Don’t miss another weekend. This genuine Mercury Marine MUFFLER, Intake Air Control ships fast and installs easily – get back on the water where you belong.

Engineered to Mercury’s rigorous OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 863829 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.

Aftermarket parts might save a few dollars upfront, but genuine Mercury Marine part 863829 saves you money long-term by lasting years instead of months. Factory precision means perfect fit — no modifications, no surprises.

Compatible Mercury Marine Engines

FITS: 350-383HP MERCRUISER

• Fits MERCRUISER 350-383HP engines
• Compatible HP: 350HP, 357HP, 383HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

350HP Models

• 350HP MAG MPI (Mercruiser): 0M300000-0M599999, 0M600000-0W059999, 0W060000-0W309999, 0W310000-0W649999, 0M310000-0M316999, 0M317000-0M398371, 0M398372-0W389999, 0W390000-0W689999
• 350HP MAG MPI MIE (Mercruiser): 0M310000-0M316999, 0M317000-0M398371, 0M398372-0W389999, 0W390000-0W689999
• 350HP MAG MPI SKI (Mercruiser): 0M300000-0M316999, 0M317000-0W689999
• 350HP MPI ALPHA (Mercruiser)
• 350HP OUTBOARD (Mercruiser): 0M300000-0M599999, 0M600000-0W059999, 0W060000-0W309999, 0W310000-0W649999

357HP Models

• 357HP OUTBOARD (Mercruiser)

383HP Models

• 383HP MAG (Mercruiser)

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

Questions about part 863829? 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

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