Nickel Spark Plug (CR7HSA)
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Nickel Spark Plug (CR7HSA) Nickel Spark Plug (CR7HSA) Nickel Spark Plug (CR7HSA)
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NGK Nickel Spark Plug (CR7HSA)

Part No. 4549 Warranty  

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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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Electrode Core Material:nickel
Electrode Tip Material:nickel
Ground Strap Quantity:1
Manufacturer Heat Range:7
Resistor:Yes
Shorty Spark Plug:No
Spark Plug Reach:1/2 in
Spark Plug Seat Type:gasket
Spark Plug Thread Size:10 mm
Tip Configuration:Stud
Type:Standard
Wrench Diameter:5/8 in

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2 Questions | 2 Answers
Displaying questions 1-2
  • Q:

    I want to know what is the different between 4549 CR7HSA and 4629 C7HSA spark plug.
    Asked on 11/12/2012 by Jo from Adelaide South Australia

    1 answer

    • CUSTOMER CARE

      A:

      There is only one difference between the NGK Nickel Spark Plug (CR7HSA) - Part No. 4549 and NGK Nickel Spark Plug (C7HSA) - Part No. 4629. The former comes with a projected insulator type (resistor) while the latter comes with a non-projected insulator type (Non resistor). For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto store and one of our representatives will gladly assist you with any questions or concerns you may have.

      Answered on 11/15/2012 by John the Car-Doc from AAP
  • Q:

    is there a hotter plug i can run in my vehicle that runs this stock, im running super unleaded and octane booster in my 125 scooter and want to run a hotter plug if need be , just want to make sure im burning all my $$ im pouring into my tank....thanks
    Asked on 11/11/2012 by patricksean

    1 answer

    • CUSTOMER CARE

      A:

      For further assistance regarding the NGK Nickel Spark Plug (CR7HSA) (Part No. 4549), please provide the year, make, model and engine size of your vehicle. For more information, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

      Answered on 11/12/2012 by Steve from AAP
Displaying questions 1-2

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