ARCO Marine Zeus A275L Transit Alternator with Terminal Block - Part 4032

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SKU: 4032

MPN: 4032

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Manufactures Part Number: 4032

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Truck Freight: No

Zeus A275L Transit Alternator with Terminal Block

High Output / High Amperage Alternator: The Highest Power Output in Its Class.

Features:


  • Replace your noisy generator!

  • 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

  • For maximum performance or lithium battery charging, use the ARCO Zeus Bluetooth Alternator Regulator

  • Mercedes requires the use of a clutch pulley on secondary alternators used on all Sprinter vans. For Mercedes Sprinter, please use our N62 with Clutch Pulley here

  • SAE J1171 Certified

  • Models are available with internal/external voltage regulators

  • Proudly made in the U.S.A.

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 (IE) or External Only (EX)

  • 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: 110C / 230F


The ARCO Marine Zeus A275L Transit Alternator is engineered for high performance and reliability, making it the perfect solution for your marine, RV, military, or commercial power needs. This high output alternator is designed to replace noisy generators while providing superior energy production. Rapidly charge large battery banks with ease, thanks to its innovative design that optimizes performance even at idle speeds.

Featuring advanced heat-shedding coatings and dual cooling fans, the A275L operates at cooler temperatures, ensuring enhanced durability and maximum amperage output. With options for internal or external voltage regulation, this alternator is adaptable to a variety of applications. For those looking to maximize performance, consider pairing it with the ARCO Zeus Bluetooth Alternator Regulator, especially for lithium battery charging. Proudly made in the U.S.A., the Zeus A275L is SAE J1171 certified for your peace of mind.

Features:
* High Output / High Amperage Alternator: The highest power output in its class.
* Engineered for high energy production, replacing noisy generators.
* Rapidly charges large battery banks for efficient energy use.
* Optimized for performance at idle speeds, reducing reliance on generators.
* Heat-shedding coatings and dual cooling fans for cooler operation.
* Available with internal/external voltage regulators for flexibility.
* Ideal for marine, RV, military, and commercial applications.
* s E-Coat/Cerakote finish for enhanced durability and heat management.

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Most Asked Questions

Most orders ship within 1–2 business days. Delivery times depend on your location and carrier, but you’ll receive tracking as soon as your order ships.

Free shipping is available on eligible orders. Shipping options and costs are shown at checkout.

Yes. Certain large or heavy items may ship via truck freight. If truck freight applies, it will be clearly noted on the product page.

We accept returns on unused items within the specified return window. Please see our Returns Policy for full details.

Many products include manufacturer instructions. If you need help, our support team is happy to assist.