Upgrade your marine charging system with the ARCO 20102 alternator featuring 70A output, self-exciting operation, and internal voltage regulation.
10 in stock
10 in stock
The ARCO Marine 20102 Alternator is a premium 12-volt marine charging unit delivering 70 amps of output for MerCruiser and BRP/OMC engine applications. It features self-exciting operation, an internal regulator, ignition protection screens, and a single-groove pulley designed for reliable charging performance in marine environments. || Ideal for recreational and fishing boats equipped with onboard electronics, lighting systems, and battery charging demands, the 20102 provides consistent electrical output while simplifying installation through its 1-wire connection design. The negative-ground configuration supports compatibility with common marine electrical systems. || Manufactured to meet or exceed OEM specifications, this alternator replaces several Mercury and Sierra models while maintaining factory-style fitment. The included pulley and 2-inch mounting foot streamline installation, making the 20102 a dependable replacement for aging marine charging systems.
| Brand | ARCO Marine |
|---|---|
| Model | 20102 |
| MPN | 20102 |
| Product Type | Alternator |
| Material | Metal Housing |
| Finish Color | Natural metal |
| Dimensions | Not Published |
| Weight (lb) | Not Published |
| Load Capacity | 70 Amp |
| Drawer Count | Not Published |
| Drawer Type | Not Published |
| Lock Type | Not Published |
| Mount Type | 2 inch foot |
| Installation | Direct replacement |
| Compatibility | MerCruiser BRP OMC |
| Use Case | Marine Charging |
| Warranty | 1 Year Limited |
| Country of Origin | United States |
| Series | OEM Replacement |
| UPC | 693006001128 |
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