Magnetic lower unit drain plug screw: Simplifies removal of metal debris from gear oil for improved engine maintenance
Includes gasket: Ensures a secure, leak-free installation
3/8-16 thread: Compatible with most 40-300hp Johnson, Evinrude, and OMC gearcases
Fits most 2-3L 8-2L outdrives: Versatile use across a range of marine outdrives
Direct replacement for multiple part numbers: Convenient compatibility with 318544-912624, 18-2378, 31731-02593
Summarized by Shop
Magnetic Lower Unit Drain Plug Screw and Gasket
3/8"-16 thread
This screw is usually used in the bottom drain plug hole. The magnet helps in removing small metal particles in the gear oil.
Fits: Johnson / Evinrude
Most 40-300hp 1973-Current Gearcases OMC Sterndrive
Most 2.3L-8.2L Outdrives
Replaces: 318544, 912624, 18-2378, 31731, 02593
Thread Size
3/8-16
Material
Metal
Includes
Drain plug screw and gasket
Compatibility
Johnson, Evinrude, most 40-300hp 1973-current gearcases; OMC Sterndrive, most 2-3L 8-2L outdrives