ARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley Regulator

The Zeus A275L N62 Alternator with Clutch Pulley & Regulator is the ultimate power solution for marine and boating applications. Engineered to deliver the highest power output in its class, this alternator ensures your vessel’s electrical systems remain robust and reliable, even in demanding environments.

Features

• Engineered for exceptional energy production, ideal for marine and boating needs.
• Versatile application for marine, RV, military, and commercial use.
• Rapidly charges large battery banks, keeping your onboard systems fully powered.
• Operates at cooler temperatures, enhancing performance by running 8-20% cooler than standard alternators through:
  • Heat-shedding coatings
  • Exterior rectifier placement
  • Dual cooling fans
  • OEM-grade components
• Optimized performance at idle speeds, ensuring consistent power during low engine RPMs.
• Reduces reliance on generators by generating additional power directly from your engine.
• Enhanced durability with E-Coat/Cerakote finishes that absorb less heat, providing more amperage over sustained periods.
• Compatible with ARCO Zeus Bluetooth alternator regulators for seamless integration and lithium battery charging.
• SAE J1171 Certified for compliance and reliability.
• Proudly made in the U.S.A., ensuring quality and craftsmanship.

Technical Specifications

Specification	Details
Voltage	12V
Field Type	P
Rotor Poles	16
Stator Size	138mm
Frame Size	Large
Weight	14.9 lbs / 6.7 kg
Regulation	Internal/External (Internally regulated with adaptor for optional external regulation)
Output Voltage	14.1V (Default)
Finish	Black Cerakote or E-coating
Cut-In RPM	1,061 Alternator RPM
Maximum Alternator 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 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	110°C / 230°F

Mounting Applications

• Compatible with Mercedes Sprinter models 1999-2006 alternators.
• Replacement for Mercedes Sprinter Factory dual alternators (2007 and up).
• Replaces Roadtrek Mercedes Dual alternator, ensuring a perfect fit for your marine power needs.

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

Quick Guide (PDF)
Brochure (PDF)

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.