Mercury – Quicksilver Alternator | High Output Charging Series | Corrosion-Resistant Marine Construction | 8M6007474

Overview

Every boater knows the comfort that comes from glancing at the gauges and seeing everything running strong and steady. It is the quiet reassurance that your batteries are charging, your electronics have what they need, and your engine is getting the support it depends on. That peace of mind is not flashy, but it is worth everything when you are miles from the dock with a full day ahead. The Mercury Marine part number 8M6007474 Quicksilver Alternator gives you that confidence — the kind that settles in and stays with you long after you turn the key.

Key Features

• High output marine alternator designed for dependable battery charging
• Twelve-volt, ninety amp configuration with internal regulator and internal fan
• Built with plated hardware, pulleys, and fans for enhanced corrosion resistance
• Includes wiring harnesses when required for specific applications
• Engineered to meet original equipment output and performance standards
• Equipped with flame arrestor screens meeting Marine SAE J1171 certification
• Part Number: 8M6007474

Engine & Boat Compatibility

• Fits Honda outboards from two hundred horsepower to two hundred twenty horsepower (model years two thousand two through two thousand fourteen)
• Commonly used on offshore center consoles, dual consoles, bay boats, and larger freshwater cruisers
• Ideal for boats running multiple electronics such as chartplotters, livewell pumps, radios, and lighting
• Suitable for both saltwater and freshwater environments where reliable charging is essential

Performance & Practical Benefits

What you will notice first with this alternator is how effortlessly it supports your electrical system. Once installed, the charge output feels strong and consistent, giving you a steady flow of power even when you are running a full suite of electronics. The internal fan keeps the unit cool, while the plated hardware helps the alternator stay clean and functional despite long hours in tough marine conditions.

In daily use, that translates into a smoother, more confident experience on the water. Your engine response stays tight, your batteries recover faster, and your accessories run without flicker or strain. The construction is solid and the fit is precise, so installation feels secure rather than forced or awkward. Over time, the corrosion-resistant design pays for itself by preventing early wear — something every offshore boater has battled at least once.

This alternator is built for real-world boating: long runs, short stops, hot engine compartments, unexpected weather, and the constant presence of salt. It handles all of it with the steady, dependable feel you want in an essential component.

Why Buy OEM

Choosing a genuine Mercury Marine part is choosing reliability that has already been tested in the same conditions you face. OEM engineering means the alternator delivers proper output, mounts correctly, and holds up through years of vibration and moisture. Aftermarket versions may look similar, but they often fall short in long-term consistency. When you want a part that works right the first time and keeps working without surprises, OEM is the practical path. It saves you time, reduces headaches, and protects your investment.

FAQ

Q1: Which systems does the Quicksilver Alternator fit?

It fits Honda outboards between two hundred and two hundred twenty horsepower from two thousand two to two thousand fourteen.

Q2: What sets this alternator apart from aftermarket versions?

The corrosion-resistant hardware, internal fan, and OEM-tested output make it more reliable over long use.

Q3: How do I confirm this is the right replacement?

Match your engine model and year with part number 8M6007474 or verify compatibility in your owner’s manual.

Q4: Can it be used in both freshwater and saltwater?

Yes, it is engineered for both and includes components designed to resist corrosion.

Q5: Is installation manageable for most boat owners?

Most experienced boaters find the installation straightforward, especially with the supplied harnesses.