ARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley Regulator [A275L-12-N62-IE-50K6CP]

Zeus A275L N62 Alternator: Your Top - Tier Power Choice

Get the highest power output alternator in its size and class. It's engineered for high energy production, making it perfect for marine, RV, military, and commercial use.

Key Features:

• Charge large battery banks quickly.
• Operate at cooler temperatures, running 8 - 20% cooler than other alternators thanks to heat - shedding coatings, exterior - located rectifier, dual cooling fans, and OEM components.
• Perform great at idle speeds, reducing the need for a generator by creating extra power with your engine.
• Reach peak performance with E - Coat/Cerakote. Our advanced coating keeps the A275L cooler, delivering more amperage over time.
• Pair with an ARCO Zeus Bluetooth alternator regulator for top - notch performance or lithium battery charging.
• It's SAE J1171 Certified and proudly made in the U.S.A.

Technical Details:

• Voltage: 12v
• Field Type: P
• 16 Rotor Poles
• 138mm Stator Size
• Large Frame Size
• 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 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, w/ 18mm ID x 29mm OD washer (Included)
• 6 positive, 6 negative, 50A Rated, Avalanche Diodes
• 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:

• Replaces Mercedes Sprinter 1999 - 2006 alternators, Mercedes Sprinter Factory dual alternator 2007 - Up, and Roadtrek Mercedes Dual alternator

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)

Using your ARCO Marine Zeus A275L N62 Alternator is easy. First, make sure your engine is turned off before installing the alternator. Check that the mounting application matches your vehicle, like a Mercedes Sprinter from 1999 - 2006 or the factory dual alternator models from 2007 onwards. Connect the battery post to your battery properly, following the wiring instructions. If you want to get the most out of it, consider using an ARCO Zeus Bluetooth alternator regulator. When your engine is running, the alternator will start charging your battery. It's designed to work well even at idle speeds. As for maintenance, keep an eye on the operating temperature. Since it runs cooler than other alternators, that's a great sign, but if you notice it getting too hot (over 110°C / 230°F), there might be an issue. Check the heat - shedding coatings, the rectifier on the housing exterior, and the dual cooling fans regularly to make sure they're in good condition. Also, look at the diodes to ensure they're functioning properly. If you face any problems, don't return it to the place you bought it from. Instead, contact the manufacturer directly.