Lower Unit Drain Gasket – Fits Yamaha Marine Engines (Replaces 90430-08003-00) 25hp 388173) is engineered for Johnson

388173) is engineered for Johnson and Evinrude outboard motors ranging from 40-200HP

2 mm) tall to comply with USCG and state requirements

Please verify your engine model and year against the compatibility table above

More frequent replacement is recommended if you operate in sandy

2 mm) Mounting Hole Diameter 1

Lower Unit Drain Gasket – Fits Yamaha Marine Engines (Replaces 90430-08003-00) 25hp 388173) is engineered for JohnsonProduct Details This is a high quality aftermarket Yamaha Outboard Lower Unit Drain Gasket designed for a universal fit across all Yamaha Marine 2 stroke and 4 stroke outboard engines from 1985 to the current model year. It creates a critical seal for both the drain and vent plugs, preventing water intrusion and gear lube leaks. It serves as a direct replacement for Yamaha part numbers 90430 08003 00, 90430 08020 00, 90430 08801 00, 604 45342 00 00,