O-RING – 804536

Smart boaters fix it right the first time. This factory O-RING ensures professional results even for DIY installation – we’ll help verify it’s the right part.

Factory-built to exact Mercury Marine specifications, this seal ensures reliable operation across all engine RPM ranges. Part number 804536 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 804536 delivers long-term value through superior materials and precision manufacturing.

Compatible Mercury Marine Engines

FITS: 2-200HP MARINER, MERCURY, RACE OUTBOARD (DFI)

• Fits MARINER, MERCURY, RACE OUTBOARD 2-200HP engines
• Compatible with 7 different HP configurations
• Model types: DFI
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

2HP Models

• 2HP OUTBOARD (Race Outboard): 0T997974-1E000796

110HP Models

• 110HP JET (Mercury)

115HP Models

• 115HP DFI (Mariner): 0T980000-1B226999, 1B227000-1B417701, 1B417702-1B736885
• 115HP DFI (Mercury): 0T801000-1B226999, 1B227000-1B417701, 1B417702-1B736885
• 115HP OUTBOARD (Mercury)

125HP Models

• 125HP DFI (Mariner)
• 125HP DFI (Mercury)

150HP Models

• 150HP OUTBOARD (Mercury)

175HP Models

• 175HP PROXS (Mercury)

200HP Models

• 200HP OUTBOARD (Mariner): 0G760300-0G960499, 0G960500-0T178499, 0T178500-0T598999
• 200HP OUTBOARD (Mercury): 0T980000-1B417701, 1B417702-1B504988, 0G760300-0G960499, 0G960500-0T178499, 0T178500-0T598999

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

Verification & Support

Double-check compatibility for part 804536 using our parts finder tool. Still need assistance? No worries – contact us via the buttons at the bottom of this page (text, call, or email)

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