Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
ARCO Part #60050 ARCO NEW OEM Premium Replacement Alternator Fits: Late model Mercruiser, 12 Volt, 55 Amp, Internal regulator 2-inch mounting foot, Single groove pulley included. Replaces Part Numbers: MARINE POWER Alternator 1210-000 MERCURY Alternator 12449 MERCURY Alternator 78403A1 MERCURY Alternator 78403A2 MERCURY Alternator 817119A1 MERCURY Alternator 817119A4 MERCURY Alternator 92497A3 MERCURY Alternator 98555 MERCURY Alternator 98555A1SIERRA Alternator18-5957 SIERRA Alternator18-5966 CLICK HERE TO SPEAK WITH AN ARCO SPECIALIST THIS PART QUALIFIES FOR AN ADDITIONAL YEAR OF PARTS WARRANTY WHEN REGISTERED - CLICK HERE FOR DETAILS QUALITY ASSURANCE 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 ARCO ASSURANCE WARRANTY We believe that the best warranties are the ones you never have to use. However, if we determine an ARCO product to be defective under proper installation and utilization conditions, we are obl i gated to replace or repair the product or issue a refund of the purchase price. Should a customer endure additional labor costs for a professional installation, ARCO will reimburse said customer. We stand behind our product and its quality. ARCO Marine is a USA based manufacturer located in Pensacola FL. Established in 1960, we were pioneers in the O/E replacement parts segment and have a reputation synonymous with premium quality and part reliability. We over engineer our parts to exceed and outlast O/E standards, oftentimes engineering out any part deficiencies. We use only the best input components and every part that ships out of our warehouse has been tested prior to boxing which provides us with some of the lowest failure rates in the marine engine parts industry.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What is the voltage and amperage of this alternator?A: This alternator operates at twelve volts and delivers fifty-five amps of power. It is designed to meet the electrical needs of late model Mercruiser engines.
Q: What are the mounting specifications for the alternator?A: The alternator features a two-inch mounting foot for easy installation. It is designed with a single groove pulley included for compatibility with various applications.
Q: Is this alternator compatible with other brands?A: Yes, this alternator can replace several Mercury and Sierra part numbers. It is compatible with models such as MARINE POWER Alternator 1210-000 and others listed in the product description.
Q: How do I install this alternator?A: To install this alternator, first disconnect the battery, then remove the old alternator. Attach the new alternator using the two-inch mounting foot and connect the electrical wiring as specified in the manual.
Q: Can I use this alternator for my boat?A: Yes, this alternator is specifically designed for marine applications, making it suitable for use in boats that require a reliable power source.
Q: Does it come with installation instructions?A: Yes, installation instructions are typically included with the alternator. It is recommended to refer to the manual for proper installation procedures.
Q: How should I care for this alternator?A: To care for the alternator, ensure it is kept clean and free from debris. Regularly inspect connections for corrosion and ensure the electrical system is functioning properly.
Q: What is the warranty on this alternator?A: This alternator comes with a standard warranty, and if registered, it qualifies for an additional year of parts warranty. Keep your purchase receipt for warranty claims.
Q: Is there a return policy for this alternator?A: Yes, there is a return policy for this alternator. If you receive a defective product, you can return it for a replacement or refund according to the seller's policy.
Q: What should I do if the alternator arrives damaged?A: If the alternator arrives damaged, contact the seller immediately to report the issue. Most sellers will guide you through the return or replacement process.
Q: How does this alternator compare to OEM parts?A: This alternator is engineered to meet or exceed OEM performance standards. It is designed for durability and reliability, often outperforming original equipment.
Q: Is this alternator suitable for high-performance engines?A: Yes, this alternator is engineered for high performance and reliability, making it suitable for use in high-performance marine engines.
Q: What materials are used in the construction of this alternator?A: The alternator is constructed using high-quality materials to ensure durability and reliability. It is designed to withstand the demanding conditions of marine environments.
Q: Can this alternator be used in cold weather?A: Yes, this alternator is designed to operate effectively in various weather conditions, including cold weather, as it is built for marine applications.
Q: What type of maintenance does this alternator require?A: Regular maintenance includes checking electrical connections and ensuring the alternator remains clean. Any signs of wear or damage should be addressed promptly.