Engine acting up? Don’t let a faulty part keep you off the water. This genuine Mercury Marine BEARING ASSEMBLY, Roller restores reliable performance and gets you back to what you love.

Engineered to Mercury’s rigorous OEM standards, this seal ensures reliable operation across all engine RPM ranges. Part number 99328A1 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 99328A1 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 (Mercury): 6416713-6443972, 7207858-7209532, 9332837X-9390058X, 9378116-9415100

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

Not sure if part 99328A1 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. Low prices, fast shipping – most orders placed by 1pm ship today.