Product Review
Brand new, genuine Yamaha Marine Gasket. This is a factory original equipment part, not aftermarket.
- Use: Seals the lower unit drain/vent (fill) plug during gear lube service.
- Replace at every gear lube change or whenever the screw is removed.
- Helps keep water out and gear lube in to protect gears and bearings.
- Crush Gasket: Forms a fresh seal when torqued to spec.
- Cross-Reference: Yamaha 90430-08003-00
- Use a new gasket each time the plug is removed; clean threads and seating surfaces before installation.
- Torque the plug to your engine’s specification and verify for seepage after the first run.