Your Mercury deserves better than cheap aftermarket parts that fail after one season. This genuine COTTER PIN delivers the reliability your engine was built for.

Factory-built to exact Mercury Marine specifications, this component ensures reliable operation across all engine RPM ranges. Part number 16189 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.

Smart boat owners know: buying cheap parts twice costs more than buying genuine Mercury once. Part 16189 delivers long-term value through superior materials and precision manufacturing.

Compatible Mercury Marine Engines

FITS: 4HP MARINER, MERCURY

• Fits MARINER, MERCURY 4HP engines
• Compatible HP: 4HP
• 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, 0A855097-0G710612, 9589154-0P016999
• 4HP OUTBOARD (Mercury): 0G710613-0T894438, 0P017000-0P400999, 0P073456-0P400999, 0P401000-0R411837, 0R000001-0R067089, 0R067090-0R411837, 0A809601-0A855096, 9477830-9589153, 0A855097-0G710612, 9589154-0P016999

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

Verification & Support

Double-check compatibility for part 16189 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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