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

Part No. 4549 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:5/8
Manufacturer Heat Range:7
Reach:12.7 mm
Seat Type:Gasket
Shorty Spark Plug:No
Thread Diameter:10 mm
Tip Configuration:Stud
Wrench Diameter:5/8 in


by PowerReviews
NGKNickel Spark Plug (CR7HSA)

(based on 1 review)

Ratings Distribution

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  • 1 Stars



Reviewed by 1 customer

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(1 of 1 customers found this review helpful)


The right plug


from Northern NJ

See all my reviews

Verified Buyer


  • Clean Firing
  • Durable
  • Easy To Use


    Best Uses

    • Street Riding

    Comments about NGK Nickel Spark Plug (CR7HSA):

    OEM replacement for Buddy 170i scooter. It fires without fail (with one cylinder - you'd know if it didn't)and lasts more than 10,000 miles. I could have gone further on the same NGK plug it replaced, but thought I'd give my scooter a treat. There are cheaper plugs, but none perform as reliably.

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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.

    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



        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



        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
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