![ARCO Marine Zeus A275L J180 4" Alternator w/Isolated Ground Regulator [4025]](https://cdn.shopify.com/s/files/1/0538/9769/1296/files/107509XL.jpg?v=1738886065)
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Description
ARCO Marine Zeus A275L J180 4" Alternator w/Isolated Ground Regulator [4025]Zeus A275L J180 4" Alternator with Isolated Ground & 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. Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM components Optimized for performance at idle
Zeus A275L J180 4" Alternator with Isolated Ground & 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.
- 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 are available with an 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 - 110°C / 230°F
Mounting Application:
- Replaces most Volvo Penta alternators using a 4” J180 saddle-style mount
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:
- 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
4.9 ★★★★★
Based on 1730 reviews
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Product Reviews
★★★★★ 5
A mind bender.
Format: Paperback
Robert Monroe's story is such a remarkable one that for me it took a few years of pondering and re-reading various accounts of his "journeys" to come to grips with it as a legitimate reality. Since the early 1960's, Monroe carefully logged many hundreds or thousands of out of body experiences and over the years mastered exit techniques and went on to teach them to many students at his institute in Virginia.
Far Journeys is a wild ride and was at times difficult to follow due to the many terms RM coined to describe the completely unknown entities and experiences that became routine for him. Once you get accustomed to the vocabulary, the narrative becomes more intelligible. The book is really something of a travelogue to non-physical reality. He is not stopping along the way to explain things to us readers, but leaving the experiences to speak for themselves. In the end, one is left to grapple with the implications of all he is laying out. Is he just completely insane? I don't think that is the case. Monroe was, in my view, a true modern mystic, born into a highly academic and rational Western world. He brought all of his pragmatism and mechanistic views on the world to bear as he wrestled with his remarkable gifts. He is really the heir to Edgar Casey, and in turn any number of mystics from antiquity.
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Reviewed in the United States on January 8, 2014
★★★★★ 4
Well written, entertaining - whether this stuff is true or not depends on your opinion.
Format: Paperback
I loved Monroe's first book. *This* book is entertaining, although annoying at times trying to figure out who's talking. I'm silent on whether I believe Monroe's fantastic stories. But if you're okay with that risk, I'd recommend this for both entertainment & perhaps to help unleash some creativity in your self.
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Reviewed in the United States on August 27, 2024
★★★★★ 5
Changed forever
Format: Kindle
We become so mired in our subjective “reality”. I find it truly beneficial to have a different, perhaps more objective perspective. I hope this enables me to make necessary changes to my journey before its conclusion.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Enlightening!
Format: Paperback
A history of Monroe's discoveries and seminars
I took his seminars in the 1993-4 periods
Excellent beyond my expectations
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Reviewed in the United States on April 3, 2025
★★★★★ 5
Excellent trilogy. This is book 2
Format: Paperback
Bob Monroe is an OG OBE G. Love this trilogy. If you can read, read this
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Reviewed in the United States on August 25, 2025