The gearbox nut (Lower Unit Spanner Nut) Yamaha is genuine quality (OEM), designed for reliable and secure fastening at the lower part of the outboard motor.
- Replaces OEM Part Numbers 6G5-45384-00 / 6G5-45384-01 / 6G5-45384-02.
- Suitable for outboard engines 150HP / 175HP / 200HP / 225HP / 250HP (Engine Position: Outboard).
- Provides excellent fit and proper operation in demanding marine conditions.