Arco Starting & Charging 20815 Inboard Alternator 12V 70A

The Arco Starting & Charging 20815 is a high-quality OE replacement alternator designed for marine inboard applications. This 12-volt alternator delivers 70 amps of reliable charging power to keep your marine electrical system running smoothly on the water.

Key Features:

• 12-volt output with 70-amp charging capacity
• Multi-groove serpentine belt drive with 55mm pulley
• Internal voltage regulator for simplified installation
• Internal cooling fan for efficient heat dissipation
• Clockwise or counterclockwise rotation capability
• M6 positive output terminal
• 12:00 o'clock plug position

Engineered specifically for MerCruiser marine engines ranging from 4.3L to 6.2L, this alternator provides OE-quality performance and reliability. The versatile design accommodates both clockwise and counterclockwise rotation, making it compatible with various engine configurations. The internal regulator and fan simplify installation and ensure consistent charging performance in demanding marine environments.