Take control of your Mercury maintenance with this genuine GASKET SET, Powerhead. Straightforward replacement that delivers factory results without shop labor costs.

Engineered to Mercury’s rigorous OEM standards, this gasket ensures reliable operation across all engine RPM ranges. Part number 43779A87 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 43779A87 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: 50-60HP MARINER, MERCURY

• Fits MARINER, MERCURY 50-60HP engines
• Compatible HP: 50HP, 60HP
• Covers 12 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

50HP Models

• 50HP OUTBOARD (Mariner): 0B122930-0D000749, 9469200-9683054
• 50HP OUTBOARD (Mercury): 0B122930-0D000749, 9469200-9683054

60HP Models

• 60HP OUTBOARD (Mariner): 0B122930-0D000749, 9469200-9683054
• 60HP OUTBOARD (Mercury): 0B122930-0D000749, 9469200-9683054

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

Double-check compatibility for part 43779A87 using our parts finder tool. Still need assistance? No worries – contact us via the buttons at the bottom of this page (text, call, or email)

Four decades of marine parts experience. Discount pricing with expert service – shipping daily.