Extend your Mercury engine’s life with this premium OEM **SEAL, Oil | SN# 0N188716 & Below COMPONENT OF GEAR HOUSING SEAL KIT [27- 95220A 1] or [27-8M0089639]**. Factory-engineered for durability in harsh marine conditions that destroy inferior parts.

Factory-built to exact Mercury Marine specifications, this seal ensures reliable operation across all engine RPM ranges. Part number 161301 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.

Factory parts exist for a reason – they work. Part 161301 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

FITS: 25-30HP MARINER, MERCURY (EFI)

• Fits MARINER, MERCURY 25-30HP engines
• Compatible HP: 25HP, 30HP
• Model types: EFI
• Covers 16 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

25HP Models

• 25HP EFI (Mariner)
• 25HP EFI (Mercury)
• 25HP JET (Mercury)
• 25HP OUTBOARD (Mariner): 0N018456-0N055504
• 25HP OUTBOARD (Mercury): 0N018456-0N055504
• 25HP SEAPRO (Mercury)

30HP Models

• 30HP EFI (Mariner)
• 30HP EFI (Mercury)
• 30HP OUTBOARD (Mariner): 0N001875-0N055504
• 30HP OUTBOARD (Mercury): 0N001875-0N055504

Looking for your engine serial number? Our helpful guide shows you exactly where Mercury places serial numbers on different models.

Verify part 161301 works with your Mercury using our parts finder tool. Have questions? Reach out using the contact buttons at the bottom of this page – our team is here to help by text, call, or email.

Over 40 years helping Mercury owners. Free shipping on most orders over $100 (restrictions apply).