Possible spark plugs:

  • NGK: B4L
  • NGK: B6S
  • NGK: B7S
  • NGK: BR6S
  • Accel: 166
  • Accel: 124
  • Accel: 123
  • AC Delco: 46F,C43L
  • AC Delco: 44,M44C
  • AC Delco: M44C
  • AC Delco: 41
  • AC Delco: M42K
  • AC Delco: R44
  • AC Delco: R43
  • Autolite: 225
  • Autolite: 294
  • Autolite: 303
  • Autolite: 354
  • Autolite: 2812
  • Autolite: 313,3
  • Autolite: 2243
  • Autolite: 3014
  • Autolite: 302
  • Autolite: 304
  • Autolite: 314
  • Autolite: 315
  • Autolite: 3382
  • Autolite: 3383
  • Autolite: 3384
  • Autolite: 3386
  • Autolite: 3388
  • Autolite: 3426
  • Autolite: 363
  • Bosch: WR8EC
  • Bosch: W7EC
  • Bosch: W5EC
  • Bosch: WR9EC
  • Bosch: W9EC0
  • Champion: RH10C
  • Champion: J8C
  • Champion: RJ6C
  • Champion: J6C
  • Champion: J4C
  • Champion: RJ12C
  • Champion: RJ8C
  • Champion: XMJ14
  • Denso: W14L
  • Denso: W16S-U
  • Denso: W22S-U
  • Denso: W20SR-U
  • Mighty: M4E4
  • Mighty: M4-3
  • Mopar: 4339491
  • Motorcraft: AS4C
  • Napa: X526
  • Napa: X502
  • Napa: X501
  • Napa: X500
  • Napa: X900
  • Prestolite: 14L9
  • Prestolite: 14-5X
  • Prestolite: 14-2X
  • Prestolite: 14-03-01
  • Splitfire: SM021F
  • Splitfire: SM029E
  • Splitfire: SM030C
  • Valley Forge: 447

Details about your spark plug:

  • Type: MTCYC.
  • Type: MARINE
  • Type: MIL.
  • 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:

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