Possible spark plugs:

  • NGK: B9HV
  • Accel: 156
  • AC Delco: R41F
  • AC Delco: M41FFG
  • AC Delco: S41FG
  • Autolite: 2455
  • Autolite: 411
  • Bosch: W3AC
  • Champion: L78C
  • Champion: QL57
  • Denso: W27FN
  • Prestolite: 1,40E+002
  • Splitfire: SF409B

Details about your spark plug:

  • Type: MARINE
  • Type: AUTOM.
  • Thread size: n/a (0 inches)
  • Hex size: N/A inches (0 mm)
  • Reach: N/A inches (0 mm)
  • Seat type: N/A
  • Projected tip: N/A

Convert another spark plug:

spark plug converter: