Description
ARCO Marine 12V 55A Alternator w/Pulley | Boat Supply Store
Maintain optimal battery charge and system power with this ARCO Marine Premium Replacement Alternator designed for late model Mercruiser applications. It delivers a robust 55A output at 12V, ensuring sufficient electrical current for onboard systems, and features a 2-inch mounting foot for precise integration. The included multi-groove serpentine pulley is engineered for reliable belt engagement, a critical factor for consistent charging performance in demanding marine environments.
Key Features
- Reliable 12 Volt, 55 Amp output for consistent power delivery.
- Integrated internal regulator simplifies installation and operation.
- Precise 2-inch mounting foot ensures direct fitment for specific applications.
- Efficient multi-groove serpentine pulley included for optimal belt contact.
- Engineered for superior performance and long-term reliability.
- Guaranteed to meet or exceed OEM performance standards.
- Comprehensive 12-month warranty for recreational use.
- Optional extended warranty available to safeguard your investment.
Specifications
| Product Specifications | |
|---|---|
| Voltage | 12V |
| Amperage | 55A |
| Regulator Type | Internal |
| Mounting Foot Length | 2-inch |
| Pulley Type | Multi-groove serpentine |
| Replaces MERCURY | 807652T |
| Replaces SIERRA | 18-5967 |
Who This Is For
Boat owners with Mercruiser engines specifically requiring a 12V 55A replacement alternator. This unit is ideal for those needing a direct-fit solution with a multi-groove serpentine pulley to ensure proper belt drive functionality.
How It Compares
| Feature | ARCO Marine 12V 55A Alternator w/Pulley | Competitor |
|---|---|---|
| Voltage | 12V | 12V, 12V |
| Amperage | 55A | 55A, 60A |
| Pulley Type | Multi-groove Serpentine | Multi-groove, Serpentine |
| Mounting Foot | 2-inch | Varies (check specific application), Varies |
| Internal Regulator | Yes | Yes, Yes |
| Replaces Mercury Part | 807652T | N/A, N/A |
| Replaces Sierra Part | 18-5967 | 18-5967, N/A |
Common Concerns Answered
How can I be sure this alternator fits my specific Mercruiser engine?
This ARCO Marine alternator is engineered as a direct fit for late model Mercruiser applications and replaces OEM part numbers MERCURY 807652T and SIERRA 18-5967. Always verify your existing alternator's specifications and OEM part number against this product's detailed specs and cross-references to ensure precise compatibility.
I've had issues with marine parts arriving damaged. How is this packaged?
While occasional packaging issues during shipping have been noted, ARCO Marine prioritizes product integrity. We recommend inspecting the product upon arrival and contacting customer support immediately if any damage is detected.
Is the price higher than generic alternatives? Why?
This unit is a premium replacement with engineered quality that meets or exceeds OEM standards, featuring a specific multi-groove serpentine pulley and direct-fit design for Mercruiser engines. The investment reflects its superior construction, reliability, and comprehensive warranty, ensuring long-term performance and value on the water.
Frequently Asked Questions
What is the amperage output of the ARCO Marine Premium Replacement Alternator?
The ARCO Marine Premium Replacement Alternator provides a significant 55 Amp output.
What type of pulley is included with this alternator?
This alternator comes equipped with a multi-groove serpentine pulley for optimal belt engagement and performance.
Is this alternator directly compatible with Mercruiser engines?
Yes, this ARCO Marine alternator is designed for a direct fit on late model Mercruiser applications.
What is the standard warranty period for this ARCO Marine alternator?
The standard warranty is 12 months for leisure use and 90 days for commercial or racing applications.
What are the specific OEM part numbers that this alternator replaces?
This alternator replaces MERCURY part number 807652T and SIERRA part number 18-5967.