Description
ARCO Marine 12V 55A Inboard Alternator | Boat Supply Store
Ensure consistent battery charging for your inboard marine engine with this ARCO Marine premium replacement alternator. Engineered to meet or exceed OEM specifications, it delivers a robust 12V, 55A output, essential for powering onboard electronics and maintaining battery health in demanding saltwater environments. Featuring a 2-inch mounting foot and a single groove pulley, this unit is a direct-fit solution for O.M.C. Cobra, Prestolite/Motorola, and specific BRP-OMC or Volvo applications.
Key Features
- Direct-fit replacement engineered to meet or exceed OEM standards
- High output delivering 12 Volts and 55 Amps for reliable charging
- Internal regulator simplifies installation and eliminates external components
- Negative ground configuration for standard marine electrical systems
- Includes single groove pulley for immediate installation
- 2-inch mounting foot ensures compatibility with specified engine mounts
- 12-month warranty for leisure applications provides confidence
- Optional extended warranty available for enhanced long-term protection
Specifications
| Product Specifications | |
|---|---|
| Voltage | 12V |
| Amperage | 55A |
| Pulley Type | Single Groove |
| Regulator Type | Internal |
| Ground | Negative |
| Mounting Foot Size | 2-inch |
| Warranty (Leisure) | 12 months |
| Warranty (Commercial/Racing) | 90 days |
Who This Is For
Boat owners with inboard engines requiring a 12V, 55A alternator, particularly those with O.M.C. Cobra or Prestolite/Motorola systems. This unit is also ideal for owners seeking to replace specific BRP-OMC or Volvo alternators with a high-quality, direct-fit solution.
How It Compares
| Feature | ARCO Marine 12V 55A Inboard Alternator | Sierra 18 |
|---|---|---|
| Amperage | 55A | 55A |
| Voltage | 12V | 12V |
| Pulley Type | Single Groove | Single Groove |
| Regulator Type | Internal | Internal |
| Ground | Negative | Negative |
| Mounting Foot | 2-inch | 2-inch |
| Warranty (Leisure) | 12 months | 12 months |
| Extended Warranty Option | Yes (with registration) | No |
Common Concerns Answered
What is the return policy for this alternator?
This product cannot be returned to the original point of purchase. For warranty claims or product issues, direct contact with the manufacturer is required.
Are there any reported issues with this alternator?
While generally positive, there are occasional reports of premature failure. These instances are not widespread and are typically resolved through the manufacturer's warranty program.
Why can't I return it to BoatSupplyStore.com?
Certain marine electrical components require direct manufacturer support for warranty and technical issues to ensure specialized handling and resolution. Contacting ARCO Marine directly facilitates this process.
Frequently Asked Questions
What is the amperage of the ARCO Marine Premium Replacement Inboard Alternator?
This ARCO Marine alternator provides a 55 Amp output.
What is the voltage of this ARCO Marine alternator?
This alternator operates at 12 Volts.
Does this alternator have an internal or external regulator?
This alternator features an internal regulator for simplified installation and operation.
What type of pulley is included with this alternator?
A single groove pulley is included with this alternator.
What brands and models does this ARCO Marine alternator replace?
This alternator replaces numerous BRP-OMC and Volvo part numbers, and is a direct fit for O.M.C. Cobra and Prestolite/Motorola systems.
