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Arco Starting & Charging SW456 Marine Starter Solenoid

Manufacturer

Arco Starting & Charging

<h3>ARCO Starting &amp; Charging: The Marine Industry&apos;s Gold Standard</h3><p>When a boater turns the key and nothing happens miles from the dock, the name they wish they had trusted is <strong>ARCO Marine</strong>. For more than six decades, ARCO Starting &amp; Charging has been the benchmark for dependable marine engine electrical components — building and testing every unit at their facility in Pensacola, Florida to ensure each part meets or exceeds original equipment manufacturer (OEM) specifications before it ever reaches a customer.</p><p>Founded in 1960, ARCO set out with a straightforward mission: deliver peace of mind to boat owners and marine technicians through products they can rely on. That philosophy hasn&apos;t changed. Every component ARCO manufactures — from outboard <a href="/7236-arco-starting-charging-starter-motor-4152">starter motors</a> to high-output alternators — is rigorously load-tested beyond normal operating conditions. It&apos;s the kind of commitment that has made ARCO the trusted choice of professional marine service technicians and weekend boaters alike for generations.</p><h3>Purpose-Built for the Harshest Marine Environments</h3><p>Saltwater, humidity, and vibration are relentless adversaries for any electrical component. ARCO engineers their products specifically for these conditions. Their <a href="/7236-arco-starting-charging-tilttrim-motors-201071">tilt/trim motors</a> and <a href="/7236-arco-starting-charging-trim-and-tilt-units-201108">trim and tilt units</a> are designed to perform reliably through years of saltwater exposure, while their <a href="/7236-arco-starting-charging-alternators-200087">alternators</a> — including the advanced Zeus High Output Alternator line — are purpose-built to charge modern battery banks faster and handle the electrical demands of today&apos;s feature-rich vessels. ARCO makes OEM replacement parts compatible with leading engine manufacturers including Mercury, Yamaha, Volvo Penta, MerCruiser, Honda, Evinrude, Suzuki, and many others, making cross-referencing straightforward for technicians and DIYers alike.</p><h3>Innovation with the Zeus High Energy Platform</h3><p>ARCO&apos;s Zeus line represents the brand&apos;s push into next-generation marine charging technology. Zeus High Output Alternators and Bluetooth-enabled voltage regulators are engineered for multi-voltage compatibility and rated IP68 for protection against water intrusion — a critical specification in marine applications. The Zeus ecosystem is purpose-built to support lithium battery banks, high-draw accessories, and demanding live-aboard or commercial use cases where consistent power output is non-negotiable.</p><h3>OEM Quality, Factory Warranty, American-Made</h3><p>ARCO backs their entire rotating electric parts lineup — including their <a href="/7236-arco-starting-charging-starters-inboard-201008">inboard starters</a> — with the ARCO Assurance warranty program, offering coverage against defects in materials and workmanship. Manufacturing, quality testing, warehousing, and fulfillment all take place in the United States, giving buyers confidence in consistent quality control from start to finish. For anyone maintaining a vessel and unwilling to compromise on reliability, ARCO Starting &amp; Charging remains the definitive choice in marine engine electrical components.</p>

Part Number

SW456
09/13/2036 6:36 AM
Sale Price

$46.39

2 left at this price

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Product Details

The Arco SW456 is an original equipment quality replacement starter solenoid designed for marine applications. This heavy-duty solenoid features a 4-post configuration with a 3-bolt mounting pattern, making it compatible with 14 MT starters and specifically designed to work with Arco starter models 30456 and 30457.

Key Features:

  • 4-post electrical connection design
  • 3-bolt secure mounting pattern
  • Engineered to meet or exceed OEM specifications
  • Corrosion-resistant coating for marine environments
  • Fits 14 MT starter systems
  • Manufactured by Arco Marine in Pensacola, Florida since 1960

Replaces OEM Part Numbers:

  • Mercury Marine: 89-850408
  • Crusader: RU0050

Arco Marine specializes in premium electrical components for marine engines, with every part tested prior to shipment to ensure the highest quality and reliability. This solenoid is built to withstand the demanding marine environment and provides dependable performance for inboard and sterndrive applications.

Good experience

Collett Junior gives good advice as to model number appropriate to my vehicle, which I why I purchased from you, relying upon correct model number advice for my 1977 Dodge W200 with Dana 44 front axle.

Good new product and fast shipping, cheaper than the one listed on Ebay.

Good so far

easy

Quick and easy

Easy

Easy to navigate, fast shipping and able to get parts that are practically discontinued. Great experience.

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