ARCO Marine Premium Replacement Alternator w/65mm Multi-Groove Pulley - 12V 70A

Ensure your boat's electrical system runs efficiently with our Premium Replacement Alternator, specifically designed for Mercruiser engines from 4.3L to 8.2L (1998 and newer). This robust 12V 70A alternator features an internal fan and a 65mm multi-groove serpentine pulley, delivering reliable performance and longevity for all your marine adventures.

Key Features

• Engineered for superior performance and long-term reliability
• Manufactured with precision and high-quality materials
• Meets or exceeds OEM performance standards before packaging

Warranty Information

All ARCO products come with a warranty against defects in materials and workmanship for 12 months when used for leisure purposes and 90 days for commercial or racing applications, provided they are properly installed.

Extend your warranty by an additional year when you register your rotating electric ARCO product (including Tilt/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) within 30 days of purchase. Register your product at arcomarine.com/product-registration.

Compatibility

This alternator is a direct replacement for the following models:

• DELCO Alternator 19020601
• DELCO Alternator 19020609
• MERCURY Alternator 862031T
• MERCURY Alternator 862031T1
• Sierra Alternator 18-6293
• Protorque Alternator PH300-0034
• Protorque Alternator PH300-0035
• MPPARTS Alternator ADR0299
• MPPARTS Alternator ADR0316

Note: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Specifications

Additional Resources

Quick Guide (PDF)

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.