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Arco Starting & Charging 4011 Zeus A225S High-Output Marine Alternator

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

4011
09/12/2036 7:37 AM
Sale Price

$815.64

2 left at this price

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Usually delivered within 2 days

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Product Details

The Arco Starting & Charging 4011 is a Zeus A225S 3.15 high-output marine alternator featuring isolated ground and integrated terminal block design. This compact alternator delivers the highest power output in its size class, making it ideal for demanding marine electrical systems.

Key Features:

  • High-output 3.15 design for maximum charging capacity
  • Isolated ground configuration for enhanced electrical system protection
  • Integrated terminal block for simplified wiring connections
  • Compact footprint with industry-leading power-to-size ratio
  • Marine-grade construction for corrosion resistance
  • Designed for commercial and recreational marine applications

This alternator is engineered to meet the high electrical demands of modern marine vessels with multiple battery banks, electronics, and auxiliary systems. The isolated ground design helps prevent electrical interference and protects sensitive marine electronics.

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Your selection and service is great. The only issue i had was knowing if the product i was ordering was a stock item. I had to contact your customer service about three days after ordering to get an estimated delivery time, would have been nice to know sooner.

Tire provided was as exactly as promised and in brand new condition. Shipped superfast. Will use THMotorsports in the future!

This item will be very helpful.

Everything went well and it got here in a timely manner.

First off, the shipping was very quick! The battery was packaged very well. So, far so good. Just installed it in my SUV last night. Perfect fit! Thanks THMotorsports!

Great deal!

Ordered two of the same windshield wipers, and they shipped separately.. one was packed very nicely in an oversized box... the other was wrapped in a plastic mailer and arrived with the clips inside crushed

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