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Always verify your specific engine's cooling system requirements
Periodically inspect the electrical connections for corrosion and ensure the motor housing remains clean and free of debris
Remove the old thermostat and gaskets
Brand Part Number Notes Mercury 35-881323T Mercury 35-35436 Alternative OEM part number
Lower Unit Oil Drain Plug Gasket – Fits Yamaha Outboard Motors (Replaces 90430-08003-00, 90430-08020-00) Hydrofoil Stabilizer Always verify your specific engine'sProduct Details This Lower Unit Oil Drain Plug Gasket Fits Yamaha Outboard Motors (Replaces 90430 08003 00, 90430 08020 00) provides a reliable, leak free seal for the lower unit drain and fill plugs. It is designed for a wide range of Yamaha outboard motors, including both 2 Stroke and 4 Stroke models, from 1984 to the present. This part serves as a direct replacement for Yamaha 90430 08020 00, 90430 08003 00, 90430 08801 00, 604 45342 00 00; Mercury
