ARCO Marine Zeus A275L J-180 4" Alternator w/Regulator [A275L-12-DF4-IE-49K6]
ARCO Marine Zeus A275L J-180 4" Alternator w/Regulator [A275L-12-DF4-IE-49K6]
ARCO Marine Zeus A275L J-180 4" Alternator w/Regulator [A275L-12-DF4-IE-49K6]
ARCO Marine Zeus A275L J-180 4" Alternator w/Regulator [A275L-12-DF4-IE-49K6]

ARCO Marine Zeus A275L J-180 4" Alternator w/Regulator [A275L-12-DF4-IE-49K6]

TMK-103949

Regular price $1,136.00 Sale price$997.00 Save 12%
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Zeus A275L J-180 4" 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

   - 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 for maximum performance or lithium battery charging.
  • 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 Volvo Penta alternators using a 4” J180 saddle-style mount
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Quick Guide (pdf)
Brochure (pdf)
Free Shipping for orders $500 & Up

Ship any number of items to any lower 48 states (Continental US) Shipping Charges (Per Session Total Value) may apply :

Rate Name Condition Fee
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$0.01 To $50

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$50.01 To $150

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$150.01 To $300

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Epsilon $500 & Up $0.00

 

 

Shipping Delivery Time:

    • Cutoff Time: 10:00 PM (GMT-05:00) Eastern Standard Time (New York)
    • Handling Time: 02-03 Business Days.
    • Transit Time: 05-07 Business Days.
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    • The day of shipment does not count as a transit day Offer is valid in the continental US (lower 48 states) only.
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