Smart boaters fix it right the first time. This factory GASKET ensures professional results even for DIY installation – we’ll help verify it’s the right part.

Designed and manufactured to Mercury Marine OEM standards, this gasket ensures reliable operation across all engine RPM ranges. Part number 16158009 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 16158009 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: 4-5HP MARINER, MERCURY

• Fits MARINER, MERCURY 4-5HP engines
• Compatible HP: 4HP, 5HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

4HP Models

• 4HP OUTBOARD (Mariner): 0G710613-0T894438, 0P017000-0P400999, 0P073456-0P400999, 0P401000-0R411837, 0R000001-0R067089, 0R067090-0R411837
• 4HP OUTBOARD (Mercury): 0G710613-0T894438, 0P017000-0P400999, 0P073456-0P400999, 0P401000-0R411837, 0R000001-0R067089, 0R067090-0R411837

5HP Models

• 5HP OUTBOARD (Mariner): 0G710613-0T894438, 0P017000-0P400999
• 5HP OUTBOARD (Mercury): 0G710613-0T894438, 0P017000-0P400999

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 16158009 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)

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