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Arco Starting & Charging A275L-12-N62-IE-50K6CP Zeus A275L High-Output Marine Alternator with Clutch Pulley

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Arco Starting & Charging

<h3>ARCO Starting &amp; Charging: The Marine Industry&apos;s Gold Standard</h3><p>When a boater turns the key and nothing happens miles from the dock, the name they wish they had trusted is <strong>ARCO Marine</strong>. For more than six decades, ARCO Starting &amp; Charging has been the benchmark for dependable marine engine electrical components — building and testing every unit at their facility in Pensacola, Florida to ensure each part meets or exceeds original equipment manufacturer (OEM) specifications before it ever reaches a customer.</p><p>Founded in 1960, ARCO set out with a straightforward mission: deliver peace of mind to boat owners and marine technicians through products they can rely on. That philosophy hasn&apos;t changed. Every component ARCO manufactures — from outboard <a href="/7236-arco-starting-charging-starter-motor-4152">starter motors</a> to high-output alternators — is rigorously load-tested beyond normal operating conditions. It&apos;s the kind of commitment that has made ARCO the trusted choice of professional marine service technicians and weekend boaters alike for generations.</p><h3>Purpose-Built for the Harshest Marine Environments</h3><p>Saltwater, humidity, and vibration are relentless adversaries for any electrical component. ARCO engineers their products specifically for these conditions. Their <a href="/7236-arco-starting-charging-tilttrim-motors-201071">tilt/trim motors</a> and <a href="/7236-arco-starting-charging-trim-and-tilt-units-201108">trim and tilt units</a> are designed to perform reliably through years of saltwater exposure, while their <a href="/7236-arco-starting-charging-alternators-200087">alternators</a> — including the advanced Zeus High Output Alternator line — are purpose-built to charge modern battery banks faster and handle the electrical demands of today&apos;s feature-rich vessels. ARCO makes OEM replacement parts compatible with leading engine manufacturers including Mercury, Yamaha, Volvo Penta, MerCruiser, Honda, Evinrude, Suzuki, and many others, making cross-referencing straightforward for technicians and DIYers alike.</p><h3>Innovation with the Zeus High Energy Platform</h3><p>ARCO&apos;s Zeus line represents the brand&apos;s push into next-generation marine charging technology. Zeus High Output Alternators and Bluetooth-enabled voltage regulators are engineered for multi-voltage compatibility and rated IP68 for protection against water intrusion — a critical specification in marine applications. The Zeus ecosystem is purpose-built to support lithium battery banks, high-draw accessories, and demanding live-aboard or commercial use cases where consistent power output is non-negotiable.</p><h3>OEM Quality, Factory Warranty, American-Made</h3><p>ARCO backs their entire rotating electric parts lineup — including their <a href="/7236-arco-starting-charging-starters-inboard-201008">inboard starters</a> — with the ARCO Assurance warranty program, offering coverage against defects in materials and workmanship. Manufacturing, quality testing, warehousing, and fulfillment all take place in the United States, giving buyers confidence in consistent quality control from start to finish. For anyone maintaining a vessel and unwilling to compromise on reliability, ARCO Starting &amp; Charging remains the definitive choice in marine engine electrical components.</p>

Part Number

A275L-12-N62-IE-50K6CP
09/12/2036 6:27 AM
Sale Price

$771.04

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Product Details

The Arco Zeus A275L N62 is a high-performance 12-volt alternator engineered to deliver exceptional power output in a compact footprint. With a maximum cold output of 311 amps and sustained cruising output of 227 amps at 6,000 RPM, this alternator is purpose-built for marine, RV, military, and commercial applications requiring rapid charging of large battery banks.

Advanced Cooling Technology:

  • Runs 8-20% cooler than comparable alternators through heat-shedding Cerakote/E-coat finish
  • Externally mounted rectifier dissipates heat away from internal components
  • Dual cooling fans maximize airflow and reduce operating temperatures
  • Maximum continuous operating temperature: 230°F (110°C)

Performance Features:

  • Optimized for high output at idle speeds - delivers 198 amps sustained at 3,000 RPM
  • 138mm stator with 16-pole rotor for efficient power generation
  • 12 avalanche-rated diodes (6 positive, 6 negative) rated at 50A each
  • Internal/external regulation capability - includes adapter for optional external regulator
  • Compatible with ARCO Zeus Bluetooth regulators for lithium battery charging
  • SAE J1171 Certified for quality and reliability

Technical Specifications:

  • Voltage: 12V with 14.1V default output
  • Maximum alternator RPM: 19,000
  • Cut-in RPM: 1,061
  • Pulley: 49K6 (6-groove, 49mm) clutch pulley included
  • Shaft: 17mm diameter x 25mm long, threaded M17 x 1.5
  • Battery terminal: M8 threaded post, side mount
  • Weight: 14.9 lbs (6.7 kg)
  • Finish: Black Cerakote or E-coating

Application:

  • Direct replacement for Mercedes Sprinter alternators (1999-2006)
  • Compatible with Mercedes Sprinter factory dual alternator systems (2007-Up)
  • Replaces Roadtrek Mercedes dual alternator configurations

Proudly made in the USA, the Zeus A275L reduces or eliminates the need for a separate generator by maximizing power production from your engine. The included clutch pulley, mounting hardware (M17 x 1.5 x 24mm nut with washer), and internal regulator make this a complete, ready-to-install solution.

Note: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Very easy shopping experience for the parts I need

fast delivery, wish to get discount i forgot to place order for missing poles.

Great service

Received in timely manner as ordered. The product is as described. The cheapest Monroe reflex shocks for my Jeep in the entire internet. Very pleased. Many thanks.

Quick and easy and the parts were everything that was needed.

Very positive, i will buy from you again. Pete

thanks

Happy

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