Maintain peak Mercury Marine performance with this factory-engineered RETAINER, Reed COMPONENT OF POWERHEAD. Designed for precision installation and built to handle demanding marine environments season after season.

Built with Mercury Marine’s precision engineering, this component ensures reliable operation across all engine RPM ranges. Part number 812879002 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 812879002 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

Compatible Mercury Marine Engines

FITS: 30-45HP MARINER, MERCURY

• Fits MARINER, MERCURY 30-45HP engines
• Compatible HP: 30HP, 40HP, 45HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

30HP Models

• 30HP JET (Mariner): 0G760300-0T408999, 0P017000-0P153499
• 30HP JET (Mercury): 0G760300-0T408999, 0P017000-0P153499

40HP Models

• 40HP JET (Mariner): 0P094500-0P325499, 0T178500-0T979999
• 40HP JET (Mercury): 0P094500-0P325499, 0T178500-0T979999
• 40HP OUTBOARD (Mariner): 0G760300-0T979999, 0P017000-0P325499
• 40HP OUTBOARD (Mercury): 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999

45HP Models

• 45HP JET (Mariner): 0G590000-0G760299, 0G760300-0T129554, 0P017000-0P094499
• 45HP JET (Mercury): 0G590000-0G760299, 0G760300-0T129554, 0P017000-0P094499

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

Verification & Support

Questions about part 812879002? 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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