Mercury – 90-Amp Fuse | Electrical Protection | Marine-Grade | 8M0207795

Overview

Out on the water, little things matter more than most people realize. A small component can be the difference between a smooth ride back to the marina or a long drift waiting for help. That’s why boaters who’ve spent enough time watching the horizon trust parts that simply work—no drama, no surprises. The Mercury 90-Amp Fuse 8M0207795 is one of those quiet, dependable guardians in your electrical system, giving you the peace of mind that your engine is protected every time you turn the key.

Key Features

• Protects the main electrical system on select Mercury outboards and MerCruiser sterndrive engines
• Designed specifically for high-demand marine environments
• Durable marine-grade materials maintain performance under heat, vibration, and moisture
• Meets SAE specifications for reliable overload protection
• Contains one ninety-amp fuse

Engine & Boat Compatibility.

This Mercury Marine part is used across a wide range of engine families, including:

• Select Mercury outboards with ninety-amp electrical protection needs
• MerCruiser sterndrives requiring a ninety-amp fuse
• Common boat styles that rely on this component include:
• Center consoles
• Sport boats and bowriders
• Pontoons
• Aluminum fishing rigs
• Cruisers using MerCruiser power

Performance & Practical Benefits

A fuse isn’t flashy—you don’t feel it like throttle response or trim angle—but you absolutely feel its absence when something goes wrong. With the 8M0207795 installed, your system is shielded from electrical overloads that can silently damage wiring or cut power at the worst time. The fuse’s tight, secure construction ensures it seats firmly, resisting vibration that can loosen lesser-grade components.

Every part of its design exists to keep your day running smoothly: steady protection, predictable performance, and a build that won’t corrode after a season in salt or brackish water. You’ll notice the difference in how confidently your engine fires up and how consistently your electrical system behaves, even during long runs or high-load situations.

Why Buy OEM

With a fuse, you might think any option will do—but in marine applications, that’s just not the case. Genuine Mercury Marine parts are engineered for the specific electrical loads, heat ranges, and vibration patterns these engines experience. Aftermarket versions can blow prematurely, fit loosely, or fail to provide stable protection.

Buying OEM means fewer headaches, fewer surprises, and fewer repeat jobs. It’s the advice most seasoned boaters will give: use the fuse Mercury designed, install it once, and trust it every single outing. Long-term reliability always beats saving a couple of dollars on a critical component.

FAQ

Q1: Which engines does the Mercury 90-Amp Fuse 8M0207795 fit?

It fits a wide range of select Mercury outboards and MerCruiser sterndrive engines that specify a ninety-amp fuse.

Q2: What makes this fuse better than aftermarket versions?

It meets Mercury Marine’s strict electrical and durability standards, ensuring predictable blow rates, solid fitment, and resistance to corrosion and vibration.

Q3: How can I confirm this is the right fuse for my setup?

Check your engine owner’s manual or match the part number on your existing fuse. If your system calls for a ninety-amp fuse, this is typically the proper OEM replacement.

Q4: Is it safe for both freshwater and saltwater use?

Yes. Its marine-grade materials are designed to withstand humidity, salt exposure, and temperature swings.

Q5: Is installation straightforward?

Most boat owners can replace it in minutes—just be sure to disconnect power and follow your manual for fuse box access.