- Voltage: 12 volts (standard for marine electrical systems)
- Amperage: Variously reported as 65 amps or 68 amps. Refer to specific applications or product details for confirmation.
- Design:
- Three-wire design (might require additional wiring modifications compared to one-wire alternators)
- Includes a fan and drive pulley for complete installation
- Built with durable materials to withstand harsh marine environments
- Applications: Compatible with various Mercruiser Stern Drive models (refer to compatibility information below for details)
- Replaces Part Numbers:
- Mercury Marine: 69729 (and possibly others)
- Consult your boat's manual: This will list the original equipment manufacturer (OEM) alternator part number for your Mercruiser Stern Drive.
- Check Sierra Marine's parts finder tool: Look up compatible parts based on your engine model and year on Sierra's website:
https://catalog.sierraparts.com/ - Contact Sierra Marine or a marine parts specialist: They can definitively confirm compatibility based on your boat's specifics.
- Reliable performance: Delivers sufficient amperage to meet your boat's electrical needs.
- Durable construction: Built to last in saltwater environments.
- Cost-effective solution: Offers a reliable alternative to OEM alternators at a competitive price point.
- Complete solution: Includes a fan and pulley for a straightforward installation (though wiring might require adjustments).
The Sierra 18-5957 alternator is a popular replacement part specifically designed for Mercruiser Stern Drives. It offers a reliable and cost-effective solution to upgrade your boat's electrical system and ensure your battery stays charged. Here's a comprehensive breakdown of the Sierra 18-5957 alternator:
Key Features:
Compatibility:
It's crucial to verify exact compatibility with your specific Mercruiser Stern Drive model before purchasing the Sierra 18-5957 alternator. Here's how to ensure a perfect fit:
Advantages of Sierra 18-5957 Alternator:
Shop with Confidence at The Boat Pro!
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