Extend your Mercury engine’s life with this premium OEM SCREW, (M5 x 10). Factory-engineered for durability in harsh marine conditions that destroy inferior parts.

Engineered to Mercury’s rigorous OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 40056105 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.

Factory parts exist for a reason — they work. Part 40056105 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

Compatible Mercury Marine Engines

FITS: 4-40HP FORCE, MARINER, MERCURY

• Fits FORCE, MARINER, MERCURY 4-40HP engines
• Compatible HP: 4HP, 15HP, 18HP, 25HP, 30HP, 40HP
• 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, 0R000001-0R067089
• 4HP OUTBOARD (Mercury): 0P073456-0P400999, 0R000001-0R067089

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

40HP Models

• 40HP OUTBOARD (Force): 0E093700-0E138599, 0E138600-0E202999, 0E203000-0E287999, 0E288000-0E344999

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

Not sure if part 40056105 fits your engine? Try our parts finder tool — it’s quick and easy. Need expert help? Contact us using the buttons at the bottom of this page – text, call, or email, whatever works best for you

Serving boaters for over 40 years. Discount pricing with expert service – shipping daily.