Autolite is known as the manufacturer of America's best-selling spark plug. The company has been the innovation leader creating the highest quality ignition products for a wide variety of engines since 1936. Today it keeps enhancing spark plug technology for longer life and better performance. The company's line of products includes premium quality and exceptionally durable spark plugs for automotive, power sports, lawn, and garden applications.

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    • Autolite® Iridium XP Enhanced Alloy™ Spark Plug Set
      (2 reviews)
      # sp5168
      Iridium XP Enhanced Alloy™ Spark Plug Set by Autolite®, 4 Piece Set. This high-tech spark plug features iridium-enhanced 0.6mm finewire design and proprietary platinum sidewire technology to provide superior durability and a more...
      One of the most high-tech spark plugs on the marketDesigned for better durability and overall ignitability, and optimum performance
      $8.69 - $9.60
    • Autolite® Double Platinum Spark Plug Set
      (0 reviews)
      # sp5166
      Double Platinum Spark Plug Set by Autolite®, 4 Piece Set. Thanks to its platinum-to-platinum firing, this spark plug virtually eliminates gap erosion, reduces misfires, and provides improved durability and prolonged service life...
      Ensures improved durabilityProvides accurate firing for DIS engines
      $7.23 - $8.57
    • Autolite® Platinum Spark Plug Set
      (0 reviews)
      # sp5169
      Platinum Spark Plug Set by Autolite®, 4 Piece Set. Manufactured with a center wire platinum firing tip, this platinum spark plug reduces gap erosion for fewer misfires, while ensuring easier starts, quicker acceleration, and...
      Designed for excellent performance and superior durabilityEnsures high temperature, pressure, and corrosion resistance for long-lasting service life
      $4.21 - $4.75
    • Autolite® Racing Spark Plug Set
      (0 reviews)
      # sp5170
      Racing Spark Plug Set by Autolite®, 4 Piece Set. With this innovative spark plug by Autolite, you get nothing less than NASCAR Performance. Thanks to a cut back and large ground electrode and anti-corrosive nickel plating, the...
      Specially designed to hold up to the extremely high pressures and thermal shocks inside racing enginesCut back ground electrode for improved ignitability
      $3.96 - $5.98
    • Autolite® Spark Plug Set
      (2 reviews)
      # sp5159
      Spark Plug Set by Autolite®. This spark plug by Autolite is specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The product is made of premium materials to ensure extreme...
      Designed for good conductivity and a strong spark for efficient combustionImproves engine power and fuel economy
      $3.96 - $9.60
    • Autolite® Iridium XP Enhanced Alloy™ Spark Plug (XP5263)
      (1 reviews)
      # mpn1892074
      Iridium XP Enhanced Alloy™ Spark Plug (XP5263) by Autolite®, 1 Piece, Gap: 0.028. These high-tech spark plugs feature iridium-enhanced 0.6mm finewire design and proprietary platinum sidewire technology to provide superior...
      One of the most high-tech spark plugs on the marketDesigned for better durability and overall ignitability, and optimum performance
      $9.18
    • Autolite® Double Platinum Spark Plug (APP5263)
      (0 reviews)
      # mpn1892057
      Double Platinum Spark Plug (APP5263) by Autolite®, 1 Piece, Gap: 0.028. Thanks to their platinum-to-platinum firing, these spark plugs virtually eliminate gap erosion, reduce misfires, and provide improved durability and prolonged...
      Ensure improved durabilityProvide accurate firing for DIS engines
      $8.00
    • Autolite® Platinum Spark Plug (AP5263)
      (0 reviews)
      # mpn1892042
      Platinum Spark Plug (AP5263) by Autolite®, 1 Piece, Gap: 0.028. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $4.34
    • Autolite® Iridium XP Enhanced Alloy™ Spark Plug (XP63)
      (0 reviews)
      # mpn1892079
      Iridium XP Enhanced Alloy™ Spark Plug (XP63) by Autolite®, 1 Piece, Gap: 0.028. These high-tech spark plugs feature iridium-enhanced 0.6mm finewire design and proprietary platinum sidewire technology to provide superior...
      One of the most high-tech spark plugs on the marketDesigned for better durability and overall ignitability, and optimum performance
      $9.18
    • Autolite® Double Platinum Spark Plug (APP63)
      (0 reviews)
      # mpn1892061
      Double Platinum Spark Plug (APP63) by Autolite®, 1 Piece, Gap: 0.028. Thanks to their platinum-to-platinum firing, these spark plugs virtually eliminate gap erosion, reduce misfires, and provide improved durability and prolonged...
      Ensure improved durabilityProvide accurate firing for DIS engines
      $7.76
    • Autolite® Platinum Spark Plug (AP63)
      (0 reviews)
      # mpn1892045
      Platinum Spark Plug (AP63) by Autolite®, 1 Piece, Gap: 0.028. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $4.34
    • Autolite® Iridium XP Enhanced Alloy™ Spark Plug (XP104)
      (1 reviews)
      # mpn1915133
      Iridium XP Enhanced Alloy™ Spark Plug (XP104) by Autolite®, 1 Piece, Gap: 0.04. These high-tech spark plugs feature iridium-enhanced 0.6mm finewire design and proprietary platinum sidewire technology to provide superior...
      One of the most high-tech spark plugs on the marketDesigned for better durability and overall ignitability, and optimum performance
      $9.18
    • Autolite® Platinum Spark Plug (AP104)
      (0 reviews)
      # mpn1915094
      Platinum Spark Plug (AP104) by Autolite®, 1 Piece, Gap: 0.04. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $4.34
    • Autolite® Double Platinum Spark Plug (APP764)
      (0 reviews)
      # mpn1915132
      Double Platinum Spark Plug (APP764) by Autolite®, 1 Piece, Gap: 0.044 / 0.054. Thanks to their platinum-to-platinum firing, these spark plugs virtually eliminate gap erosion, reduce misfires, and provide improved durability and...
      Ensure improved durabilityProvide accurate firing for DIS engines
      $7.70
    • Autolite® Platinum Spark Plug (AP764)
      (0 reviews)
      # mpn1915115
      Platinum Spark Plug (AP764) by Autolite®, 1 Piece, Gap: 0.044 / 0.054. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $4.32
    • Autolite® Double Platinum Spark Plug (APP24)
      (0 reviews)
      # mpn1915120
      Double Platinum Spark Plug (APP24) by Autolite®, 1 Piece, Gap: 0.045. Thanks to their platinum-to-platinum firing, these spark plugs virtually eliminate gap erosion, reduce misfires, and provide improved durability and prolonged...
      Ensure improved durabilityProvide accurate firing for DIS engines
      $8.35
    • Autolite® Platinum Spark Plug (AP24)
      (0 reviews)
      # mpn1915099
      Platinum Spark Plug (AP24) by Autolite®, 1 Piece, Gap: 0.045. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $4.34
    • Autolite® Platinum Spark Plug (AP666)
      (0 reviews)
      # mpn1892049
      Platinum Spark Plug (AP666) by Autolite®, 1 Piece, Gap: 0.06. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $4.34
    • Autolite® Iridium XP Enhanced Alloy™ Spark Plug (XP25)
      (0 reviews)
      # mpn1915135
      Iridium XP Enhanced Alloy™ Spark Plug (XP25) by Autolite®, 1 Piece, Gap: 0.045. These high-tech spark plugs feature iridium-enhanced 0.6mm finewire design and proprietary platinum sidewire technology to provide superior...
      One of the most high-tech spark plugs on the marketDesigned for better durability and overall ignitability, and optimum performance
      $9.18
    • Autolite® Double Platinum Spark Plug (APP25)
      (0 reviews)
      # mpn1915121
      Double Platinum Spark Plug (APP25) by Autolite®, 1 Piece, Gap: 0.045. Thanks to their platinum-to-platinum firing, these spark plugs virtually eliminate gap erosion, reduce misfires, and provide improved durability and prolonged...
      Ensure improved durabilityProvide accurate firing for DIS engines
      $7.76
    • Autolite® Platinum Spark Plug (AP25)
      (0 reviews)
      # mpn1915100
      Platinum Spark Plug (AP25) by Autolite®, 1 Piece, Gap: 0.045. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $4.34




    Autolite - ComparisonAutolite - InstallationAutolite - FAQAutolite - About

    The history of the company began in 1911 when two small companies started manufacturing buggy lamps. By the 1930s, the company became a thriving automotive parts manufacturer. In 1935, Royce G. Martin, President of the Electric Autolite Company, equipped and staffed a lab to develop a spark plug. Robert Twells, a ceramic engineer, led the project constantly researching ceramic insulator technology.

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    It only took a few months before the Electric Autolite Company had a spark plug available for distribution. In 1936, the first Autolite spark plug was introduced to the market and had instant success as a reliable and durable product. As a result, the company began to supply spark plugs and other ignition parts to well-known automotive leaders such as Chrysler, Studebaker, Packard and Willys, etc.

    Autolite developed and manufactured many innovative products that set new standards in the spark plug industry. The innovations of the company include but are not limited to Power Tip Spark Plug, Platinum Spark Plug for Ford O.E., Suppressor Spark Plug, and High Thread Spark Plug for Ford Triton Engine with 3 valve design (released O.E. in 2004). Thanks to its strong devotion to perfection, Autolite became a NASCAR Performance Partner.

    Autolite Reviews

    Average rating:  5  5 - 2 reviews
    Read All Autolite Reviews
    5 of 5
    3 Years Without Problems
    These spark plugs are 3 years old with over 30K and my vehicle starts as fast as the day I put them in. It takes more then 2 hours to replace the plugs on my Mercury Cougar, so I want to do it only when necessary.
    CPosted by Charles (Indian Trail, NC) /
    1984 Mercury Cougar
    Was this review helpful for you? Yes
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