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NGK Spark Plugs

NGK CR9EK Spark Plug | Standard Resistor Plug (NGK 4548)

NGK CR9EK Spark Plug | Standard Resistor Plug (NGK 4548)

SKU:4548

Regular price $17.95 USD
Regular price $17.95 USD Sale price $17.95 USD
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Quantity

107 in stock

The NGK CR9EK Spark Plug (Part #4548) is a direct-fit standard spark plug engineered for high-performance motorcycles and powersports applications. NGK's proven construction delivers reliable ignition, superior heat transfer, and long service life — ride after ride.

  • Trivalent metal plating — superior anti-corrosion and anti-seizing protection for easy removal at service time
  • Pure alumina silicate ceramic insulator — exceptional strength and optimized heat transfer for consistent combustion
  • Triple seals — prevent combustion gas leakage for maximum compression retention
  • Corrugated ribs on insulator — prevent flashover and misfires under high-voltage conditions
  • Copper core electrode — aids in heat removal and promotes stable idle and throttle response

Specifications:

  • Part Number: NGK 4548
  • NGK Code: CR9EK
  • Type: Standard / Resistor
  • Thread Size: 10mm
  • Heat Range: 9
  • Brand: NGK Spark Plugs

Sold individually. Verify fitment with your owner's manual or parts lookup before ordering.

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