Protect your Mercury investment with genuine OEM parts that last. This REED BLOCK ASSEMBLY Component Of Powerhead Assembly [800-818154A31] OR [800-818154A43] delivers years of reliable service – not just one season like cheap alternatives.

Factory-built to exact Mercury Marine specifications, this component ensures reliable operation across all engine RPM ranges. Part number 855952T3 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.

Smart boat owners know: buying cheap parts twice costs more than buying genuine Mercury once. Part 855952T3 delivers long-term value through superior materials and precision manufacturing.

Compatible Mercury Marine Engines

FITS: 140-210HP MARINER, MERCURY, SPORTJET

• Fits MARINER, MERCURY, SPORTJET 140-210HP engines
• Compatible HP: 140HP, 175HP, 200HP, 210HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

140HP Models

• 140HP JET (Mariner): 0G960500-0T178499
• 140HP JET (Mercury): 0G960500-0T178499

175HP Models

• 175HP JET (Sportjet): 0E369300-0E433153, 0E369300-0E433153

200HP Models

• 200HP DFI JET DRIVE (Sportjet): 0E384500-0E435741, 0E379931-0E428850, 0M954922-0M964698
• 200HP JET (Sportjet): 0E384500-0E433351, 0E379931-0E423075

210HP Models

• 210HP CARB JET DRIVE (Sportjet): 0E384500-0E433153, 0E379931-0E433153
• 210HP JET (Sportjet): 0E373939-0E426999, 0E370718-0E426999

HP Models

• HP OUTBOARD (Mariner): 0G960500-1B226999, 0G960500-0T178499, 0T178500-0T800999, 0T801000-1B226999, 0T178500-1B226999, 0G960500-0T408999
• HP OUTBOARD (Mercury): 0G960500-0T178499, 0T178500-0T800999, 0T801000-1B226999, 0T178500-1B226999, 0G960500-0T408999

Don’t know where your serial number is? Our quick reference guide shows exactly where to find it on Mercury Marine engines.

Verification & Support

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