Take control of your Mercury maintenance with this genuine **VALVE**. Straightforward replacement that delivers factory results without shop labor costs.

Precision-engineered for Mercury outboards, 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.

Genuine Mercury Marine part 424811 isn’t just a replacement – it’s an investment in your engine’s longevity. Factory engineering ensures optimal performance while cheap alternatives lead to repeated repairs.

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

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

Questions about part 424811? Use our parts finder tool to verify fitment yourself. Prefer to talk to an expert? Use the contact buttons at the bottom of this page to reach our team by text, call, or email.

Trusted by boaters since 1985. Get Mercury OEM quality at discounted prices – exceptional savings on genuine parts.