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Arco Starting & Charging 4033 Zeus A275L Vortec Marine 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

4033
06/21/2036 7:53 AM
Sale Price

$915.06

2 left at this price

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Usually delivered within 2 days

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Product Details

The Arco Zeus A275L Vortec Alternator delivers exceptional power output in a compact design, engineered specifically for marine, RV, military, and commercial applications. This high-performance 275-amp alternator rapidly charges large battery banks while maintaining the coolest operating temperatures in its class, running 8-20% cooler than competing alternators.

Key Features:

  • Maximum output of 311 amps (cold, 9,000 RPM) with sustained cruising output of 227 amps
  • Optimized for excellent performance at idle speeds - 198 amps sustained at 3,000 RPM
  • Advanced thermal management with heat-shedding Cerakote or E-coat finish, external rectifier placement, and dual cooling fans
  • External regulation only - includes terminal block and P-Type harness (external regulator required)
  • Compatible with Arco Zeus Bluetooth alternator regulator for maximum performance and lithium battery charging
  • SAE J1171 certified and Made in the USA

Technical Specifications:

  • Voltage: 12V with 14.1V output (default)
  • Field Type: P-Type (external regulation)
  • Stator: 138mm, 16 rotor poles
  • Weight: 14.9 lbs (6.7 kg)
  • Cut-in RPM: 1,061 alternator RPM
  • Maximum RPM: 19,000
  • Pulley: 49K6 (6-groove, 49mm) on 17mm diameter shaft
  • Diodes: 6 positive, 6 negative, 50A rated avalanche
  • Maximum continuous operating temperature: 230°F (110°C)
  • Battery post: M8 thread, side mount

Mounting Application:

  • Direct replacement for Mando-type alternators using Vortec/GM pad mounting feet
  • Compatible with many Mercruiser and Volvo Penta marine engines including 3.0GLM, 3.0GLP, 4.3GXi, 5.7GiL, and 5.7GXiL models on GM blocks

This premium alternator reduces or eliminates the need for a generator by creating substantial additional power directly from your engine, making it ideal for vessels with high electrical demands.

went great

may shop again

Easy to use and good pricing.

You had the item I needed and at a very favorable price compared to other marine retailers I had used in the past. Finally shipping was excellent !! Thank you!

Very satisfied

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