Extend your Mercury engine’s life with this premium OEM NUT, (M10) COMPONENT OF POWERHEAD/PARTIAL ENGINE [891767A07] OR [895233A07]. 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 40140 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 40140 delivers consistent performance because it’s built right — the same way Mercury does it at the factory.

Compatible Mercury Marine Engines

FITS: 10-100HP MARINER, MERCURY (MAGNUM, MARATHON, SEA PRO)

• Fits MARINER, MERCURY 10-100HP engines
• Compatible HP: 10HP, 100HP
• Model types: MAGNUM, MARATHON, SEA PRO, EFI
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

10HP Models

• 10HP MAGNUM (Mariner): 0G760300-0T979999, 0P017000-0P325499
• 10HP MARATHON (Mariner): 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999
• 10HP SEA PRO (Mercury): 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999
• 10HP VIKING (Mariner): 0P017000-0P325499
• 10HP VIKING (Mercury): 0P017000-0P325499

100HP Models

• 100HP EFI (Mariner): 0P459572-2B059605, 1B227000-1B366822
• 100HP EFI (Mercury): 0P459572-2B059605, 1B227000-1B366822
• 100HP OUTBOARD (Mariner): 0G760300-0G965520, 0P017000-0P058999
• 100HP OUTBOARD (Mercury): 0G760300-0G965520, 0P017000-0P058999

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 40140 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

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