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HEI Ignition Coil-MerCruiser Thunderbolt IV & V 392-805570A2 392-7803A4 18-5438


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New JetSki Plus Brand MerCruiser HEI Ignition Coil.

  • Plug and play replacement part, no modifications required
  • Comes exactly as pictured
  • 40,000 volt coil
  • Make sure your motor uses one of the part numbers below BEFORE buying   

Replaces the following part numbers:

  • Mercury Marine 392-7803A4
  • Mercury Marine 392-805570A2
  • Mercury Marine 300-8M0079202
  • Crusader 37068
  • Sierra 18-5438
  • GLM 72115
  • EMP 300-00879

Mercury Marine

  • 47886
  • 47886T

Please refer to your repair manual for proper procedures


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