Maintain peak Mercury Marine performance with this factory-engineered NUT, (.437-20) Stainless Steel, GEAR HOUSING STUDS. Designed for precision installation and built to handle demanding marine environments season after season.

Factory-built to exact Mercury Marine specifications, this housing assembly ensures reliable operation across all engine RPM ranges. Part number 34933 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.

Cut-rate alternatives might look similar, but they’re not engineered to Mercury’s exacting standards. Part 34933 delivers consistent performance because it’s built right — the same way Mercury does it at the factory.

Compatible Mercury Marine Engines

FITS: 0-115HP MARINER, MERCRUISER, MERCURY, RACE STERNDRIVE

• Fits MARINER, MERCRUISER, MERCURY, RACE STERNDRIVE 0-115HP engines
• Compatible with 7 different HP configurations
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard, Sterndrive
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

0HP Models

• 0HP STERNDRIVE (Mercruiser): 1830753-2063740

100HP Models

• 100HP OUTBOARD (Mercury): 2641855-3253111, 2318586-2836018

102HP Models

• 102HP STERNDRIVE (Race Sterndrive)

105HP Models

• 105HP JET (Mariner): 0D082000-0G303045, 0G303046-0G760299
• 105HP JET (Mercury): 0D082000-0G303045, 0G303046-0G760299

107HP Models

• 107HP STERNDRIVE (Race Sterndrive): 0M905359-0M957024, 0M957032-0M962885

110HP Models

• 110HP JET (Mercury)
• 110HP OUTBOARD (Mercury): 2798057-3263262, 3263263-3795657
• 110HP STERNDRIVE (Race Sterndrive)

115HP Models

• 115HP OUTBOARD (Mariner): 4865178-5430526, 5430527-5738890, 5738891-6436122
• 115HP OUTBOARD (Mercury): 5314656-5600966, 5600967-6436122, 7131213-7147987, 7147988-7208847

Looking for your Mercury engine serial number? Our helpful guide shows you exactly where serial numbers are located on different engines.

Verification & Support

Questions about part 34933? 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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