Non-magnetic design ensures compatibility with magnetic drain plugs for flexible maintenance
3/8-16 thread fits standard marine lower units for easy installation
Compatible with Johnson and Evinrude 40 to 300hp gearcases for broad application
Fits OMC sterndrive 2.3L and 2.8L engines for versatile use
Replaces multiple OEM part numbers for convenient sourcing
Summarized by Shop
Vent / Fill Plug for Lower Unit
Non-Magnetic 3/8"-16 Thread
We also carry the magnetic lower unit drain plug!
This item is sold without the gasket. Be sure to grab a pack of the correct gaskets (plastic or paper) for your application too.
Fits: Johnson / Evinrude
Most 40-300hp Gearcases OMC Sterndrive
2.3L-8.2L
Replaces: 307551, 027283,
Thread Size
3/8-16
Material
Metal
Compatibility
Johnson and Evinrude 40-300hp gearcases, OMC sterndrive 2.3L, 2.8L