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Manufactured to strict Mercury Marine quality standards, this component ensures reliable operation across all engine RPM ranges. Part number 881138 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.

Cut-rate alternatives might look similar, but they’re not engineered to Mercury’s exacting standards. Part 881138 delivers consistent performance because it’s built right — the same way Mercury does it at the factory.

Compatible Mercury Marine Engines

FITS: 4-30HP MARINER, MERCURY

• Fits MARINER, MERCURY 4-30HP engines
• Compatible HP: 4HP, 5HP, 15HP, 18HP, 25HP, 30HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

4HP Models

• 4HP OUTBOARD (Mariner): 0P073456-0P400999, 0P401000-0R411837, 0R000001-0R067089, 0R067090-0R411837
• 4HP OUTBOARD (Mercury): 0P073456-0P400999, 0P401000-0R411837, 0R000001-0R067089, 0R067090-0R411837

5HP Models

• 5HP OUTBOARD (Mariner): 0P073456-0P400999, 0P401000-0R411837, 0R000001-0R067089
• 5HP OUTBOARD (Mercury): 0P073456-0P400999, 0P401000-0R411837, 0R000001-0R067089

15HP Models

• 15HP OUTBOARD (Mariner)
• 15HP OUTBOARD (Mercury)

18HP Models

• 18HP OUTBOARD (Mercury)

25HP Models

• 25HP JET (Mercury)
• 25HP OUTBOARD (Mariner)
• 25HP OUTBOARD (Mercury)

30HP Models

• 30HP OUTBOARD (Mariner)
• 30HP OUTBOARD (Mercury)

Looking for your Mercury engine serial number? Our helpful guide shows you exactly where serial numbers are located on different engines.

Verification & Support

Questions about part 881138? 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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