Don’t miss another weekend. This genuine Mercury Marine O-RING, (.551 x .070) ships fast and installs easily – get back on the water where you belong.

Manufactured to strict Mercury Marine quality standards, this seal ensures reliable operation across all engine RPM ranges. Part number 85045 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 85045 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: 65-165HP MARINER, MERCURY, RACE STERNDRIVE (EFI)

• Fits MARINER, MERCURY, RACE STERNDRIVE 65-165HP engines
• Compatible with 10 different HP configurations
• Model types: EFI
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard, Sterndrive
• OEM genuine Mercury Marine part

 

COMPLETE SERIAL NUMBER COMPATIBILITY:

65HP Models

• 65HP JET (Mercury)

75HP Models

• 75HP EFI (Mariner)
• 75HP EFI (Mercury)

80HP Models

• 80HP EFI (Mariner)
• 80HP EFI (Mercury)
• 80HP JET (Mercury)

90HP Models

• 90HP EFI (Mariner)
• 90HP EFI (Mercury)

100HP Models

• 100HP EFI (Mariner)
• 100HP EFI (Mercury)

110HP Models

• 110HP STERNDRIVE (Race Sterndrive)

115HP Models

• 115HP EFI (Mariner)
• 115HP EFI (Mercury)

135HP Models

• 135HP STERNDRIVE (Race Sterndrive)

150HP Models

• 150HP OUTBOARD (Mariner)
• 150HP OUTBOARD (Mercury)

165HP Models

• 165HP STERNDRIVE (Race Sterndrive)

HP Models

• HP OUTBOARD (Mariner): 0G590000-0G760299, 0G590000-0G760299
• HP OUTBOARD (Mercury): 0G590000-0G760299
• HP STERNDRIVE (Race Sterndrive)

 

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 85045 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

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