Smart boaters fix it right the first time. This factory SEAL 1,5PART IS NEW AND LISTED FOR THE FIRST TIME :COMPONENT OF POWERHEAD/PARTIAL ENGINE [854198A03] OR [877869A03] ensures professional results even for DIY installation – we’ll help verify it’s the right part.

Factory-built to exact Mercury Marine specifications, this seal ensures reliable operation across all engine RPM ranges. Part number 884391 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.

Why risk your Mercury engine with questionable aftermarket parts? Genuine part 884391 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 200-225HP MARINER, MERCURY

• Fits MARINER, MERCURY 200-225HP engines
• Compatible HP: 200HP, 225HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

200HP Models

• 200HP OUTBOARD (Mariner): 0T750164-0T800999, 0T801000-1B417701, 0T599000-0T800999, 0T801000-1B417701, 1B417702-1B504988, 1B504989-1B912785
• 200HP OUTBOARD (Mercury): 0T980000-1B417701, 1B417702-1B504988, 0T750164-0T800999, 0T801000-1B417701, 1B417702-1B504988, 0T599000-0T800999, 0T801000-1B417701, 1B417702-1B504988, 1B504989-1B912785
• 200HP PRO XS (Mercury): 1B504989-1B912785

225HP Models

• 225HP OUTBOARD (Mariner): 0T409000-0T800999, 0T801000-1B417701
• 225HP OUTBOARD (Mercury): 0T409000-0T800999, 0T801000-1B417701

Not sure where to find your engine’s serial number? View our quick reference guide to locate it on your Mercury Marine engine.

Verification & Support

Want to verify compatibility for part 884391? Use our parts finder tool for instant confirmation. Still have questions? No problem – use the contact buttons at the bottom of this page to reach us by text, call, or email

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