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Genuine Honda OEM Spark Plug (SILMAR8A9S) (NGK) - 31909-MJP-G51

Genuine Honda OEM Spark Plug (SILMAR8A9S) (NGK) - 31909-MJP-G51

31909-MJP-G51

$35.42
$35.42
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Genuine Honda OEM Spark Plug (SILMAR8A9S) (NGK) for the Cylinder Head assembly.

  • Honda Part Number: 31909-MJP-G51
  • OEM Catalog Description: SPARK PLUG (SILMAR8A9S) (NGK)
  • Part: Spark Plug
  • Assembly: Cylinder Head

Known Applications

  • 2016 Honda CRF1000 AG
  • 2016 Honda CRF1000 DG
  • 2018 Honda CRF1000 A2J
  • 2022 Honda CMX1100 A
  • 2023 Honda CMX1100 D2
  • 2023 Honda CRF1100 D4
  • 2025 Honda CB750 A

Known applications shown are not guaranteed to be complete. Please verify the Honda OEM part number for your specific model before ordering.

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⚠️ WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more.