch Automotive 9660 Double Iridium OE Replacement Spark Plug Up to 4X Longer Life (1 Pk) Buick Chevrolet Ford F150, E150, 250 GMC Land Rover Mazda Mercury Oldsmobile Pontiac +More: image
92%
customers recommend this product
4.6/ 5
Easy to install4.5
Value for money4.2
Longevity4.2
Mileage4.2
2

Denso (4512) PT20TT Platinum TT Spark Plug, (Pack of 1)

8 ratings | 4 offers | 8 Reviews
Price: $6.43$7.73
Why we chose it
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
  • Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode
  • Improve fuel economy, better acceleration and faster starts than all other single platinum plugs
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
Denso (4512) PT20TT Platinum TT Spark Plug, (Pack of 1): image
78%
customers recommend this product
3.9/ 5
3

Motorcraft SP-520 Spark Plug

430 ratings | 15 offers | 430 Reviews
Price: $4.99$13.98
Why we chose it
  • Iridium-enhanced center electrode for improved durability and wear resistance
  • Fine wire Double Platinum
  • 100,000-mile service interval
  • Same part installed when the engine rolled off the assembly line
Motorcraft SP-520 Spark Plug: image
94%
customers recommend this product
4.7/ 5
Value for money4.4
Longevity4.3
Mileage4.3
4
Why we chose it
  • 360 degree continuous laser welding to fuse the platinum firing pin for increased durability
  • Fine wire design provides better ignitability and performance
  • Platinum firing pin and Yttrium enhanced ground electrode provide 2X longer service life compared to standard Copper plugs
  • Original equipment, pre-gapped replacement delivering optimum fit, form and function
  • Fit type: Vehicle Specific
  • 4 year performance Satisfaction guarantee
Bosch Automotive Platinum Spark Plug for Select Buick, Chevrolet, Ford, GMC, Isuzu, Mazda, Mercury, Oldsmobile, and Pontiac Cars, Trucks, Vans, and SUVs , 6715-4Pk: image
92%
customers recommend this product
4.6/ 5
5

Denso (5326) IT20 Iridium Power Spark Plug, (Pack of 1)

12 ratings | 9 offers | 12 Reviews
Price: $8.38$16.21
Why we chose it
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
  • 0.4 mm iridium center electrode: world’s smallest diameter that maximizes firing potential
  • U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching
Denso (5326) IT20 Iridium Power Spark Plug, (Pack of 1): image
70%
customers recommend this product
3.5/ 5
6

Autolite XP5143-4PK Iridium XP Spark Plug, Pack of 4

2 ratings | 5 offers | 2 Reviews
Price: $18.25$31.41
Why we chose it
  • Iridium-enhanced 0.6mm finewire design for optimal durability and performance
  • V-trimmed ground electrode for improved ignitability
  • Limited lifetime warranty
  • Better overall ignitability and optimum performance
  • Platinum protected ground wire for maximum efficiency in all ignition types
Autolite XP5143-4PK Iridium XP Spark Plug, Pack of 4: image
100%
customers recommend this product
5/ 5
7

NGK 7316 TR55-1IX Iridium IX Spark Plug, Pack of 4

27 ratings | 5 offers | 27 Reviews
Price: $26.99$32.98
Why we chose it
    NGK 7316 TR55-1IX Iridium IX Spark Plug, Pack of 4: image
    98%
    customers recommend this product
    4.9/ 5
    Value for money5
    Mileage5
    8
    Why we chose it
    • 5 year performance satisfaction guarantee
    • 360 degree continuous laser welding to fuse the platinum firing pin for increased durability
    • original equipment, pre-gapped replacement delivering optimum fit, form and function
    • fine wire design provides excellent ignitability and performance
    • double platinum firing pin and ground electrode inlay provide 3x longer service life compared to standard copper plugs
    Bosch Automotive 242230589 8120 Double Platinum Spark Plug, Up to 3X Longer Life (Pack of 4) (0242230589): image
    90%
    customers recommend this product
    4.5/ 5
    9

    Autolite HT1-4PK Platinum High Thread Spark Plug, Pack of 4

    89 ratings | 3 offers | 89 Reviews
    Price: $16.88$52.51
    Why we chose it
    • Designed specifically for Ford 4.6L, 5.4L and 6.8L 3-valve engines
    • Patented, OE Design provides consistent optimal performance
    • One-piece ground shield strap for improved heat transfer
    • Platinum fine wire tip provides improved fuel efficiency, lower emissions and improved horsepower with virtually no gap erosion
    • High Strength Steel technology to make replacement easy with special socket tool
    Autolite HT1-4PK Platinum High Thread Spark Plug, Pack of 4: image
    90%
    customers recommend this product
    4.5/ 5
    Value for money4.7
    Mileage4.4
    10

    Autolite 605-4PK Copper Resistor Spark Plug, Pack of 4

    59 ratings | 11 offers | 59 Reviews
    Price: $6$17.46
    Why we chose it
    • Fit type: Vehicle Specific
    • Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength
    • Resistor reduces radio frequency interference (RFI) and electrode erosion
    • Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof
    • Full copper core electrode provides better performance in all conditions
    • Multi-rib insulator reduces danger of “flash-over”
    Autolite 605-4PK Copper Resistor Spark Plug, Pack of 4: image
    90%
    customers recommend this product
    4.5/ 5
    Top Pick
    Bosch Automotive 9660 Double Iridium OE Replacement Spark Plug Up to 4X Longer Life (1 Pk) Buick Chevrolet Ford F150, E150, 250 GMC Land Rover Mazda Mercury Oldsmobile Pontiac +More
    Bosch Double Iridium Spark Plugs are engineered to deliver both high performance and long life, representing the best of OE spark plug technology. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and ground electrode help it to go the distance. Unlock the performance in your engine with Bosch Double Iridium Spark Plugs.
    Ranking the Brands
    Bosch Automotive: 30.00%
    Denso: 20.00%
    Motorcraft: 10.00%
    Autolite: 30.00%
    NGK: 10.00%

    Comparison Table

    Сomparison: Bosch Automotive 9660 Double Iridium OE Replacement Spark Plug Up to 4X Longer Life (1 Pk) Buick Chevrolet Ford F150, E150, 250 GMC Land Rover Mazda Mercury Oldsmobile Pontiac +More: imageСomparison: Denso (4512) PT20TT Platinum TT Spark Plug, (Pack of 1): imageСomparison: Motorcraft SP-520 Spark Plug: imageСomparison: Bosch Automotive Platinum Spark Plug for Select Buick, Chevrolet, Ford, GMC, Isuzu, Mazda, Mercury, Oldsmobile, and Pontiac Cars, Trucks, Vans, and SUVs , 6715-4Pk: imageСomparison: Denso (5326) IT20 Iridium Power Spark Plug, (Pack of 1): imageСomparison: Autolite XP5143-4PK Iridium XP Spark Plug, Pack of 4: imageСomparison: NGK 7316 TR55-1IX Iridium IX Spark Plug, Pack of 4: imageСomparison: Bosch Automotive 242230589 8120 Double Platinum Spark Plug, Up to 3X Longer Life (Pack of 4) (0242230589): imageСomparison: Autolite HT1-4PK Platinum High Thread Spark Plug, Pack of 4: imageСomparison: Autolite 605-4PK Copper Resistor Spark Plug, Pack of 4: image
    Bosch Automotive 9660 Double Iridium OE Replacement Spark Plug Up to 4X Longer Life (1 Pk) Buick Chevrolet Ford F150, E150, 250 GMC Land Rover Mazda Mercury Oldsmobile Pontiac +MoreDenso (4512) PT20TT Platinum TT Spark Plug, (Pack of 1)Motorcraft SP-520 Spark PlugBosch Automotive Platinum Spark Plug for Select Buick, Chevrolet, Ford, GMC, Isuzu, Mazda, Mercury, Oldsmobile, and Pontiac Cars, Trucks, Vans, and SUVs , 6715-4PkDenso (5326) IT20 Iridium Power Spark Plug, (Pack of 1)Autolite XP5143-4PK Iridium XP Spark Plug, Pack of 4NGK 7316 TR55-1IX Iridium IX Spark Plug, Pack of 4Bosch Automotive 242230589 8120 Double Platinum Spark Plug, Up to 3X Longer Life (Pack of 4) (0242230589)Autolite HT1-4PK Platinum High Thread Spark Plug, Pack of 4Autolite 605-4PK Copper Resistor Spark Plug, Pack of 4
    BrandBosch AutomotiveDensoMotorcraftBosch AutomotiveDensoAutoliteNGKBosch AutomotiveAutoliteAutolite
    Core MaterialIridiumPlatinumIridiumIridiumPlatinumCopper
    ManufacturerBoschDensoMotorcraftBoschDensoAutoliteNGK Spark PlugBoschFRAMFRAM
    Item Weight1.6 ounces1.44 ounces1.6 ounces6.7 ounces0.96 ounces7.2 ounces6.4 ounces5.6 ounces7.2 ounces4.8 ounces
    Product Dimensions5.1 x 3.5 x 1 inches3.8 x 4.2 x 1.1 inches3.5 x 1.06 x 0.94 inches7.93 x 5.04 x 3.74 inches4.02 x 3.46 x 0.91 inches3.5 x 1.06 x 0.94 inches
    Country of OriginGermanyChinaGermanyChinaMexicoGermanyMexicoChina
    Is Discontinued By ManufacturerNoNoNoNoNo
    ExteriorChromeMachinedChromeMachinedPolishedChrome
    Top Material TypeNickelMetalAlloy SteelAlloy Steel

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