ARCO Marine Zeus A275L Transit Alternator w/Regulator [A275L-12-TR-IE-49K6]

Zeus A275L Transit Alternator with Regulator

Get the highest power output alternator in its size and class! This alternator is engineered for high - energy production and is suitable for marine, RV, military, and commercial uses. It can rapidly charge large battery banks, which is a huge plus for those with power - hungry setups.

Features:

• Designed to produce high energy.
• Versatile for various applications like marine, RV, military, and commercial.
• Quickly charges large battery banks.
• Operates at cooler temperatures, running 8 - 20% cooler than other alternators. Thanks to heat - shedding coatings, an exterior - located rectifier, dual cooling fans, and OEM components.
• Optimized for performance at idle speeds.
• Creates additional power with your engine, reducing the need for a generator.
• With E - Coat/Cerakote, it absorbs less heat, keeping the A275L cooler and providing more amperage for longer.
• Use an ARCO Zeus Bluetooth alternator regulator for top - notch performance or lithium battery charging.
• SAE J1171 Certified and proudly made in the U.S.A.

Technical Specifications:

• 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 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)
• 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 Application:

• Replaces Ford Transit alternators 3.5L & 3.7L Gas engines 2015 - 2022

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 the ARCO Marine Zeus A275L Transit Alternator is straightforward. First, make sure to install it in place of your old alternator, following the mounting application details for replacing Ford Transit alternators on 3.5L and 3.7L Gas engines from 2015 - 2022. When it comes to power, this alternator can handle different RPM levels and provide great output, whether you're at idle or cruising. If you want maximum performance or to charge lithium batteries, use the ARCO Zeus Bluetooth alternator regulator. As for maintenance, keep an eye on the operating temperature. Since it runs cooler than other alternators, it's generally reliable, but if it starts getting too hot (above 110°C or 230°F), there might be an issue. Also, check the pulley and its hardware regularly to make sure everything is tightened properly. And remember, if you have any problems, don't return it to the place you bought it from. Instead, contact the manufacturer directly.