SCREW, (M6 x 25), ANODE – 4000330

Stop fighting with your Mercury engine. This factory-spec SCREW, (M6 x 25), ANODE eliminates common issues and delivers the smooth operation you expect from genuine OEM components.

Manufactured to strict Mercury Marine quality standards, this anode ensures reliable operation across all engine RPM ranges. Part number 4000330 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 4000330 delivers consistent performance because it’s built right — the same way Mercury does it at the factory.

Compatible Mercury Marine Engines

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

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

COMPLETE SERIAL NUMBER COMPATIBILITY:

10HP Models

• 10HP MAGNUM (Mariner): 0D038000-0D279999, 0D281000-0G760299, 0G760300-0T979999, 0P017000-0P325499, 9596000-9792199, 9792200-0P016999
• 10HP MARATHON (Mariner): 0D038000-0D279999, 0D281000-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999, 9596000-9792199, 9792200-0P016999
• 10HP OUTBOARD (Mercury)
• 10HP SEA PRO (Mercury): 0D038000-0D279999, 0D281000-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999, 9596000-9792199

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

Verify part 4000330 works with your Mercury using our parts finder tool. Have questions? Reach out using the contact buttons at the bottom of this page — our team is here to help by text, call, or email

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