Mercury – Anode Kit | Corrosion Protection System | Aluminum Marine Finish | 8M0205955

Overview

Any boater who’s spent time offshore knows that corrosion is always working in the background. It never announces itself, and it doesn’t give warnings—it just slowly eats away at the metal that keeps your outboard running strong. That’s why having the right anode kit feels like a quiet kind of security. With the Mercury Marine part 8M0205955 Anode Kit protecting your V8 or Mercury Racing outboard, you’ll feel that steady confidence every time you turn the key. Whether you’re easing out of the harbor before sunrise or heading back in after a full day on the water, you know the essential parts of your engine are shielded from harm.

Key Features

• Protects vulnerable engine components from galvanic corrosion
• Made from high-quality marine aluminum for long-lasting sacrificial protection
• Includes square plate, all trim and trim manifold anodes, and hardware
• Precisely engineered to Mercury Marine OEM specifications
• Balanced anode placement for even, predictable wear
• Designed for durability in demanding saltwater and mixed-use environments

Engine & Boat Compatibility

This anode kit is built specifically for:

• Mercury four-point-six liter V8 two-hundred-fifty to three-hundred horsepower outboards
• Mercury Racing two-hundred-fifty-R and three-hundred-R Verado outboards

Common boat applications include:

• Offshore center consoles
• High-performance fishing boats
• Bay boats and hybrid platforms
• Premium cruisers and sport boats
• Mercury Racing performance rigs

Performance & Practical Benefits

What sets this anode kit apart is how seamlessly it blends into your engine’s protection system. Each aluminum anode is shaped, weighted, and positioned to offer steady and predictable corrosion control. The fit is tight and secure, giving every component the electrical bond it needs to work properly. As soon as they’re installed, the anodes begin absorbing corrosion so your engine’s more critical metal parts stay untouched.

You’ll feel the difference not in how the engine runs, but in how confidently you can run it. Over time, proper anode protection preserves mounting hardware, midsection components, and trim assemblies. That means fewer unexpected repairs, fewer surprises during maintenance, and a longer overall lifespan for your outboard. It’s one of those behind-the-scenes upgrades that quietly pays for itself trip after trip.

Because the kit includes all primary anodes plus hardware, installation is straightforward. Most boaters with basic tools can handle the job themselves. Once installed, maintaining the system is easy—just inspect and replace the anodes once they’ve worn down as expected.

Why Buy OEM

Mercury and Mercury Racing engines are engineered with very specific electrical and corrosion-control needs. Using genuine OEM anodes ensures everything lines up exactly as the factory intended. Aftermarket anodes often use different alloys or imprecise shapes, which can cause uneven wear or leave certain areas unprotected.

With OEM, you’re getting the right material, the right weight, and the right coverage. It’s the simplest way to protect an engine you’ve invested in. And for high-performance motors like the Mercury Racing R-series, cutting corners on corrosion protection is never worth the risk.

FAQ

Q1: Which engines does the Anode Kit 8M0205955 fit?

It fits Mercury four-point-six liter V8 two-hundred-fifty to three-hundred horsepower engines and Mercury Racing two-hundred-fifty-R and three-hundred-R Verado outboards.

Q2: What makes this kit better than aftermarket options?

OEM anodes use the correct Mercury-specified aluminum alloy and exact factory shapes to ensure proper corrosion protection.

Q3: How can I confirm it’s the right replacement?

Match your engine’s horsepower and platform, or confirm by checking the part number in your engine documentation.

Q4: Does it work in both freshwater and saltwater?

Yes. Aluminum anodes perform well in saltwater, brackish, and mixed-use conditions.

Q5: Is installation easy?

Most boat owners will find installation simple with basic hand tools and the included hardware.