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Denso I31 - Alternative spark plugs

There are 2 replacement spark plugs for Denso I31. The cross references are for general reference only, please check for correct specifications and measurements for your application.


  • Denso I31 replacement spark plugs
  • NGK 7348
  • NGK UR6IX

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The spark plug Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.