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SKU: GQ6MK528U7 |  Mfg. Part: 4011  | 
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Arco Marine 4011 Zeus A225S 3.15 Alternator - Isolated Ground

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Condition: New

$805.94  $1,088.02
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Product Overview

Introducing the Zeus A225S 3.15 Alternator with Isolated Ground

This alternator is designed to deliver the highest power output in its class, making it a perfect fit for marine, RV, military, and commercial applications.

Key Benefits:

  • Engineered for high energy production.
  • Rapidly charges large battery banks.
  • Operates at cooler temperatures, running 8-20% cooler than other alternators.
  • Features heat shedding coatings and dual cooling fans for enhanced performance.
  • Optimized for performance at idle speeds, reducing the need for a generator.
  • Made with advanced coatings that keep the alternator cooler.
  • Compatible with ARCO Zeus Bluetooth Alternator Regulator for maximum performance.
  • SAE J1171 Certified and proudly made in the USA.

Technical Specifications

  • Voltage: 12V
  • Field Type: P
  • Rotor Poles: 16
  • Stator Size: 130mm
  • Frame Size: Small
  • Weight: 12 lbs / 5.4 kg
  • Regulation: Internal/External
  • Output Voltage: 14.1V
  • Finish: Black Cerakote or E-coating
  • Cut-In RPM: 1,061 Alternator RPM
  • Maximum Alt RPM: 19,000
  • Battery Post: M8 Thread Post, Side Mount
  • Standard Pulley: 49K6
  • Pulley Mount: 17mm diameter shaft
  • Max Output (Cold, 9,000 RPM): 254 Amps
  • Sustained Cruising Output (Hot, 6,000 RPM): 187 Amps
  • Sustained Idle Output (Hot, 3,000 RPM): 157 Amps

Product Details

  • Manufacturer:
  • Model Number:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • ARCO Marine
  • 4011
  • New
  • 14 lbs
  • 10 X 9 X 10
  • Apr 18, 2026
  • Apr 25, 2025
Product Identifiers: Brand: Arco Marine • Part #: 4011

Arco Marine 4011 Zeus A225S 3.15 Alternator - Isolated Ground

Reviews for Arco Marine 4011

$805.94