ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Regulator [4029]

Description

Zeus A275L 1"-2" Single Foot Alternator with Regulator

The highest power output alternator in its size/class. 

Features:

  • Engineered for High Energy Production.
  • Suitable for Marine, RV, Military, and Commercial applications.
  • Rapidly charges large battery banks.
  • Coolest operating temperatures for increased performance. 
  • Runs 8 - 20% cooler than incumbent alternators due to Heat shedding coatings, Rectifier located on housing exterior, Dual cooling fans, and OEM Components.
  • It is optimized for performance at idle speeds.
  • Reduces the need for a generator by creating additional power with your engine.
  • Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods.
  • Use an ARCO Zeus Bluetooth alternator regulator or lithium battery charging for maximum performance.
  • SAE J1171 Certified.
  • Made in the U.S.A.

Technical Specifications:

  • Voltage - 12v
  • Field Type - P
  • Rotor Poles - 16
  • Stator Size - 138mm
  • Frame Size - Large
  • Weight - 14.9 lbs/6.7 kg
  • Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.) 
  • Output Voltage - 14.1v (Default)
  • 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 (6-groove, 49mm)
  • Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5
  • Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included)
  • Diodes - 6 positive, 6 negative, 50A Rated, Avalanche
  • Max Output (Cold, 9,000 RPM) - 311 Amps
  • Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps
  • Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps
  • Max Continuous Operating Temperature - 110°C / 230°F

Mounting Application:

  • Replaces most domestic styles using a single 1” or 2” mounting foot (e.g., Motorola, Prestolite)

Quick Guide (pdf)
Product form

Zeus A275L 1"-2" Single Foot Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production.... Read more

SKU: CWR-107327
Barcode: 695845934155

$1,249.60$1,096.70

    • Price Match Guarantee
    • Free Shipping on orders over $200
    • Secure Checkout

      Description

      Zeus A275L 1"-2" Single Foot Alternator with Regulator

      The highest power output alternator in its size/class. 

      Features:

      • Engineered for High Energy Production.
      • Suitable for Marine, RV, Military, and Commercial applications.
      • Rapidly charges large battery banks.
      • Coolest operating temperatures for increased performance. 
      • Runs 8 - 20% cooler than incumbent alternators due to Heat shedding coatings, Rectifier located on housing exterior, Dual cooling fans, and OEM Components.
      • It is optimized for performance at idle speeds.
      • Reduces the need for a generator by creating additional power with your engine.
      • Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods.
      • Use an ARCO Zeus Bluetooth alternator regulator or lithium battery charging for maximum performance.
      • SAE J1171 Certified.
      • Made in the U.S.A.

      Technical Specifications:

      • Voltage - 12v
      • Field Type - P
      • Rotor Poles - 16
      • Stator Size - 138mm
      • Frame Size - Large
      • Weight - 14.9 lbs/6.7 kg
      • Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.) 
      • Output Voltage - 14.1v (Default)
      • 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 (6-groove, 49mm)
      • Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5
      • Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included)
      • Diodes - 6 positive, 6 negative, 50A Rated, Avalanche
      • Max Output (Cold, 9,000 RPM) - 311 Amps
      • Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps
      • Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps
      • Max Continuous Operating Temperature - 110°C / 230°F

      Mounting Application:

      • Replaces most domestic styles using a single 1” or 2” mounting foot (e.g., Motorola, Prestolite)

      Quick Guide (pdf)

      Reviews

      ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Regulator [4029]

      ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Regulator [4029]

      0 out of 5 stars

      This product has no reviews yet

      Recently viewed products

      © 2025 Safe Water, Powered by Safe Water

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Mastercard
        • PayPal
        • Shop Pay
        • Visa

        Login

        Forgot your password?

        Don't have an account yet?
        Create account