2 Pack Magnetic Drain Screw and Non-Magnetic Screw Fit for Yamaha Outboard Lower Unit Assembly, Replace 90340-08002 688-45341 Exhaust Straight Plug with 4 Sealing Gaskets
Compatible Models: Magnetic drain screw with gasket fit for Yamaha outboard engine, replace 688-45341-00 688-45341-01 18-2374 90430-08020 90430-08003. Thread Size: M8 - 1.25 (metric thread size)
Magnetic Drain Screw (Bottom Installation): A strong magnet is embedded in the front end of the screw, which can absorb metal debris or wear particles in the gear oil. Judging the wear condition of the gear helps to detect abnormal wear problems of gears or bearings at an early stage
Non Magnetic Screw (For Vent): Installed in the vent above the gearbox, and cooperate with the bottom screw to complete the oil change operation. The non-magnetic design avoids interference with air pressure balance and ensures smooth ventilation
Oil Circuit Sealing Guarantee: Drain plug screw comes with a O-ring gasket (part number 90430-08020) to ensure a proper seal during installation and to prevent leaks
High Quality Materials: High magnetic iron adsorption, precision thread processing, upgraded sealing gasket, with extreme wear resistance. Can withstand long-term high temperature and high pressure operating environment, improve sealing and service life