Take control of your Mercury maintenance with this genuine **PISTON SEAL**. Straightforward replacement that delivers factory results without shop labor costs.

Engineered specifically for Mercury Marine engines, this seal ensures reliable operation across all engine RPM ranges. Part number F449278 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Genuine Mercury Marine part F449278 isn’t just a replacement – it’s an investment in your engine’s longevity. Factory engineering ensures optimal performance while cheap alternatives lead to repeated repairs.

FITS: 100-115HP CHRYSLER

• Fits CHRYSLER 100-115HP engines
• Compatible HP: 100HP, 105HP, 115HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

100HP Models

• 100HP OUTBOARD (Chrysler)

105HP Models

• 105HP OUTBOARD (Chrysler)

115HP Models

• 115HP OUTBOARD (Chrysler)

Don’t know where your serial number is? Our quick reference guide shows exactly where to find it on Mercury engines.

Questions about part F449278? Use our parts finder tool to verify fitment yourself. Prefer to talk to an expert? Use the contact buttons at the bottom of this page to reach our team by text, call, or email.

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