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Arco Starting & Charging 20102 Marine Alternator 12V 70 Amp Single Wire

Manufacturer

Arco Starting & Charging

<h3>Nearly Six Decades of Marine Electrical Excellence</h3><p>ARCO Starting & Charging has been the trusted name in marine electrical components for nearly 60 years, setting the gold standard for OEM-quality replacement parts. Operating from their Florida facility, ARCO manufactures, tests, and warehouses every component in the USA, ensuring rigorous quality control before any part leaves their 100,000-square-foot production center. What sets ARCO apart from competitors is their commitment to testing every unit beyond normal operating conditions, using state-of-the-art computerized assembly lines and automated digital load testers to verify performance specifications.</p><p>The company's dedication to proven dependability has earned them a reputation among marine mechanics, boat owners, and commercial operators who demand reliability in challenging saltwater environments. ARCO products consistently meet or exceed OEM specifications, backed by their comprehensive warranty program that demonstrates confidence in their manufacturing processes. Their engineering team comprises industry veterans with decades of experience in rotating electrical components, providing technical expertise that translates into innovative product solutions.</p><h3>Comprehensive Marine Starting & Charging Solutions</h3><p>ARCO's product lineup addresses every aspect of marine electrical systems. Their <a href="/7236-arco-starting-charging-tilttrim-motors-201071">tilt/trim motors</a> deliver precise control for outboard and stern drive positioning, featuring corrosion-resistant construction and reliable performance in harsh marine conditions. The company's <a href="/7236-arco-starting-charging-starters-inboard-201008">inboard starters</a> and <a href="/7236-arco-starting-charging-starters-outboard-201009">outboard starters</a> utilize high-performance permanent magnet gear reduction technology, ensuring powerful cranking even in cold-start situations. Whether you're maintaining a fishing boat, pleasure craft, or commercial vessel, ARCO's extensive application catalog covers major engine manufacturers including Mercury, Yamaha, Volvo Penta, MerCruiser, and OMC.</p><p>Beyond their traditional marine engine components, ARCO has expanded into high-energy charging solutions through their Zeus product line, which includes high-output alternators in 12V, 24V, and 48V configurations, along with Bluetooth-enabled voltage regulators. This innovation addresses the growing electrical demands of modern boats equipped with electronics, navigation systems, and house battery banks. ARCO's commitment to manufacturing in America means faster availability, with over six months of inventory typically in stock, and direct technical support from the engineers who design and build their products.</p>

Part Number

20102
07/13/2036 2:23 AM
Sale Price

$170.61

3 left at this price

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Arco 20102 is a premium replacement marine alternator designed for Mercruiser and BRP-OMC engine applications. This Delco-style alternator delivers reliable 70-amp output at 12 volts, making it ideal for demanding marine electrical systems.

Key Features:

  • 70-amp output at 12 volts for robust charging performance
  • Self-exciting design with 1-wire connection for simplified installation
  • Internal voltage regulator with ignition protection screens
  • Negative ground configuration
  • 2-inch mounting foot for secure installation
  • Single groove pulley included
  • Engineered to meet or exceed OEM performance standards

This alternator replaces multiple OEM part numbers including Mercury 32701, 47456A1, 56045, 59755, and 69729, as well as Sierra 18-5950, 18-5956, 18-6841, and Quicksilver 8M6007462. The simplified single-wire connection eliminates complex wiring while the self-exciting design ensures consistent charging performance. Manufactured by ARCO Marine in Pensacola, Florida, this alternator is backed by rigorous quality testing and a 12-month warranty for leisure use.

Products specifications

Description

1 Wire Connection

Type

New

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The price was right, and they were very helpful and told me all about the product I ordered, and had it shipped out to me quickly! <br><br>Thanks!

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