Mercury – Quicksilver Aluminum Anode Kit | Outboard Corrosion Protection Series | Aluminum Finish | 8M6007990

Overview

When you spend your days on the water, you learn quickly which parts you can trust and which ones quietly work behind the scenes to keep everything running smooth. An anode kit is one of those unsung heroes. You rarely think about it when everything’s going well — but you absolutely feel the difference when corrosion starts creeping in. The Mercury Marine part number 8M6007990 Quicksilver Aluminum Anode Kit gives you the kind of confidence that lets you focus on the ride, not the worry. It protects your Yamaha one hundred fifty horsepower counter-rotating outboard long before you ever see signs of wear.

Key Features

• Complete aluminum anode kit designed for Yamaha one hundred fifty horsepower counter-rotating outboards
• Lightweight cast aluminum that offers longer life than traditional zinc
• Meets or exceeds military specification MIL-A-24779(SH) for corrosion protection
• Includes all required anodes plus corrosion-resistant Stainless Steel mounting hardware
• Engineered for fast, simple replacement with common tools
• High-efficiency galvanic protection suited for both fresh and saltwater use
• Part Number: 8M6007990

Engine & Boat Compatibility

• Designed specifically for Yamaha one hundred fifty horsepower counter-rotating outboard engines
• Works well on offshore center consoles, bay boats, pontoons, deep-V fishing boats, and multi-species rigs
• Suited for boats kept in saltwater slips, freshwater marinas, or trailered for weekend use
• Ideal for owners who rely on steady, predictable corrosion protection season after season

Performance & Practical Benefits

Once installed, this anode kit becomes your engine’s first line of defense against galvanic corrosion — something every outboard owner battles sooner or later. The cast aluminum composition is responsive and efficient, wearing at the right rate so it shields the more critical metals on your outboard. That means your lower unit, brackets, and hardware stay protected, even in high-salinity environments where corrosion tends to accelerate.

The fit is clean, the mounting points line up naturally, and everything seats securely with the included Stainless Steel hardware. When you reach for the trim switch or idle through a narrow channel, you can trust your engine is protected beneath the surface. Over time, the lightweight aluminum often lasts longer than zinc in demanding conditions, offering a more consistent protective layer for year-round boaters.

Maintenance is refreshingly simple. A quick inspection each season tells you everything you need to know — if the anodes show pitting or deeper wear, you replace them, and you are good to go. That easy upkeep helps you avoid expensive repairs and extends the life of both your outboard and your boat’s underwater metals.

Why Buy OEM

Choosing a genuine Mercury Marine part is about more than matching numbers — it’s about peace of mind. OEM anode kits are engineered with the exact materials, shape, and mounting design your Yamaha outboard requires. Aftermarket versions may look similar, but they often vary in aluminum quality or fit, which can compromise protection. With OEM, you get consistency, long-term value, and precise engineering that works right the first time. It is the kind of practical decision seasoned boaters make without hesitation.

FAQ

Q1: Which systems does the Quicksilver Aluminum Anode Kit fit?

It fits Yamaha one hundred fifty horsepower counter-rotating outboards.

Q2: What makes this kit better than aftermarket versions?

Its high-quality cast aluminum, strict military-spec performance, and Stainless Steel hardware provide superior long-term protection.

Q3: How do I know if this is the correct replacement?

Match your engine model to part number 8M6007990 or check your owner’s manual.

Q4: Can this kit be used in both saltwater and freshwater?

Absolutely — aluminum anodes perform well in both environments.

Q5: Is installation straightforward?

Yes, most boaters can replace the anodes quickly using basic tools.