Why pay dealer markup? Get genuine Mercury Marine quality at discount pricing. This O-RING, (3.500 x .103) delivers OEM reliability with savings up to 20% below retail.

Built with Mercury Marine’s precision engineering, this seal ensures reliable operation across all engine RPM ranges. Part number 841807 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.

Aftermarket parts might save a few dollars upfront, but genuine Mercury Marine part 841807 saves you money long-term by lasting years instead of months. Factory precision means perfect fit — no modifications, no surprises.

Compatible Mercury Marine Engines

FITS: 102-210HP RACE STERNDRIVE, SPORTJET

• Fits RACE STERNDRIVE, SPORTJET 102-210HP engines
• Compatible HP: 102HP, 107HP, 120HP, 175HP, 200HP, 210HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Sterndrive
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

102HP Models

• 102HP STERNDRIVE (Race Sterndrive)

107HP Models

• 107HP STERNDRIVE (Race Sterndrive): 0M905359-0M957024, 0M957032-0M962885

120HP Models

• 120HP JET (Sportjet): 0E345000-0E369299, 0E369300-0E379999, 0E345000-0E369299, 0E369300-0E384499
• 120HP STERNDRIVE (Race Sterndrive): 0M956534-0M962885

175HP Models

• 175HP JET (Sportjet): 0E151580-0E369299, 0E369300-0E433153, 0E151580-0E369299, 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

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

Verification & Support

Not sure if part 841807 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

40+ years of marine expertise. Great prices, quick delivery – your parts ship fast.