Stop fighting with your Mercury engine. This factory-spec SCREW, (.438-14 x 2.060) Black Oxide eliminates common issues and delivers the smooth operation you expect from genuine OEM components.

Factory-built to exact Mercury Marine specifications, this component ensures reliable operation across all engine RPM ranges. Part number 8M0000463 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 8M0000463 delivers consistent performance because it’s built right — the same way Mercury does it at the factory.

Compatible Mercury Marine Engines

FITS: 8-700HP MERCRUISER, RACE STERNDRIVE (EFI)

• Fits MERCRUISER, RACE STERNDRIVE 8-700HP engines
• Compatible HP: 8HP, 525HP, 540HP, 600HP, 662HP, 700HP
• Model types: EFI
• Covers 23 serial number ranges
• Configurations: Outboard, Sterndrive
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

8HP Models

• 8HP INBOARD (Mercruiser): 1A350802-2A041664, 1A350802-2A041664
• 8HP OUTBOARD (Mercruiser): 1A350340-2A041664, 2A041665-2A051741, 2A051742-2A051742, 1A350340-2A041664, 2A041665-2A051740, 2A051741-2A051741

525HP Models

• 525HP EFI (Race Sterndrive): 0M953620-0M956326, 0M956327-0M962885

540HP Models

• 540HP OUTBOARD (Mercruiser)

600HP Models

• 600HP STERNDRIVE (Race Sterndrive)

662HP Models

• 662HP STERNDRIVE (Race Sterndrive): 0M956580-0M962885

700HP Models

• 700HP STERNDRIVE (Race Sterndrive): 0M954560-0M962885

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

Verification & Support

Want to verify compatibility for part 8M0000463? 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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