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Sierra 18-5966-1 Marine Alternator 55 Amp Single Groove

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-5966-1
5 reviews
03/12/2036 11:04 AM
Sale Price

$260.58

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Sierra 18-5966-1 is a heavy-duty 55-amp marine alternator designed for MerCruiser stern drive and inboard engines. This Mando-style alternator features a single groove V-belt pulley and is engineered to meet or exceed OEM specifications and USCG safety requirements.

Key Features:

  • 55-amp output for reliable charging power
  • 12-volt system compatibility
  • Single groove pulley design with 2-inch mounting foot
  • Mando-style construction for durability in marine environments
  • 100% load tested for assured performance
  • Meets SAE J1171 standards

This alternator fits 1982 and newer GM 4-cylinder engines, as well as 1982-1996 GM V-6 and V-8 engines used in MerCruiser applications. It directly replaces Mercury part numbers 817119A4, 817119A1, 12449, 12449A1, 92497, 92497A3, 98555A1, and Mallory 9-19101. Sierra marine parts are designed for reliable performance in demanding saltwater and freshwater conditions.

Overall happy with order and shipping time

Painless ordering, great price. Could use a little product distribution, however I knew what I am looking for.

Great experience with no issues and fast delivery.

Awesome detail and fast turn around.

Prop works good

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