Mercury – Gasket for Select FourStroke, Jet and ProKicker Outboards | Engine Sealing Component | Precision Molded Marine Polymer | 8M0214960

Overview

When you’ve spent enough seasons on the water, you learn just how much your engine relies on the quiet, dependable parts you rarely see. A gasket may seem simple, but when it seals right, the whole motor feels more sure of itself. You hear it in the steady idle, that smooth, confident tone that tells you everything beneath the cowling is working together the way it should. The Mercury Marine Gasket 8M0214960 brings that familiar peace of mind. Once installed, you know the engine is protected from leaks, pressure loss and the little annoyances that can snowball into bigger problems on a long day in open water.

Key Features

• Provides a reliable engine seal for select Mercury FourStroke, Jet and ProKicker outboards
• Precision molded polymer construction for stable, long-term sealing
• Designed to maintain shape during heat cycles and extended use
• Exact Mercury Marine original equipment dimensions for proper fitment
• Built to withstand vibrations, pressure changes and harsh marine environments
• Mercury Marine part number 8M0214960
• Fits many small Mercury outboards ranging from four to thirty horsepower (see specific lists below)

Engine & Boat Compatibility

This gasket fits a wide range of compact Mercury engines, including:

• Four, five and six horsepower FourStroke outboards (serial 0R000001 through 0R067089 and 0R411838 and up)
• Eight and nine point nine horsepower FourStroke outboards (two hundred nine cubic centimeter models, serial 1R281445 through 1R279944)
• Fifteen and twenty horsepower carbureted two cylinder FourStroke outboards (serial 0R235949 through 0R833819)
• Nine point nine ProKicker, fifteen and twenty horsepower EFI two cylinder FourStroke outboards (serial 0R833820 and up)
• Fifteen horsepower SeaPro FourStroke International models (serial 0R192772 through 0R548600)
• Twenty-five and thirty horsepower EFI three cylinder FourStroke outboards (serial 0R165086 through 1R162636)
• Five horsepower propane FourStroke outboards (serial 0R936270 through 1R280495)

Commonly used on:

• Tenders, dinghies and runabouts
• Small fishing boats and river rigs
• Portable skiffs and lightweight utility boats
• Inflatable boats powered by compact Mercury outboards

Performance & Practical Benefits

A good gasket does more than seal — it brings the whole engine into balance. This one seats firmly, creating a tight bond that holds up through heat, pressure and constant vibration. Once installed, you’ll feel the benefit in the way the engine starts cleanly, runs steady and maintains power without hesitation. That smooth operation is especially noticeable on smaller outboards, where every bit of efficiency makes a difference on long runs or while slipping along a quiet shoreline.

The material resists hardening, shrinking or cracking, even after long days exposed to sun and saltwater. You won’t be battling premature leaks or chasing small problems that often come with bargain aftermarket gaskets. Instead, you get a consistent, confidence-building seal that protects the engine’s internal components from moisture and blow-by. Maintenance stays simple, and you spend more time enjoying the engine’s reliability rather than troubleshooting avoidable issues.

Why Buy OEM

Gaskets are one of those places where precision truly matters. A genuine Mercury Marine part gives you the exact thickness, shape and flexibility the engine was designed around. Aftermarket options may fit well enough at first glance, but small differences in material or molding can lead to poor sealing, heat damage or early failure. With OEM, you’re choosing a part tested in real marine conditions — from long idle sessions to full-throttle stretches — and built to last through season after season. It’s the kind of practical, reliable choice experienced boaters make without thinking twice.

FAQ

Q1: Which engines does the Gasket 8M0214960 fit?

It fits a wide range of four to thirty horsepower Mercury FourStroke, Jet and ProKicker outboards. See the full compatibility list above.

Q2: What makes this gasket better than aftermarket versions?

The precise molding, heat resistance and exact Mercury Marine tolerances provide a more dependable seal and longer life.

Q3: How do I know if this is the right replacement for my engine?

Match your horsepower, model type and serial number with the compatibility list. If it aligns, this is the correct Mercury Marine part.

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

Yes — the material is designed for long-term exposure in either environment.

Q5: Is installation straightforward?

Most boaters comfortable with small outboard service can replace this gasket during routine maintenance.