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Sierra 18-99421 Voltage Regulator for MerCruiser Marine Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

118-99421
8 reviews
03/13/2036 10:20 AM
Sale Price

$436.79

2 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 18-99421 Voltage Regulator is a premium replacement component designed specifically for MerCruiser marine engine electrical systems. This high-quality voltage regulator ensures stable charging output to protect your battery and onboard electrical components from damaging voltage fluctuations.

Key Features:

  • Direct replacement for CDI 194-9502 and multiple Mercury OEM part numbers
  • Engineered for MerCruiser 3.7L, 4-cylinder marine engines
  • Precision voltage regulation maintains consistent charging system performance
  • Water-cooled design for reliable operation in marine environments
  • Manufactured to meet or exceed OEM specifications
  • Durable construction withstands harsh saltwater and freshwater conditions

This voltage regulator fits various MerCruiser models including 470, 485, and 488 series engines with 2-barrel carburetors (1976-1984), 170 and 190 models (1985-1986), 165 and 180 models (1987), and 3.7L engines (1988-1989). It replaces Mercury part numbers 86255A2, 86255A3, 77305A2, 99502A4, 99502A7, 99502A8, 99502A9, 99502A12, and 99502A13.

Sierra Marine parts are trusted by boaters worldwide for their reliability and value, offering OEM-quality performance at competitive prices.

I received exactly what I ordered in a timely manner.

Ordering went smooth, good prices. Hope everything else goes well.

Fair price,shipped fairly quick

Went well becides they showed up on two different day kinda worried me but other than that great.

very good !

It was good

No Comment, all went well with order

Easy order delivered on time

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