Sierra Alternator 18-5960

The Sierra 18-5960 is a premium replacement alternator specifically designed for Mercruiser Stern Drives. It's a reliable and cost-effective solution to upgrade your boat's electrical system and ensure your battery stays charged.

Here's a detailed breakdown of the Sierra 18-5960 alternator:

Key Features:

Amperage: 65 amps
Voltage: 12 volts
Design: Two-wire design for simplified installation (compared to multi-wire alternators)
Features:
Includes a serpentine pulley for easy compatibility
Internal voltage regulator
Built to withstand harsh marine environments
Applications: Compatible with various Mercruiser Stern Drive models (refer to compatibility information below)
Replaces Part Numbers:
Mercury Marine: 807653T (and possibly others)
Arco: 60060 (among others)
Compatibility:

While the Sierra 18-5960 is designed for Mercruiser Stern Drives, verifying exact compatibility with your specific model is crucial. Here's how:

Consult your boat's manual: This will provide a list of compatible parts for your Mercruiser Stern Drive, including the original equipment manufacturer (OEM) alternator part number.
Check the Sierra website: Sierra offers a parts finder tool on their website to help you find compatible parts based on your engine model and year. https://catalog.sierraparts.com/
Contact Mercruiser: They can definitively confirm if the 18-5960 is suitable for your Stern Drive.
Benefits of Sierra 18-5960:

Easy installation: The two-wire design simplifies the installation process compared to multi-wire alternators.
Reliable performance: Delivers 65 amps to ensure sufficient power for your boat's electrical needs.
Durable construction: Built with high-quality materials to withstand the corrosive effects of saltwater and weather.
Cost-effective: Provides a reliable alternative to OEM alternators at a competitive price point.