Feel free to reach out to us!
Find quick answers to common questions
Hurry up! Only 3 left
Your payment is secure. We don’t store or see your card details.
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.
Features:
Warranty Information:
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
Replaces:
CRUSADER Alternator 39200
WESTERBEKE Alternator 39790
YAMAHA Alternator 19-1400-10
SIERRA Alternator 18-6843
Specifications:
Warranty
This product is backed by a 12-month limited warranty, covering defects in materials and workmanship under normal use.
Technical Assistance
Our dedicated support team is available to assist with product setup, operation guidance, and troubleshooting. Contact us via email or phone for prompt service.
Documentation & Downloads
Access essential resources including the user manual, technical specifications, and safety instructions in our online support center.
Replacement Parts & Accessories
We offer a full range of genuine replacement parts, including batteries, chargers, and compatible accessories to ensure long-term performance.
Training & Tutorials
Browse our library of how-to videos and maintenance tips to get the most out of your cordless drill.
Find quick answers to common questions
Yes, all our tools are engineered for heavy-duty performance and long-term reliability.
Yes, our tools are designed with safety features and easy handling in mind.
Yes, they are tested to perform reliably in demanding environments.
Regular cleaning and proper storage are usually enough to keep your tools in top condition.
Yes, we provide compatible parts and add-ons to extend the life of your tools.
Every tool comes with a detailed user manual, and digital guides are available online.
Every KRANK tool includes a 1-year warranty, with extended options available on select products.
You can register online using your product serial number for faster support.
It includes defects in materials and workmanship under normal use conditions.
Yes, extended warranty plans are available for select tools at checkout.
Orders ship within 24 hours, and delivery typically takes 3–5 business days.
Yes, KRANK provides special pricing and packages for business or team orders.
You can reach our support team by email or phone — we’re here to assist you.
Feel free to reach out to us!
You may also like
Last seen items
Main Store
Get the latest Marine drops, exclusive offers, and pro tips, straight to your inbox.