Don’t miss another weekend. This genuine Mercury Marine SEAL KIT 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 85090A2 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 85090A2 delivers long-term value through superior materials and precision manufacturing.

Compatible Mercury Marine Engines

FITS: 13-18HP MARINER, MERCURY (SEA PRO)

• Fits MARINER, MERCURY 13-18HP engines
• Compatible HP: 13HP, 15HP, 18HP
• Model types: SEA PRO
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

13HP Models

• 13HP OUTBOARD (Mariner): 0P134638-0P400999
• 13HP OUTBOARD (Mercury): 0P134638-0P400999

15HP Models

• 15HP MARATHON XD (Mariner): 0P017000-0P325499, 9927000-0P016999
• 15HP OUTBOARD (Mariner): 0G590000-0G760299, 0G760300-1B226999, 0P075166-0P400999, 1B227000-1B727495, 9973100-0P016999
• 15HP OUTBOARD (Mercury): 0G590000-0G760299, 0G760300-1B226999, 0P075166-0P400999, 1B227000-1B727495, 9973100-0P016999
• 15HP SEA PRO (Mercury): 0P017000-0P325499, 9927000-0P016999

18HP Models

• 18HP OUTBOARD (Mariner): 6443973-0B238463, 7209533-0A730006
• 18HP OUTBOARD (Mercury): 6443973-0B238463, 7209533-0A730006

Need help finding your serial number? Check our serial number location guide for step-by-step instructions on locating it on your Mercury engine.

Verification & Support

Want to verify compatibility for part 85090A2? Use our parts finder tool for instant confirmation. Still have questions? No problem – use the contact buttons at the bottom of this page to reach us by text, call, or email

40+ years of marine expertise. Competitive pricing, same-day shipping on most orders.