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

Manufacturer

Picture for manufacturer Sierra

Part Number

118-5966-1
9 reviews
Sale Price

$239.76

In Stock (6)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-5966-1 is a high-quality marine alternator designed for MerCruiser stern drive and inboard engines. This 55-amp, 12-volt alternator features a Mando-style design with a single groove V-belt pulley and 2-inch mounting foot, providing reliable charging performance for marine applications.

Key Features:

  • 55 amp output rating for dependable electrical charging
  • 12-volt system with internal voltage regulator
  • Single groove V-belt pulley configuration
  • Mando-style 2-wire design
  • Meets or exceeds USCG and SAE J1171 safety requirements
  • 100% load-tested for assured reliability
  • Built to OEM specifications for precise fit

This alternator fits 1982 and newer GM 4-cylinder engines, as well as 1982-1996 GM V-6 and V-8 engines (prior to serpentine belt systems). It replaces MerCruiser OEM part numbers 817119A4, 817119A1, 12449A1, 12449, 92497A3, 92497, and 98555A1, as well as Mallory 9-19101. Sierra Marine has over 50 years of experience manufacturing reliable aftermarket parts for the marine industry.

Delivered on time and part was as expected at a fair price. i would buy again from these guys.

Good experience

THANKS

Excellent prices, blazingly, fast shipping and items are exactly as described on the website. You beat any of my local tire shops for the best price for what I was looking for.

Good product and good price

Great so far

Smooth

Great working with.

I found the engine compartment heater I needed for my 20' boat at the best price at Boatplicity. Fast, convenient and good price.

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