• NGK CR8EH-9 spark plug for Honda, OEM part 5666, showing the metal shell and ceramic insulator in a close-up image.
  • 5666 Spark Plug — Standard - Howling Moto
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NGK Spark Plugs

NGK CR8EH-9 Spark Plug | OEM Part No. 5666 | Honda 98059-58916

NGK CR8EH-9 Spark Plug | OEM Part No. 5666 | Honda 98059-58916

5666

$17.95 USD
$17.95 USD $17.95 USD
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160 in stock

NGK CR8EH-9 Spark Plug – OEM-Grade Performance for Honda Motorcycles

Keep your Honda running at peak performance with the genuine NGK CR8EH-9 Spark Plug (Part No. 5666). This OEM-compatible plug is a direct replacement for Honda OEM Part Number 98059-58916, delivering reliable ignition and long-lasting durability for your motorcycle.

Key Features

  • Trivalent metal plating – Superior anti-corrosion and anti-seizing properties for extended service life
  • Pure alumina silicate ceramic insulator – Provides superior strength and better heat transfer
  • Triple seals – Prevent combustion leakage for consistent performance
  • Corrugated ribs – Prevent flashover and ensure reliable spark
  • Copper core – Aids in efficient heat removal from the combustion chamber

Fitment & Part Numbers

  • NGK Part No.: 5666
  • NGK Model: CR8EH-9
  • Honda OEM Part No.: 98059-58916

Weight: 0.2 lbs

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