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SKU: EYFDS9BCTY |  Mfg. Part: 4022  | 
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Arco 4022 High Output Marine Alternator 12v 311a J-180 Mount

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Condition: New

$906.01  $1223.11
ARCO Marine ARCO MARINE
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High Output Marine Alternator with J-180 Mount

This powerful alternator is designed to deliver the highest energy output in its class, making it ideal for marine, RV, military, and commercial applications.

Key Features:

  • Engineered for optimal energy production and rapid battery charging.
  • Operates at significantly cooler temperatures, enhancing performance.
  • Enhanced cooling technologies including heat-shedding coatings and dual cooling fans.
  • Performance optimized for engine idle, reducing dependency on generators.
  • Durable E-Coat/Cerakote finishes keep the alternator operating efficiently.
  • SAE J1171 Certified for safety and reliability.
  • Manufactured in the USA with precision engineering.

Technical Specifications:

  • Voltage: 12V
  • Field Type: P
  • Rotor Poles: 16
  • Stator Size: 138mm
  • Frame Size: Large
  • Weight: 14.9 lbs (6.7 kg)
  • Regulation: External only, compatible with external regulators.
  • Maximum Output: 311 Amps at cold RPMs
  • Continuous Operating Temp: 110°C (230°F)
  • Mounting: Replaces most Volvo Penta alternators with a 4” J180 saddle-style mount.

  • High power output at idle speeds.
  • Reduces generator reliance by optimizing engine power.
  • Advanced cooling features including dual fans.
  • Maximum output of 311A ensures optimal battery charging.
  • Compatible with ARCO Zeus Bluetooth alternator regulators.
  • Manufacturer:
  • Model Number:
  • ASIN:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • ARCO Marine
  • 4022
  • New
  • 16.55 lbs
  • 11 X 10 X 10
  • Dec 04, 2025
  • Mar 06, 2025

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Arco 4022 High Output Marine Alternator 12v 311a J-180 Mount

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