Nickel Spark Plug (DR8ES-L)
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NGK Nickel Spark Plug (DR8ES-L)

Part No. 2923 Warranty Details  

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Corrugated ribs help prevent flashover; high dielectric strength; proper heat transfer; works to eliminate combustion gas leakage; enhanced spark and heat transfer; improved anti-fouling; corrosion resistance.

Product Features:
  • Triple gasket-sealing process virtually eliminates gas leakage past the shell
  • 99% highly pure alumina silicate insulator enables use of longer insulator noses to reduce fouling
  • 3-step trivalent-plating process uses silver chromate and zinc for enhanced corrosion resistance
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Center Electrode Core Material:Copper Core
Center Electrode Tip Material:Nickel
Electrode Core Material:nickel
Electrode Tip Material:nickel
Gap Size:0.028 in
Ground Configuration:Standard
Ground Electrode Core Material:Nickel Core
Ground Electrode Quantity:1
Ground Electrode Tip Design:Standard
Ground Strap Quantity:1
Hex Size:18mm
Manufacturer Heat Range:8
Reach:19 mm
Seat Type:Gasket
Shorty Spark Plug:No
Spark Plug Approximate Resistor Value:5K Ohm
Thread Diameter:12 mm
Tip Configuration:Stud
Wrench Diameter:18.00 mm

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1 Question | 1 Answer
Displaying question 1
  • Q:

    would you explain the difference in spark plugs DR8ES & DR8ES-L made by ngk
    Asked on 4/16/2014 by carl

    1 answer



      Great question, Carl! I was able to find that Part No. DR8ES has a heat range of 8 and Part No. DR8ES-L has a heat range of 8.5. NGK has a great article on heat ranges if you have any questions about what those ranges mean. The article is located here:‎

      Answered on 4/16/2014 by Heath, ASE Parts Specialist from AAP
Displaying question 1

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