Description
ARCO Marine 12V 70A Alternator w/Pulley | Boat Supply Store
This ARCO Marine alternator provides a crucial 12V, 70A output to ensure consistent electrical system performance for your vessel. Featuring a self-exciting design and built-in ignition protection screens, it mitigates risk in potentially hazardous engine compartments, a critical factor for offshore fishing expeditions. The integrated internal regulator maintains optimal charging parameters, meeting or exceeding OEM specifications for reliable power delivery to your vessel's batteries and accessories.
Key Features
- Reliable 12 Volt, 70 Amp output for robust charging.
- Direct Fit Single groove pulley included for straightforward installation.
- Self-Exciting design simplifies wiring and operation.
- Ignition Protected screens enhance safety in engine environments.
- Integrated internal regulator ensures optimal performance.
- Universal negative ground and 1-wire connection.
- Compact 2-inch mounting foot for versatile placement.
- Guaranteed to meet or exceed OEM performance standards.
Specifications
| Product Specifications | |
|---|---|
| Voltage | 12V |
| Amperage | 70A |
| Pulley Type | Single Groove |
| Excitation | Self-exciting |
| Ignition Protection | Screens |
| Regulator | Internal |
| Ground | Negative |
| Connection Type | 1-wire |
| Mounting Foot Size | 2-inch |
| Replaces Mercury | 32701, 47456A1, 56045, 59755, 69729 |
| Replaces Sierra | 18-5950 |
Who This Is For
Marine enthusiasts and boat owners with Mercruiser or BRP-OMC engines needing a dependable 12V 70A replacement alternator. Ideal for those seeking a direct-fit electrical upgrade with built-in safety features.
How It Compares
| Feature | ARCO Marine 12V 70A Alternator w/Pulley | Competitor |
|---|---|---|
| Amperage | 70A | 70A |
| Voltage | 12V | 12V |
| Pulley Type | Single Groove | Single Groove |
| Connection Type | 1-wire | 1-wire |
| Ground | Negative | Negative |
| Ignition Protection | Yes | Yes |
| Internal Regulator | Yes | Yes |
Common Concerns Answered
Is it difficult to find which specific engine model this alternator fits?
While direct cross-referencing is recommended for optimal compatibility, this ARCO Marine alternator is designed as a premium replacement for specified Mercruiser and BRP-OMC engines, and its technical specifications are clearly listed to aid in fitment verification.
Could I encounter issues with the pulley size not matching my existing belt?
This alternator includes a single groove pulley; it is crucial to verify that the groove profile and diameter are compatible with your existing serpentine or V-belt system to ensure proper engagement and prevent slippage or premature belt wear.
Are there any concerns about this alternator's compatibility with my specific engine model?
This ARCO Marine alternator is engineered to meet or exceed OEM specifications for Mercruiser and BRP-OMC applications. Verifying the listed OEM part numbers it replaces against your engine's original component will confirm precise fitment.
Frequently Asked Questions
What is the amperage of the ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V 70A?
The ARCO Marine Premium Replacement Alternator provides a robust 70A output.
What voltage is this ARCO Marine alternator designed for?
This ARCO Marine alternator is designed for a 12V electrical system.
Does this alternator have an internal regulator?
Yes, this ARCO Marine alternator features an internal regulator for efficient voltage control.
What type of pulley is included with this alternator?
A single groove pulley is included with this ARCO Marine alternator.
What marine engine brands is this ARCO Marine alternator compatible with?
This ARCO Marine alternator is compatible with Mercruiser and BRP-OMC engines.
