Restore factory performance to your Mercury engine with this OEM VALVE. Engineered to exact specifications for reliable operation in fresh and saltwater conditions.

Engineered to Mercury’s rigorous OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 424811 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.

Why risk your Mercury engine with questionable aftermarket parts? Genuine part 424811 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 150-300HP MARINER, MERCURY, RACE OUTBOARD, SPORTJET

• Fits MARINER, MERCURY, RACE OUTBOARD, SPORTJET 150-300HP engines
• Compatible HP: 150HP, 200HP, 225HP, 240HP, 250HP, 300HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

150HP Models

• 150HP OUTBOARD (Race Outboard): 0G610050-0G856999

200HP Models

• 200HP OUTBOARD (Race Outboard): 0G857000-0G858150

225HP Models

• 225HP OUTBOARD (Mariner): 0G129222-0G760299, 0G760300-0T408999
• 225HP OUTBOARD (Mercury): 0G129222-0G760299, 0G760300-0T408999
• 225HP OUTBOARD (Race Outboard): 0G610104-0G856999, 0G857000-0T429939

240HP Models

• 240HP EFI JET DRIVE (Sportjet): 0E384500-0E406399, 0E379931-0E406399
• 240HP JET (Sportjet): 0E373939-0E384499, OE384500-0E406399, 0E370718-0E379930, 0E379931-0E406399

250HP Models

• 250HP OUTBOARD (Mariner): 0G129222-0G760299, 0G760300-0T408999
• 250HP OUTBOARD (Mercury): 0G129222-0G760299, 0G760300-0T408999, 0G980600-0T800999

300HP Models

• 300HP OUTBOARD (Race Outboard): 0G610221-0T105297, 0G610221-0T105297

HP Models

• HP OUTBOARD (Mariner): 0G303046-0G760299, 0G760300-0G960499
• HP OUTBOARD (Mercury): 0G303046-0G760299

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 424811 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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