particularly if the old ones show any signs of corrosion
disconnect the engine's battery and turn off the fuel supply
22 lb) Fitting Type O-Ring seals Warranty 1-year manufacturer warranty against defects Other Technical Attributes Designed for oil drainage and ventilation system sealing What’s in the Box
It requires care to ensure a proper seal
Waterproof Chemical Resistance Fuel Resistant
Gearcase Drain Plug Seal Gasket – Fits Mercury, Yamaha, Suzuki (Replaces 26-830749, 90430-08003-00) 40hp particularly if the old onesProduct Details This Gearcase Drain Plug Seal Gasket Fits Mercury, Yamaha, Suzuki Outboards provides a secure, leak free seal for the lower unit gear oil drain and fill plugs. It is designed for a wide range of outboard and sterndrive models from Mercury Marine, Mercruiser, Yamaha, and Suzuki that utilize a 3 8" 16 threaded plug. It serves as a direct replacement for Mercury part 26 830749, Yamaha parts 90430 08003 00, 90430 08020 00, 90430 08801 00,