Possible spark plugs:

  • NGK: B6S BL1
  • NGK: B8S
  • Accel: 123
  • AC Delco: C42-1
  • AC Delco: M42K
  • Autolite: 303
  • Autolite: 312
  • Autolite: 313
  • Autolite: 353
  • Autolite: 3423
  • Bosch: W7EC
  • Bosch: W5EC
  • Champion: J6C
  • Champion: J4C
  • Champion: J4J
  • Champion: UJ81J
  • Denso: W24S-U
  • Motorcraft: A21X
  • Motorcraft: A2C
  • Napa: X500
  • Prestolite: 14-2X

Details about your spark plug:

  • Type: MARINE
  • Type: HI-PERF.
  • Thread size: 14mm (0.55118 inches)
  • Hex size: 0,81 inches (20.574 mm)
  • Reach: 0,38 inches (9.652 mm)
  • Seat type: GASKET
  • Projected tip: NO

Convert another spark plug:

spark plug converter: