Maintain peak Mercury Marine performance with this factory-engineered CHECK VALVE. Designed for precision installation and built to handle demanding marine environments season after season.

Factory-built to exact Mercury Marine specifications, this component ensures reliable operation across all engine RPM ranges. Part number 8189941 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 8189941 delivers long-term value through superior materials and precision manufacturing.

Compatible Mercury Marine Engines

FITS: 100-115HP MARINER, MERCURY

• Fits MARINER, MERCURY 100-115HP engines
• Compatible HP: 100HP, 105HP, 115HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

100HP Models

• 100HP OUTBOARD (Mariner): 0D283222-0G760299, 0G760300-0G965520, 0P017000-0P058999, 9793577-0P016999
• 100HP OUTBOARD (Mercury): 0D283222-0G760299, 0G760300-0G965520, 0P017000-0P058999, 9793577-0P016999

105HP Models

• 105HP JET (Mariner): 0G303046-0G760299
• 105HP JET (Mercury): 0G303046-0G760299

115HP Models

• 115HP OUTBOARD (Mariner): 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999, 9793577-0P016999
• 115HP OUTBOARD (Mercury): 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999, 9793577-0P016999

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 8189941 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

Four decades of marine parts experience. Low prices, fast shipping – most orders placed by 1pm ship today.