Why pay dealer markup? Get genuine Mercury Marine quality at discount pricing. This CAP (DESIGN I) delivers OEM reliability with savings up to 20% below retail.

Built with Mercury Marine’s precision engineering, this component ensures reliable operation across all engine RPM ranges. Part number 815784 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.

Factory parts exist for a reason — they work. Part 815784 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

Compatible Mercury Marine Engines

FITS: 100-115HP MARINER, MERCURY

• Fits MARINER, MERCURY 100-115HP engines
• Compatible HP: 100HP, 105HP, 115HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

100HP Models

• 100HP OUTBOARD (Mariner): 0D283222-0G760299, 0G760300-0G965520, 0P017000-0P058999, 9793577-0P016999
• 100HP OUTBOARD (Mercury): 0D283222-0G760299, 0G760300-0G965520, 0P017000-0P058999, 9793577-0P016999

105HP Models

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

115HP Models

• 115HP OUTBOARD (Mariner): 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999
• 115HP OUTBOARD (Mercury): 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999

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

Verification & Support

Want to verify compatibility for part 815784? Use our parts finder tool for instant confirmation. Still have questions? No problem – use the contact buttons at the bottom of this page to reach us by text, call, or email

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