ARCO Marine Zeus A275L N62 Alternator w/Terminal Block

The Zeus A275L N62 Alternator with Terminal Block is the ultimate power solution for your marine and boating needs. Engineered to deliver exceptional energy output, this alternator ensures your vessel's electrical systems remain reliable and efficient, even under demanding conditions.

Key Features

• Unmatched Power Output: The highest power output alternator in its class, optimized for high energy production.
• Versatile Applications: Ideal for marine, RV, military, and commercial use.
• Rapid Battery Charging: Efficiently charges large battery banks, keeping your onboard systems powered.
• Advanced Cooling System: Operates 8-20% cooler than standard alternators thanks to:
  • Heat-shedding coatings
  • Externally mounted rectifier
  • Dual cooling fans
  • OEM-grade components
• Optimized for Idle Performance: Maintains high performance even at low engine speeds, perfect for marine applications where engines often run at idle.
• Generator Alternative: Reduces the need for a separate generator by providing additional power directly from your engine.
• Durable Coating: E-Coat/Cerakote finishes absorb less heat, allowing for sustained amperage and increased longevity.
• Smart Regulation: Compatible with ARCO Zeus Bluetooth alternator regulators for enhanced performance and efficient lithium battery charging.
• Certified Quality: SAE J1171 Certified and proudly made in the U.S.A., ensuring reliability and performance you can trust.

Technical Specifications

Voltage	12V
Field Type	P
Rotor Poles	16
Stator Size	138mm
Frame Size	Large
Weight	14.9 lbs / 6.7 kg
Regulation	External Only (Includes terminal block and P-Type harness. Requires an external regulator such as the ARCO Zeus Bluetooth alternator regulator.)
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 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

• Replaces most Mercedes and BMW alternators
• Compatible with Mercedes Sprinter 1999-2006 alternators
• Fits Mercedes Sprinter Factory dual alternator (2007 and Up) as a replacement

Additional Information

This product cannot be returned to the original point of purchase. For any issues or concerns, please contact the manufacturer directly.

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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.