Mercury – Quicksilver 8M6007447 Alternator | Marine Diesel Charging Series | Corrosion-Resistant Construction | 8M6007447

Overview

There is a special kind of assurance that comes from hearing your marine diesel fire up and knowing the charging system behind it is solid, steady, and ready for the journey ahead. When you depend on your electrical system for navigation, lighting, communication, and safe operation offshore, that peace of mind matters more than most people realize. Whether you are preparing for a long passage or easing into the marina at dusk, you want an alternator you can trust without a second thought. That is why I rely on Mercury Marine parts. With the Mercury Marine part number 8M6007447, your engine gets reliable power generation that keeps your vessel running strong.

Key Features

• Twenty-four-volt, thirty-amp alternator for select marine diesel engines
• Designed for Volvo-Penta, Bukh, and Renault marine engine applications
• Built with internal regulator and external fan for efficient cooling and steady output
• Plated fans, pulleys, and hardware resist corrosion in harsh marine environments
• Equipped with flame-arrestor screens meeting Marine SAE J1171 certification
• Replaces OEM alternators including Volvo 820652, 847651, Valeo 2100879, and more
• Wiring harnesses supplied where required for simple installation

Engine & Boat Compatibility

• Fits select Volvo-Penta diesel engines, including various inboard marine installations
• Works with Bukh and Renault marine engines used in sailboats, workboats, commercial craft, and small trawlers
• Ideal for vessels that rely on robust, twenty-four-volt electrical systems
• Suited for boats needing consistent, dependable battery charging for navigation, pumps, lighting, and onboard systems

Performance & Practical Benefits

From the moment the engine starts turning, this alternator delivers a steady, reliable charge that keeps your batteries strong and your systems functioning smoothly. The output feels tight and consistent, supporting the electrical demands of modern marine setups without fluctuation or strain. The external cooling fan helps maintain stable temperatures, while corrosion-resistant plated hardware ensures durability even in salt-heavy environments.

The design emphasizes long-term reliability: flame-arrestor screens protect against ignition hazards, and precision-built internals help maintain smooth operation at varying engine speeds. Installation is straightforward thanks to the OEM-accurate fit and included wiring harnesses where required. With this Mercury Marine part in place, your electrical system feels secure, balanced, and ready for any conditions you face on the water.

Why Buy OEM

When it comes to marine charging systems, reliability is not optional—it is essential. Genuine Mercury Marine parts are engineered to exact specifications to ensure proper output, stable charging, and long-term durability. Aftermarket alternators may look similar, but they often lack marine-grade protection, corrosion resistance, and the precise fit your engine requires. With Mercury Marine part number 8M6007447, you get the assurance of OEM quality, reduced maintenance, and dependable power generation that protects your investment and your time on the water. It is the practical choice seasoned boaters trust.

FAQ

Q1: Which engines does the Alternator part number 8M6007447 fit?

It fits select Volvo-Penta, Bukh, and Renault marine diesel engines.

Q2: What makes this alternator better than aftermarket versions?

It meets marine ignition-protection standards, uses corrosion-resistant materials, and delivers OEM-correct output for stable charging.

Q3: How do I confirm this alternator is correct for my setup?

Compare your engine model and charging system requirements with your owner or service manual.

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

Yes. It is engineered for harsh marine conditions and resists corrosion in either environment.

Q5: Is installation straightforward?

Yes. The precise OEM design and included wiring harnesses (when required) make installation clean and simple.