Copper Spark Plug
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Copper Spark Plug
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Autolite Copper Spark Plug

Part No. 4164 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
Resistor:Suppressor
Seat Type:Gasket
Thread Diameter:12 mm
Tip Configuration:Power
Wrench Diameter:11/16 in

REVIEW SNAPSHOT®

by PowerReviews
AutoliteCopper Spark Plug
 
5.0

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (4)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

No Pros

Cons

No Cons

Best Uses

  • Replacement (3)

Reviewed by 4 customers

Displaying reviews 1-4

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5.0

The Harley starts, what more could I ask for!

By 

from Pittsburgh, PA

See all my reviews

Verified Buyer
3 or more reviews submitted

Comments about Autolite Copper Spark Plug:

These are used in a Harley Sportster.

  • Was this a gift?:
  • No
 
5.0

Works great.

By 

from Ky

About Me Mechanic

See all my reviews

Verified Buyer
3 or more reviews submitted

Pros

  • Easy To Install

Cons

    Best Uses

    • Everyday Driving
    • Replacement
    • Restoration

    Comments about Autolite Copper Spark Plug:

    I used these in my old cafe bike. After setting the proper gap, they seem to work great. I have to idea about the longevity of the plugs but I would expect it to be good.

    (2 of 2 customers found this review helpful)

     
    5.0

    I bought this for my 1997 HD bike

    By 

    from Beloit, WI

    About Me Casual Driver

    See all my reviews

    Ask me a question

    Verified Buyer
    Helpful Reviewer

    Pros

    • Fast Start

    Cons

      Best Uses

      • Replacement

      Comments about Autolite Copper Spark Plug:

      I used this in my 1997 Custom Harley Sportster. I didn't have time to buy one at the Harley shop, I decided to check the auto store. I found this part to be a perfect fit and works just as good as the Harley Brand but so much cheaper and convenient to buy from auto store. I never knew they had these for motorcycles. I would have shop there sooner if I'd known. Great product, fast start!! I give an AAA++

      (8 of 14 customers found this review helpful)

       
      5.0

      Great!

      By 

      from St Augustine, FL

      About Me Auto Enthusiast, Competitive Driver

      Verified Buyer
      Helpful Reviewer

      Pros

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

      Cons

        Best Uses

        • Everyday Driving
        • Performance Driving
        • Replacement

        Comments about Autolite Copper Spark Plug:

        I bought these for my motorcycle. It was cutting out real bad and after replacing the plugs, it runs great now!

        Displaying reviews 1-4

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        Do you have questions about this product?

         

        Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

        1 Question | 1 Answer
        Displaying question 1
        • Q:

          What is the proper gap setting for this plug? It will be installed in a 2004 Honda Silverwing motorcycle?
          Asked on 11/20/2010 by Art from Punta Gorda Fl

          1 answer

          • CUSTOMER CARE

            A:

            I would recommend gapping the spark plug to what the manual calls for.

            Answered on 11/21/2010 by Ron the Auto Parts Rebel from AAP
        Displaying question 1

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