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

Built with Mercury Marine’s precision engineering, this component ensures reliable operation across all engine RPM ranges. Part number 807166A1 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 807166A1 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 262-350HP MERCRUISER

• Fits MERCRUISER 262-350HP engines
• Compatible HP: 262HP, 350HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

262HP Models

• 262HP MAG (Mercruiser): 0F803800-0K999999

350HP Models

• 350HP MAG MPI (Mercruiser): 0M300000-0M599999, 0M600000-0W059999, 0W060000-0W309999, 0W310000-0W649999, 0W650000-1A299999, 1A300000-1A611927, 1A611928-1A623184
• 350HP OUTBOARD (Mercruiser): 0L010019-0L339999, 0L331599-0M299999, 0M300000-0M599999, 0M600000-0W059999, 0W060000-0W309999, 0W310000-0W649999, 0W650000-1A299999, 1A300000-1A611927, 1A611928-1A623184, 1A300000-1A611927, 1A611928-1A623184, 0F601000-0K001526, 0K001527-0K999999

Not sure where to find your engine’s serial number? View our quick reference guide to locate it on your Mercury Marine engine.

Verification & Support

Questions about part 807166A1? 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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