Restore factory performance to your Mercury engine with this OEM POPPET VALVE COMPONENT OF POWERHEAD/PARTIAL ENGINE [855530T98] or [809837T97]. Engineered to exact specifications for reliable operation in fresh and saltwater conditions.

Designed and manufactured to Mercury Marine OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 86596T 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 86596T 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, 115HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

100HP Models

• 100HP OUTBOARD (Mariner): 0A722297-0D283221, 0D283222-0G760299, 0G760300-0G965520, 0P017000-0P058999, 9523034-9793576, 9793577-0P016999
• 100HP OUTBOARD (Mercury): 0B209468-0D283221, 0D283222-0G760299, 0G760300-0G965520, 0P017000-0P058999, 9523034-9793576, 9793577-0P016999

115HP Models

• 115HP OUTBOARD (Mariner): 0C100000-0D283221, 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999
• 115HP OUTBOARD (Mercury): 0C100000-0D283221, 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999

Don’t know where your serial number is? Our quick reference guide shows exactly where to find it on Mercury Marine engines.

Verification & Support

Questions about part 86596T? 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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