ARCO 12V 55A Universal Alternator, Single Groove Pulley

The ARCO Premium Replacement Alternator (Yamaha, Marine Power, and Crusader engines) is engineered for performance and reliability. It is designed for boaters who want a direct replacement manufactured with precision and quality, meeting or exceeding OEM performance before being boxed.

This alternator fits Yamaha, Marine Power, and Crusader engines, rated 12V/55A, with an internal regulator, 1-inch mounting foot with 3-ear adjustment, and single groove pulley included. Backed by ARCO's warranty against defects in materials and workmanship for 12 months of leisure use (90 days for commercial or racing applications), with an extra year available by registering within 30 days of purchase at arcomarine.com/product-registration. Browse more options in our alternators and charging hardware category.

Key Features

• 12V/55A
• an internal regulator
• and single groove pulley included
• meets/exceeds OEM performance
• 12-month warranty
• Fit: Yamaha, Marine Power, Crusader
• Terminals: Tachometer, Indicator Light, Remote Battery Sensing, Excite
• Pulley: Single Groove, Included
• Weight: 11.21 lb

Frequently Asked Questions

What engines does this alternator fit? Yamaha, Marine Power, and Crusader engines.

How long is this alternator's warranty? 12 months for leisure use, 90 days for commercial or racing use, with an extra year available by registering within 30 days.

Does this alternator meet OEM standards? Yes, every unit must meet or exceed OEM performance before being boxed.