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Arco Starting & Charging A275L-12-TR-IE-49K6 Zeus A275L Transit Alternator 275A 12V

Manufacturer

Arco Starting & Charging

<h3>Nearly Six Decades of Marine Electrical Excellence</h3><p>ARCO Starting & Charging has been the trusted name in marine electrical components for nearly 60 years, setting the gold standard for OEM-quality replacement parts. Operating from their Florida facility, ARCO manufactures, tests, and warehouses every component in the USA, ensuring rigorous quality control before any part leaves their 100,000-square-foot production center. What sets ARCO apart from competitors is their commitment to testing every unit beyond normal operating conditions, using state-of-the-art computerized assembly lines and automated digital load testers to verify performance specifications.</p><p>The company's dedication to proven dependability has earned them a reputation among marine mechanics, boat owners, and commercial operators who demand reliability in challenging saltwater environments. ARCO products consistently meet or exceed OEM specifications, backed by their comprehensive warranty program that demonstrates confidence in their manufacturing processes. Their engineering team comprises industry veterans with decades of experience in rotating electrical components, providing technical expertise that translates into innovative product solutions.</p><h3>Comprehensive Marine Starting & Charging Solutions</h3><p>ARCO's product lineup addresses every aspect of marine electrical systems. Their <a href="/7236-arco-starting-charging-tilttrim-motors-201071">tilt/trim motors</a> deliver precise control for outboard and stern drive positioning, featuring corrosion-resistant construction and reliable performance in harsh marine conditions. The company's <a href="/7236-arco-starting-charging-starters-inboard-201008">inboard starters</a> and <a href="/7236-arco-starting-charging-starters-outboard-201009">outboard starters</a> utilize high-performance permanent magnet gear reduction technology, ensuring powerful cranking even in cold-start situations. Whether you're maintaining a fishing boat, pleasure craft, or commercial vessel, ARCO's extensive application catalog covers major engine manufacturers including Mercury, Yamaha, Volvo Penta, MerCruiser, and OMC.</p><p>Beyond their traditional marine engine components, ARCO has expanded into high-energy charging solutions through their Zeus product line, which includes high-output alternators in 12V, 24V, and 48V configurations, along with Bluetooth-enabled voltage regulators. This innovation addresses the growing electrical demands of modern boats equipped with electronics, navigation systems, and house battery banks. ARCO's commitment to manufacturing in America means faster availability, with over six months of inventory typically in stock, and direct technical support from the engineers who design and build their products.</p>

Part Number

A275L-12-TR-IE-49K6
07/13/2036 12:28 AM
Sale Price

$771.04

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Product Details

The Arco Zeus A275L Transit Alternator delivers the highest power output in its size class, engineered specifically for demanding marine, RV, military, and commercial applications. This premium 12-volt alternator features advanced thermal management technology that keeps operating temperatures 8-20% cooler than conventional alternators, enabling sustained high-amperage output even under extreme conditions.

Advanced Cooling Technology:

  • Proprietary heat-shedding Cerakote or E-coat finish absorbs less heat for maximum performance
  • Externally mounted rectifier improves heat dissipation
  • Dual cooling fans maintain optimal operating temperatures
  • Maximum continuous operating temperature of 230°F (110°C)

High-Output Performance:

  • 311 amps maximum output at 9,000 RPM (cold)
  • 227 amps sustained cruising output at 6,000 RPM (hot)
  • 198 amps sustained idle output at 3,000 RPM (hot)
  • Optimized for performance at idle speeds with 1,061 RPM cut-in
  • Rapidly charges large battery banks, reducing the need for a generator

Technical Specifications:

  • Voltage: 12V with 14.1V default output
  • Regulation: Internal/External with adaptor for optional external regulation
  • Stator: 138mm, 16-pole rotor design
  • Diodes: Six positive, six negative, 50A rated avalanche type
  • Pulley: 49K6 (6-groove, 49mm) on 17mm diameter shaft
  • Battery Post: M8 threaded post, side mount
  • Maximum alternator RPM: 19,000
  • Weight: 14.9 lbs

Application & Compatibility:

  • Direct replacement for Ford Transit 3.5L and 3.7L gas engines (2015-2022)
  • Compatible with ARCO Zeus Bluetooth alternator regulator for maximum performance
  • Suitable for lithium battery charging applications
  • SAE J1171 Certified
  • Made in the USA with OEM components

This alternator includes pulley hardware: M17 x 1.5 x 24mm nut with 18mm ID x 29mm OD washer. The internal/external regulation capability allows for flexible installation with optional external voltage regulators for advanced battery management systems.

Great, on time delivery

Great transaction. As advertised. Quick s/h

very good

Everything was smooth no problem will do more business with boatplicity.

I'm a 60 year old man refitting a 50 year old sailboat. I'm sure our paths will cross again.

So far so good

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