Description
ARCO Marine Alternator 70A w/50mm Pulley | Boat Supply Store
Ensure consistent electrical system output for your vessel's critical components with this precision-engineered replacement alternator. Designed for Mercruiser 4.3L-6.2L applications, it delivers a robust 12 Volt, 70 AMP output and includes a 50mm multi-groove serpentine pulley for efficient belt drive. This unit meets or exceeds OEM specifications, providing a reliable power source for offshore fishing expeditions or coastal cruising.
Key Features
- Reliable premium replacement alternator engineered for demanding marine environments.
- Precision manufactured to meet or exceed OEM specifications for guaranteed fit and function.
- Includes a 50mm multi-groove serpentine pulley for optimal belt engagement.
- Powerful 12 Volt, 70 AMP output ensures sufficient charging capacity for onboard electronics.
- Efficient internal fan design promotes optimal cooling and longevity.
- Standard 12-month warranty for leisure use, offering peace of mind.
- Extended warranty option available upon product registration for enhanced protection.
- Direct replacement for numerous critical OEM part numbers.
Specifications
| Product Specifications | |
|---|---|
| Volt | 12 Volt |
| AMP | 70 AMP |
| Pulley Type | 50mm Multi-Groove Serpentine |
| Internal Fan | Yes |
| Engine Compatibility | Mercruiser 4.3L-6.2L |
| Replaces DELCO | 19020611, 19020612 |
| Replaces MERCURY | 863077T |
| Replaces PLEASURECRAFT | RA097007 |
| Replaces SIERRA | 18-6298 |
| Replaces PROTORQUE | PH300-0035M |
| Replaces PARTS ADR | 0298 |
| Standard Warranty | 12-month (leisure), 90-day (commercial/racing) |
Who This Is For
Boat owners and marine mechanics seeking a high-performance, direct-fit replacement alternator for specific Mercruiser 4.3L-6.2L engines. Ideal for those prioritizing long-term electrical system reliability and seeking the assurance of an optional extended warranty.
How It Compares
| Feature | ARCO Marine Alternator 70A w/50mm Pulley | Sierra Alternator |
|---|---|---|
| Amperage | 70 AMP | 70 AMP |
| Voltage | 12 Volt | 12 Volt |
| Pulley Type | 50mm Multi-Groove Serpentine | Multi-Groove |
| Extended Warranty Option | Yes (with registration) | No |
| Replaces DELCO 19020611 | Yes | Yes |
Common Concerns Answered
What is ARCO Marine's policy if I have an issue with this alternator?
In the event of an issue, direct contact with the manufacturer is required for resolution, as returns to the original point of purchase are not permitted.
Is this alternator compatible with all Mercruiser engines?
This specific ARCO Marine alternator is designed for Mercruiser engines ranging from 4.3L to 6.2L. Always verify your engine's specific requirements and compatible OEM part numbers before purchasing.
How difficult is it to install this alternator?
Installation is rated as Moderate (3/5), requiring basic marine mechanical and electrical knowledge. Proper wiring and secure mounting are critical for safe and efficient operation, and professional installation by a qualified marine technician is recommended for those unfamiliar with the process.
Frequently Asked Questions
What engines is this ARCO Marine Premium Replacement Alternator compatible with?
This alternator is engineered for Mercruiser engines from 4.3L to 6.2L.
What is the amperage and voltage of this alternator?
This unit provides a 12 Volt output at 70 AMP.
Does this alternator come with a pulley?
Yes, this ARCO Marine alternator includes a 50mm multi-groove serpentine pulley.
What is the warranty period for this ARCO Marine alternator?
It comes with a standard 12-month warranty for leisure use and a 90-day warranty for commercial or racing applications.
Can I extend the warranty on this alternator?
Yes, an optional extended warranty is available upon product registration.
