Hi-Performance Racing Spark Plug
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Autolite Hi-Performance Racing Spark Plug

Part No. AR3923 Warranty Details  

Fit of this part varies by vehicle & equipment specs Type of Fit

Actual racing spark plug used by many professional race car drivers. Provides a new Yttrium enhanced alloy allowing up to 8% reduction in sidewire temperature*, anti-corrosive nickel plating and cut back ground electrode for improved ignitability.
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Electrode Tip Material:Resistor
Reach:3/4 in
Resistor:Suppressor
Seat Type:Gasket
Thread Diameter:14 mm
Tip Configuration:Power
Wrench Diameter:5/8 in

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4 Questions | 4 Answers
Displaying questions 1-4
  • Q:

    Is this plug good to use in my Dodge Durango 2008 4.7L on intake row? I'm looking at plug Autolite AR3923.
    Asked on 8/17/2013 by DH from Arnold,MO

    1 answer

    • CUSTOMER CARE

      A:

      This Autolite Racing Copper Core Non-Resistor Spark Plug - Part No. AR3923 should fit your 2008 Dodge Durango 4.7L. However, this product is universal and not a direct fit. Some modifications may be required for proper installation. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

      Answered on 8/17/2013 by Morgan from AAP
  • Q:

    will this plug fit a 2009 chevy aveo?
    Asked on 6/13/2013 by rose

    1 answer

    • CUSTOMER CARE

      A:

      Sorry, this Autolite Racing Copper Core Non-Resistor Spark Plug (Part No. AR3923) is not compatible with your 2009 chevy Aveo. However please refer this Autolite Copper Core Resistor Spark Plug (Part No. 5224) which would be an exact fit for your vehicle. For any further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and our representatives would be more than happy to assist you.

      Answered on 6/13/2013 by Max from AAP
  • Q:

    I have a dodge V8 318 engines, and the box of the plug from autolite said 65 , but I could not fine the part numbre in advance autopart than I can buy the items
    Asked on 6/5/2013 by Ivan Gomez from Miami FL

    1 answer

    • CUSTOMER CARE

      A:

      Sorry, with reference to your inquiry on the Autolite Racing Copper Core Non-Resistor Spark Plug - part# AR3923, right now we are unable to locate the exact Autolite Copper Core Spark Plugs 65 for your Dodge 318 V8 Engine online. However, if you could please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store one of our Parts Pros will gladly assist you with any questions or concerns you may have.

      Answered on 6/5/2013 by Vincent from AAP
  • Q:

    is this one plug or a pair?
    Asked on 1/1/2012 by Anonymous

    1 answer

    • CUSTOMER CARE

      A:

      It is sold individually.

      Answered on 1/3/2012 by Steve from AAP
Displaying questions 1-4

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