ARCO Marine Zeus A275L 3.15 Alternator with Case Ground and Terminal Block

The ARCO Marine Zeus A275L 3.15 Alternator is engineered for high-energy production, providing a high power output in a compact frame size. Designed for marine, RV, military, and commercial applications, this 12V alternator is optimized to charge large battery banks efficiently, even at idle speeds.

Key Features:

• Engineered for marine use with SAE J1171 certification.
• Features heat-shedding E-Coat/Cerakote finish and dual cooling fans to maintain lower operating temperatures.
• Includes a 6-groove, 49mm pulley and required mounting hardware.
• Rectifier is mounted on the exterior of the housing for improved thermal management.
• Supports optional external regulation for lithium battery charging via the ARCO Zeus Bluetooth Regulator.
• Provides 311 Amps max cold output at 9,000 RPM, 227 Amps sustained cruising output, and 198 Amps sustained idle output.
• Proudly made in the U.S.A.

Mounting Application:
This alternator is specifically designed for Yanmar Common Rail engines introduced after 2013, including JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, and 4JH110 models.