A275L-12-TR-IE-49K6 - Arco Marine Zeus A275L Transit Alternator | Aztek Computers
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SKU: FUGSDUNS1S |  Mfg. Part: A275L-12-TR-IE-49K6  | UPC: 695845635397  |  0 Reviews  |     Share Make an offer

A275L-12-TR-IE-49K6 - Arco Marine Zeus A275L Transit Alternator & Regulator

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$752.64  $1,016.06
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Product Overview

ARCO Marine Zeus A275L Transit Alternator with Regulator

The Zeus A275L is the highest power output alternator in its class, designed for maximum energy production in various applications.

Key Features:

  • Engineered for high energy production.
  • Ideal for marine, RV, military, and commercial sectors.
  • Rapidly charges large battery banks with efficiency.
  • Operates at cooler temperatures, running 8 - 20% cooler than typical alternators due to:
  • Effective heat shedding coatings.
  • Externally mounted rectifier for enhanced cooling.
  • Dual cooling fans for improved performance.
  • Utilizes OEM components for reliability.
  • Optimized for performance at idle speeds, reducing the necessity for a generator.
  • Advanced E-Coat/Cerakote plating for less heat absorption, allowing for higher amperage.
  • Compatible with ARCO Zeus Bluetooth regulator for enhanced functionality and lithium battery charging.
  • SAE J1171 certified for marine safety standards.
  • Proudly made in the U.S.A.

Expert Overview

The ARCO Marine Zeus A275L Transit Alternator with Regulator is a 12v, large frame alternator designed for high energy production across various applications. This unit is suitable for marine, RV, military, and commercial sectors requiring efficient charging of large battery banks. Key features include an externally mounted rectifier and dual cooling fans, contributing to operational temperatures 8-20% cooler than typical alternators. The A275L-12-TR-IE-49K6 is optimized for performance at idle speeds, providing a sustained output of 198 Amps at 3,000 RPM when hot. It utilizes OEM components for reliability and features E-Coat/Cerakote plating for heat management. Compatibility includes Ford Transit 3.5L and 3.7L Gas engines from 2015-2022, replacing their alternators. The alternator is SAE J1171 certified for marine safety standards and is 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 (adapter included)
  • 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 with washer included
  • Diodes: 6 positive, 6 negative, 50A rated
  • 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 Ford Transit alternators 3.5L & 3.7L Gas engines 2015-2022

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • ARCO Marine
  • A275L-12-TR-IE-49K6
  • B0GJFRGSKS
  • 695845635397
  • New
  • 16.5 lbs
  • 11 X 9 X 10
  • Aug 14, 2026
  • Jun 11, 2024
Product Identifiers: Brand: Arco Marine • Part #: A275L-12-TR-IE-49K6 • UPC: 695845635397 • ASIN: B0GJFRGSKS

Frequently Asked Questions

What is included with the alternator?

The alternator includes an internal/external regulation adapter, a standard 49K6 (6-groove, 49mm) pulley, and M17 x 1.5 x 24mm nut with washer for pulley hardware.

What is the maximum power output of this alternator?

The maximum output is 311 Amps when cold at 9,000 RPM. Sustained cruising output is 227 Amps (hot, 6,000 RPM), and sustained idle output is 198 Amps (hot, 3,000 RPM).

Can this alternator be used with lithium batteries?

Yes, it is compatible with the ARCO Zeus Bluetooth regulator for enhanced functionality, including lithium battery charging.

A275L-12-TR-IE-49K6 - Arco Marine Zeus A275L Transit Alternator & Regulator

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$752.64