Have you ever heard of Nikola Tesla and his greatest invention? Sure, you did. It's hard to imagine someone knows nothing about a Tesla coil. Destined to generate high voltage of electricity and create super powerful magnetic fields, the device was a breakthrough in the electric power industry. If you want to see this invention with your own eyes, take a look at your vehicle's ignition system. There, you'll find your own mini-Tesla coil with the same principle applied.

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    • (0 reviews)
      # sp16158
      Ignition Coil by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $30.40 - $265.56
    • (3 reviews)
      # sp4666
      Direct Ignition Coil by Denso®. A leader in direct ignition technology, Denso developed the auto industry's first compact stick-type ignition coil. The space-saving design, since adopted by many of the world's leading automakers,...
      Improved coil efficiency reduces the need to generate high voltageDriving circuit is integrated into top of coil
      $9.12 - $345.99
    • (1 review)
      # sp5477
      Tru-Tech™ Ignition Coil by Standard®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $12.94 - $104.01
    • (2 reviews)
      # sp16986
      Intermotor™ Ignition Coil by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $16.28 - $1,175.91
    • (7 reviews)
      # sp8332
      Ignition Coil by Spectra Premium®. Spectra Premium ignition coils are designed and produced under a strict TS16949 quality control process.
      All ignition coils are durability tested at 100 cycles of thermal shock (-50 to 300° F), to ensure reliability from extreme vibration24 hours salt spray test ensures sensors provide high corrosion resistance
      $10.36 - $163.56
    • (0 reviews)
      # sp5480
      Tru-Tech™ Ignition Control Module by Standard®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $21.54 - $129.64
    • (2 reviews)
      # sp5543
      Ignition Coil by Motorcraft®. If you are looking for a quality ignition coil, Motorcraft has the perfect product for you. The patented steel used in the lamination stack ensures a consistent magnetic field needed to develop the...
      Direct OEM replacementRecommended by Ford Motor Company
      $15.79 - $95.32
    • (0 reviews)
      # sp6372
      Ignition Coil Assembly by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s,...
      OE quality products from top original equipmentTop quality materials
      $212.68 - $1,555.28
    • (1 review)
      # sp5784
      Ignition Coil by Delphi®. Help ensure fast starts, consistent engine performance and optimized fuel efficiency with Delphi ignition coils. Delphi makes more than 10 million ignition coils for North America each year, and each one...
      Designed and endurance tested to resist the common stresses that cause failureEfficient coil design that ensures the power in the coil has a streamlined path to the spark plug
      $18.40 - $205.25
    • (0 reviews)
      # sp5885
      Ignition Coil by Bosch®. The ignition coil converts the low primary voltage from the battery to the high secondary voltage that goes to the spark plugs. Coils can fail completely, and they can also have degraded performance if...
      Meets or exceeds OEM specificationExcellent mechanical stability and corrosion protection
      $18.86 - $259.75
    • (0 reviews)
      # sp16932
      Ignition Coil by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $5.41 - $463.83
    • (0 reviews)
      # sp6366
      Ignition Coil by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s, brand...
      OE quality products from top original equipmentTop quality materials
      $26.62 - $284.98
    • (1 review)
      # sp6362
      Direct Ignition Coil by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s, brand...
      OE quality products from top original equipmentTop quality materials
      $31.11 - $253.01
    • (0 reviews)
      # sp6276
      Ignition Coil Connector by Dorman®. Dorman offers a comprehensive line of Ignition Coil Connectors for a wide range of applications. All Dorman Ignition Coil Connectors are constructed of high-quality materials for long-lasting...
      Available in different wire configurations, including 2- and 3-wireDirect replacement Ignition Coil Connectors available (where applicable) to ensure a proper fit
      $5.96 - $63.97
    • (0 reviews)
      # sp1408
      Ignition Coil by Omix-Ada®. The ignition coil converts the low primary voltage from the battery to the high secondary voltage that goes to the spark plugs. Coils can fail completely, and they can also have degraded performance if...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $20.59 - $138.94
    • (0 reviews)
      # sp16164
      Professional™ Ignition Coil by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $30.17 - $101.16
    • (0 reviews)
      # sp26158
      by WP HITACHI Ignition Coils. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas running...
      $44.22 - $188.65
    • (1 review)
      # sp5078
      Ignition Coil by Hitachi®. This ignition coil is constructed to deliver optimal voltage to the spark plug, for a strong spark and efficient combustion. Precise construction and gold plated connectors ensure maximum durability,...
      Manufactured and tested to original equipment performance specsEfficient spark energy delivery
      $34.16 - $139.97
    • (0 reviews)
      # sp16037
      Ignition Tune-Up Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $34.84 - $119.04
    • (0 reviews)
      # sp38959
      Ignition Coil by Forecast®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas running out...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $46.83 - $167.39
    • (0 reviews)
      # sp1717
      Central Ignition Coil by Prenco®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you're located
      $34.44 - $158.05
    • (0 reviews)
      # sp24671
      Central Ignition Coil by Beru®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas running...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you're located
      $41.54 - $434.17
    • (0 reviews)
      # sp59698
      Central Ignition Coil by Eurospare®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $53.27 - $233.13
    • (0 reviews)
      # sp60164
      Central Ignition Coil by FEBI®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas running...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $154.79 - $160.39
    • (0 reviews)
      # sp17070
      Central Ignition Coil by Genuine®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $31.04 - $406.23
    • (0 reviews)
      # sp15082
      Direct Ignition Coil by Genuine®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $45.19 - $218.86
    • (0 reviews)
      # sp40058
      Central Ignition Coil by Huco®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas running...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $43.22 - $197.76
    • (0 reviews)
      # sp21299
      Central Ignition Coil by Intermotor®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $47.53 - $52.23
    • (0 reviews)
      # sp26233
      Ignition Coil by Lucas®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas running out to...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $39.25 - $450.12
    • (0 reviews)
      # sp43410
      Ignition Coil by Original Equipment®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $46.74 - $302.29
    • (0 reviews)
      # sp21361
      Central Ignition Coil Perma-Tune®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $189.45
    • (0 reviews)
      # sp26677
      Ignition, Spark Plugs, Wires by Professional Parts Sweden®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $55.48 - $202.53
    • (0 reviews)
      # sp26733
      Technology Ignition, Spark Plugs, Wires by Richporter®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $30.57 - $128.55
    • (0 reviews)
      # sp47689
      Ignition Coil by Vemo®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas running out to...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $42.66 - $249.69
    • (0 reviews)
      # sp26995
      Ignition, Spark Plugs, Wires by World Source One®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $36.37 - $150.55
    • (0 reviews)
      # sp76684
      HVAC Auxiliary Heater Ignition Coil by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $191.65
    • (0 reviews)
      # sp49542
      GM Original Equipment™ Ignition Coil Assembly by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $110.06
    • (0 reviews)
      # sp4957
      Ignition Coil by Auto 7®. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? Auto 7 has the quality parts to repair your Hyundai, KIA or GM Daewoo...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      $16.06 - $132.53
    • (0 reviews)
      # sp18528
      Direct Ignition Coil by Auto 7®. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? Auto 7 has the quality parts to repair your Hyundai, KIA or GM Daewoo...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      $15.87 - $132.53
    • (0 reviews)
      # sp16035
      Ignition Coil by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $20.10 - $123.40
    • (1 review)
      # sp12592
      Ignition Coil by URO Parts. This superior electrical part by URO is a great alternative solution to the costly factory equipment that will help you restore smooth and efficient operation of your vehicle. Thoroughly designed and...
      Designed to replace your worn out or cracked factory partHelps to restore proper operation of your vehicle
      $27.32 - $86.84
    • (0 reviews)
      # sp18522
      Ignition Coil by OPGI®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards it ensures maximum durability. This OPGI product...
      Made from first-rate materialsDesigned to comply with high-quality standards
      $52.43 - $57.63
    • (0 reviews)
      # sp70567
      HEI Replacement Coil by OPGI®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards it ensures maximum durability. This OPGI...
      Made from first-rate materialsDesigned to comply with high-quality standards
      $118.74
    • (0 reviews)
      # sp29464
      Coil Pack Adapter by Torque Solution®. The coil pack adapters are made from high grade 6061 billet aluminum material. These are designed to allow you to run the upgraded FSI/TSI coilpacks and replace the failure prone 1.8t coils....
      Made out of lightweight 6061-T6 Billet AluminumBlack anodized
      $90.71 - $136.07
    • (0 reviews)
      # sp59701
      Ignition Coil Mounting Gasket by Eurospare®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $5.02 - $36.45
    • (0 reviews)
      # sp26067
      Suppressor Cover by Genuine®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas running...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $39.56
    • (0 reviews)
      # sp26058
      Ignition Coil Gasket by Genuine®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $6.56
    • (0 reviews)
      # sp26057
      Ignition Coil Cover Gasket by Genuine®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $106.75
    • (0 reviews)
      # sp49126
      Tie Strap by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels of...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $3.44
    • (0 reviews)
      # sp16935
      Ignition Coil Mounting Bracket by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $9.24 - $17.39
    • (0 reviews)
      # sp76687
      TechSmart™ Ignition Coil Mounting Gasket by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $16.79
    • (0 reviews)
      # sp76685
      Intermotor™ Ignition Coil Mounting Bracket by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $21.68
    • (0 reviews)
      # sp16930
      Handypack™ Ignition Coil Connector by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $5.48 - $12.91
    • (0 reviews)
      # sp5478
      Tru-Tech™ Ignition Coil Housing by Standard®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $35.32
    • (0 reviews)
      # sp16933
      Ignition Coil Connector by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      +1
      $2.24 - $65.73
    • (0 reviews)
      # sp28001
      Ignition Coil Adapter by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $4.37 - $11.25
    • (0 reviews)
      # sp28002
      Ignition Coil Housing by Standard®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $35.44
    • (0 reviews)
      # sp28014
      TechSmart Ignition Coil Assembly Wiring Harness by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $13.09 - $27.91
    • (0 reviews)
      # sp27241
      GM Original Equipment Ignition Coil Housing by ACDelco®. To protect coils from the harsh operating environment, laminations are corrosion protected, and primary and secondary coil windings often feature molded plastic protection.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.61 - $72.60
    • (0 reviews)
      # sp27253
      ProfessionalIgnition Coil Resistor by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.89




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    The ignition coil, aka spark coil, is an engine component that generates high voltage to supply your cylinders with power. It has a distributor that delivers current from the coil to the cylinder. Connection between the units is provided through a rotor and cap. After the coil links to the rotor, the latter starts spinning around inside the cap. It ensures almost-constant voltage is carried to the spark plugs.

    To be aware of how the ignition coil works, we need to dig a bit deeper. Located inside your vehicle's ignition system, the part serves as a pulse transformer that turns the battery's low-voltage energy from the initial 12 volts to tens and even thousands of volts. The part is composed of two sets of windings that operate together to produce the required output voltage. One of the windings that is called the primary coil has hundreds of times more strands of wire than the other one, known as the secondary coil.

    The coil actually looks like an electromagnet. The key to understanding of how it perform is what happens when the circuit is suddenly disrupted by the breaker points. After the battery's current passes through the primary coil and is then cut off, the magnetic field of the primary winding collapses at once and generates the voltage needed for the spark plugs. Next, the voltage makes its way to the distributor through the second coil and finally approaches the plugs. Once high current enters them, it performs its main function - ignites the air-fuel mix.

    Depending on the way the electricity is delivered to the spark plugs, there are different ignition systems. In older vehicles, there is a single coil that carries electricity to the distributor, which further sends it to the ignition plugs. In newer models, the traditional 'single coil' system with the distributor is replaced with the 'coil-on-plug' system, which is more reliable and efficient than the predecessor. Instead of one main coil, the distributorless ignition system has a coil for each of the spark plugs. Because the coils are located directly on the plugs, this type of ignition system is often called 'coil-on-plug'.

    Although the ignition systems differ greatly, there is one thing they have in common - sooner or later, they wear out. There are many possible causes for the failure: the rotor and cap can get ruined because of the arcing, while the spark-plug wires can lose their electrical insulation in the course of time. But, more often than these, the weak or defective ignition coil leads to serious engine problems, including hesitation and misfiring while accelerating, rough idling, diminished acceleration, and finally sluggish engine performance.

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    Replacement Ignition Coils Reviews

    Average rating:  5  4.9 - 56 reviews
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    5 of 5
    Recommend This Coil
    The misfire has gone. I managed to install it myself. Though I wouldn't say the installation was easy.
    APosted by Arthur (Pleasant Ridge, MI) / October 4, 2016
    1997 Ford F-250
    Was this review helpful for you? Yes
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