Possible spark plugs:

  • NGK: B9HS-10
  • Accel: 156
  • AC Delco: M40FFX
  • Autolite: 2634
  • Bosch: W4AC
  • Champion: L77JC4
  • Denso: W27FS-U10
  • Motorcraft: AV91X-4
  • Splitfire: SF263D

Details about your spark plug:

  • Type: MARINE
  • Thread size: 14mm (0.55118 inches)
  • Hex size: 0,81 inches (20.574 mm)
  • Reach: 0,5 inches (12.7 mm)
  • Seat type: GASKET
  • Projected tip: NO

Convert another spark plug:

spark plug converter: