Copper Spark Plug
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Autolite Copper Spark Plug

Part No. 405 Warranty Details  

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Autolite Copper Spark Plugs are guaranteed to deliver quick starts, good fuel economy and smooth acceleration.

Product Features:
  • Copper cored center electrode for higher thermal conductivity
  • Specially engineered high nickel alloy center and ground electrode for extended life
  • High alumina ceramic for high dielectric strength
  • Leak proof, heat fused internal seal for durability
  • Multi-rib insulator prevents flash-over
  • 2 year limited warranty
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Electrode Tip Material:Resistor
Reach:3/4 in
Seat Type:Gasket
Thread Diameter:14 mm
Tip Configuration:Standard
Wrench Diameter:13/16 in


by PowerReviews
AutoliteCopper Spark Plug

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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works great


from cinci.oh

About Me Mechanic


  • Durable
  • Easy To Install
  • Improves Engine Efficiency
  • Increases Power
  • Lightweight


    Best Uses

    • Everyday Driving
    • Replacement
    • Restoration

    Comments about Autolite Copper Spark Plug:

    works great. have had no trouble.

    Comment on this reviewHelp Icon

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