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194-1873 - Regulator, 18736A21

CDI Electronics 194-1873 - Regulator, 18736A21CDI Electronics 194-1873 - Regulator, 18736A21

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Part Number
194-1873

Manufacturer
CDI Electronics

194-1873 -Voltage Regulator 6 Cyl., 40 amp

Fits: 1989-1991 (135,150,175 & 200HP)

Replaces: Mercury #18736A, 18736A 3,
18736A 8, 18736A11,
18736A14, 18736A15,
18736A20, 18736A21

Technical information (PDF)
Warranty (PDF)
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CDI Electronics 194-1873 - Regulator, 18736a21 is equivalent to parts:

  • 194-1873 Sierra Marine
  • 18-99442 Sierra Marine
  • 18736A21 Mercury Marine
  • 18736A20 Mercury Marine
  • 18736A21 Mercury Marine
  • 18736A20 Mercury Marine
CDI Catalog Online
CDI produces state of the art ignition components that have become the industry standard for quality electronic ignition systems.

Special Note: CDI Electronics has merged wtih Sierra Marine. Some legacy CDI part numbers will still be in effect and sold for some time. Some legacy CDI part numbers have been discontinued and have been replaced by new 2025 Sierra Marine part numbers.

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