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Arco Starting & Charging SW661 Solenoid for Mercruiser and Mercury Marine

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

SW661
06/21/2036 6:49 AM
Sale Price

$32.27

In Stock (5)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Arco Starting & Charging SW661 is a heavy-duty marine solenoid designed as a direct replacement for Mercruiser and Mercury Marine starting systems. This 12-volt solenoid features an isolated base design that provides reliable electrical separation and prevents ground loop interference in marine electrical systems.

Key Features:

  • Direct replacement for Mercury part numbers 25661, 25661-1, and 25661-T1
  • 12-volt operation for standard marine electrical systems
  • Isolated base design prevents electrical interference and improves reliability
  • Heavy-duty construction for harsh marine environments
  • Corrosion-resistant terminals and housing

This solenoid is specifically engineered for marine applications where exposure to moisture, salt spray, and vibration require components built to withstand demanding conditions. The isolated base configuration makes it ideal for systems requiring clean electrical separation between control and power circuits.

Products specifications

Replaces

25661, 25661-1, 25661-T1

Very efficient and fast

very easy

In stock, fast delivery, painless!

Cheapest price i could find! Great communication, and fast shipping!

Couldn't choose any of my other amazon shipping addresses as my method of payment showed no payment method for any other address so I had to take shipment to my main address and now I have to drive the parts to where I need them 90 mins round-trip plus t

great price and extremely fast shipping.<br><br>thank you

it was very easy and simple, thank you

great

Quick and easy

Great

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