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Sierra 18-6260 Marine Alternator 12V 51 Amp for OMC Sterndrive & Cobra Stern Drives

Manufacturer

Picture for manufacturer Sierra

Part Number

18-6260
10 reviews
Sale Price

$264.08

1 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 18-6260 is a marine-grade 12-volt, 51-amp alternator designed as a direct replacement for OMC Sterndrive and Cobra stern drive applications using Prestolite/Motorola charging systems. Built to OEM specifications, this alternator delivers reliable onboard power with an internal voltage regulator and single groove V-belt pulley.

Key Features:

  • Voltage: 12V
  • Amperage: 51A
  • Regulator Type: Internal
  • Polarity: Negative ground
  • Pulley Type: Single groove V-belt pulley
  • Fan Type: External
  • Meets or exceeds USCG and SAE J1171 marine safety standards
  • 100% load tested for assured out-of-the-box reliability
  • Heavy-duty bearings and regulators for extended service life
  • High-quality stators and heavy-duty rectifiers for maximum efficiency

Replaces OEM Part Numbers:

  • OMC: 987774, 984565, 3853853, 3854182, 3854809, 3857298, 3860769
  • Volvo Penta: 3850927-9, 3854809-5, 3854182-7, 3853853-4, 3857298, 3860173, 857298
  • Arco: 60125
  • Motorola: 8EM2003K, 8EM2004K, 8EM2017K, 8MR2091KS
  • Prestolite: 110-354, 110-355, 110-386, 110-389, 110-686

Sierra marine alternators are engineered to meet or exceed OEM requirements, making the 18-6260 a trusted, drop-in charging solution for OMC Cobra and Sterndrive-equipped boats.

Products specifications

Compatibility

For OMC Cobra

Type

Engine Parts

I ordered street performance brake pads. Autoplicity had the best price on the net and were shipped quick. Can't wait to get them installed.

Did not even know I forgot something! Thanks Autoplicity!!

Mui bien

Great information on website and easy to order.

Very good price on my purchase and free shipping!

Great price, much cheaper than other retailers. Also, the package got shipped within 24hrs.

So far so good waiting for shipment

Thanks for the safe guarantee.

it was pretty easy. quick and simple.

Best price I could find! Shipped through UPS, great service.

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