Possible spark plugs:

  • NGK: DR5HS
  • AC Delco: S124FS
  • Autolite: 4173
  • Denso: X16FS-U

Details about your spark plug:

  • Type: MARINE
  • Thread size: 12mm (0.47244 inches)
  • Hex size: 18MM inches (457.2 mm)
  • Reach: 0,5 inches (12.7 mm)
  • Seat type: GASKET
  • Projected tip: NO

Convert another spark plug:

spark plug converter: