Maintain peak Mercury Marine performance with this factory-engineered SCREW, (M5 x 18). Designed for precision installation and built to handle demanding marine environments season after season.

Manufactured to strict Mercury Marine quality standards, this component ensures reliable operation across all engine RPM ranges. Part number 40118107 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 40118107 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 4-30HP MARINER, MERCURY

• Fits MARINER, MERCURY 4-30HP engines
• Compatible HP: 4HP, 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

15HP Models

• 15HP OUTBOARD (Mariner): 0N001590-0N055284
• 15HP OUTBOARD (Mercury): 0N001590-0N055284

18HP Models

• 18HP OUTBOARD (Mercury): 0N001590-0N055284

25HP Models

• 25HP JET (Mercury)
• 25HP OUTBOARD (Mariner): 0N018456-0N055504
• 25HP OUTBOARD (Mercury): 0N018456-0N055504

30HP Models

• 30HP OUTBOARD (Mariner): 0N001875-0N055504
• 30HP OUTBOARD (Mercury): 0N001875-0N055504

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

Verification & Support

Questions about part 40118107? 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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