Mercury – Quicksilver 8M6007462 Alternator | 10SI Series Marine Charging | 12-Volt / 63 Amp | 8M6007462

Overview

There’s a kind of quiet confidence that comes from knowing your electrical system won’t let you down—whether you’re running upriver at sunrise or easing back into the slip after a long day on the water. A dependable alternator keeps that feeling alive. It keeps the battery strong, the gauges steady, and the engine ready to answer every throttle push without hesitation. With the Quicksilver 8M6007462 Alternator, that confidence becomes part of the boat itself, settling in behind every trip like a steady hand on your shoulder.

Key Features

• Designed to deliver consistent charging output for a wide range of marine engines
• Durable internal regulator with external fan for reliable cooling
• Twelve-volt, sixty-three amp performance built for marine use
• Engineered to resist corrosion with plated hardware and marine-grade components
• Meets marine flame-arrestor certification standards for added safety

Engine & Boat Compatibility

• Fits select OMC, Pleasurecraft, and Crusader engines using 10SI alternator applications
• Common on inboard cruisers, coastal fishing boats, ski boats, older sterndrive setups, and classic restoration builds
• Ideal for vessels needing stable battery charging during long idle periods or frequent low-speed maneuvering

Performance & Practical Benefits

A good alternator doesn’t call attention to itself—it simply works. Out on the water, the 8M6007462 keeps voltage steady even when the weather’s pushing the boat around or you’re running accessories that love to eat power. You’ll notice the difference in little ways: the smooth sweep of your gauges, the tight and predictable behavior of your ignition system, and the ease with which the engine fires back to life after anchoring for lunch.

This alternator is built to handle the kind of harsh marine environments that quickly wear down automotive parts. Its external fan keeps things cool when the compartment heats up, and the corrosion-resistant finish holds up against salt spray, humid mornings, and the constant vibration of a running engine. Installation feels clean and straightforward, and the fitment has that “right the first time” quality you only get with an OEM-grade marine component.

Why Buy OEM

Marine charging systems aren’t the place to experiment with aftermarket parts. A genuine Quicksilver component like this alternator is engineered specifically for the way marine engines load, cool, and cycle. It lasts longer, protects other electronics, and saves you from the slow headaches that cheaper parts tend to cause. If you want reliability over guesswork—and fewer weekends stuck troubleshooting at the dock—OEM is the smarter path every time.

FAQ

Q1: Which Mercury or marine engines does this alternator fit?

It’s built for various OMC, Pleasurecraft, and Crusader engines that use 10SI-style alternators.

Q2: What makes this different from aftermarket replacements?

The materials, cooling design, and marine-grade construction are engineered to handle moisture, vibration, and long duty cycles that automotive versions can’t survive.

Q3: How do I confirm it’s the right alternator for my engine?

Check your engine’s manual for the 10SI application or verify the required amperage and connector style.

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

Yes—its corrosion-resistant design performs well in both.

Q5: Is installation straightforward?

Most boat owners find the installation simple with standard tools and clear guidance from the service manual.