ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Isolated Ground  Terminal Block [4028]
SKU: 94359209672

ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Isolated Ground Terminal Block [4028]

Sale price$493.52 Regular price$548.35
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Ships within 48 hours ยท Estimated delivery Jul 9 - Jul 14

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Description

ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Isolated Ground Terminal Block [4028]Zeus A275L 1" 2" Single Foot Alternator with Isolated Ground & Terminal Block 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. Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM components Optimized for

Zeus A275L 1"-2" Single Foot Alternator with Isolated Ground & Terminal Block

The highest power output alternator in its size/class.ย 

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.
  • Heat shedding coatings
  • Rectifier located on housing exterior
  • Dual cooling fans
  • OEM components
  • 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, keeping the A275L cooler for sustained amperage output.
  • Use the ARCO Zeus Bluetooth Alternator Regulator for maximum performance or lithium battery charging.
  • SAE J1171 Certified.
  • Models available with internal/external voltage regulator.
  • Proudly 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 - 110ยฐC / 230ยฐF

Mounting Application:

  • Replaces most domestic styles using a single 1" or 2" mounting foot (e.g., Motorola, Prestolite). Requires Standard single "V" belt upgrading to a double "V" belt or Serpentine System

Quick Guide (pdf)
Brochure (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 94359209672

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Brian and Susy
Cuba, US
โ˜…โ˜…โ˜…โ˜…โ˜… 1
Made in China? Really famous German brand Bosch?
Made in China? Really famous German brand Bosch? I would not have bought this filter for my Porsche Macan if I'd known it was made in China and would have bought a German-made Mann or Mahle filter like I have in the past.
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Reviewed in the United States on April 13, 2026
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CONSUMER I
Chelsea, US
โ˜…โ˜…โ˜…โ˜…โ˜… 5
Worked well.
Worked well.
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Reviewed in the United States on October 24, 2024
M
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Mer dawg
Phoenix, US
โ˜…โ˜…โ˜…โ˜…โ˜… 5
Perfect fit
Good quality for Porsche. Easy to install.
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Reviewed in the United States on March 10, 2024
P
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Phil
Boise, US
โ˜…โ˜…โ˜…โ˜…โ˜… 5
High quality filters!
Size: 72215WS
Bosch filters...the best! Well made and very effective!
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Reviewed in the United States on March 11, 2026
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Amazon Customer
Omaha, US
โ˜…โ˜…โ˜…โ˜…โ˜… 5
Fit perfect, good quality
Size: 72215WS
I use these on my Vstar 1100 and they work well. No issues and happy with the quality.
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Reviewed in the United States on May 4, 2025

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