Mercury – Gasket | Engine Sealing Component | Marine-Grade Fiber Composite | 879014

Overview

Any seasoned boater knows that a dependable seal can make or break a day on the water. A simple gasket carries more responsibility than most people realize, especially on older Johnson and Evinrude outboards where every joint and seam matters. This Mercury Marine gasket gives you peace of mind the moment you tighten it into place. It feels sturdy, precise, and ready to stand up to long weekends of exploring coves, running shorelines, or easing across the lake before sunrise. It’s the kind of part you install once and trust for seasons to come.

Key Features

• High-quality marine-grade gasket engineered for a clean, reliable seal.
• Designed for Johnson and Evinrude 1.5–10 horsepower outboards.
• Built to resist swelling, compression fatigue, and fuel exposure.
• Cut to OEM specifications for exact fitment.
• Tested to perform in extreme temperature and moisture conditions.

Engine & Boat Compatibility

• Fits Johnson/Evinrude 1.5–2 horsepower (1968–1990).
• Fits 3, 4, 5, 5.5, and 6 horsepower engines (1950–1976).
• Ideal for small fishing boats, dinghies, inflatables, and auxiliary outboards.

Performance & Practical Benefits

When you install a gasket that actually seats properly, you can feel the difference immediately. Everything tightens evenly. There’s no guessing, no fighting alignment, no concerns about leaks creeping in later. This gasket creates a clean, steady seal that protects the engine from air leaks, exhaust leaks, and moisture intrusion—all issues that can rob these smaller engines of precious power. Once in place, it helps the motor run smoother, idle more predictably, and start more reliably, even after long periods of storage. It’s a small part, but it adds up to a big improvement in daily use.

Why Buy OEM

Aftermarket gaskets often look the same, but anyone who has rebuilt small engines knows the story: the holes don’t line up perfectly, the material compresses unevenly, or it starts to flake after a season. With OEM, you avoid all that. Mercury Marine ensures the fit, the thickness, and the durability match the original engineering. In real terms, that means fewer leaks, fewer redos, and more time on the water doing what you love.

FAQ

Q1: What engines does this gasket fit?

It fits select Johnson and Evinrude outboards from 1.5–10 horsepower across specific year ranges.

Q2: What makes this better than aftermarket?

Tighter tolerances and higher-grade materials give you a longer-lasting, more dependable seal.

Q3: How do I verify this is the right gasket?

Match your engine model and year, then confirm with your manual or parts diagram.

Q4: Can this be used in saltwater?

Yes—its marine-grade construction is built for both salt and freshwater environments.

Q5: Is installation simple?

Absolutely. If you’re already servicing the engine, the gasket installs quickly with common tools.