ARCO Marine Premium Replacement Universal Alternator w/Single Groove Pulley - 12V 55A 
Premium Replacement Universal Alternator with Single Groove Pulley - 12V 55A
Replacement alternator that will fit Yamaha, Marine Power, Crusader, Replaces Motorola, 12 Volt, 55 Amp, Internal regulator Includes: Tachometer terminal, indicator light terminal, remote battery sensing terminal, excite terminal, 1-inch mounting foot with 3-ear adjustment, Single groove pulley included.
- All alternators are engineered for performance and reliability
- All alternators are engineered and manufactured with precision and quality
- All alternators must meet or exceed OEM performance before being boxed
When properly installed, all ARCO products are warrantied against defects in materials and workmanship for a period of 12 months for leisure use and 90 days for commercial or racing applications.
Add an extra year of warranty to your rotating electric ARCO product (Tilt/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting arcomarine.com/product-registration
CRUSADER Alternator 39200
WESTERBEKE Alternator 39790
YAMAHA Alternator 19-1400-10
SIERRA Alternator 18-6843
Quick Guide (pdf)