66T-45113-A0 Upper Casing Gasket for Yamaha Outboard

The 66T-45113-A0 Upper Casing Gasket is a precision replacement gasket designed for Yamaha 40HP outboard engines. It is used to seal the upper casing assembly, ensuring proper compression, preventing oil and water leakage, and maintaining stable engine performance in marine environments. Ensure reliable sealing and long-lasting performance in your Yamaha outboard engine with the 66T-45113-A0 Upper Casing Gasket. This precision-engineered gasket is designed to provide a secure seal between engine casing components, helping prevent leaks and maintain stable engine performance in marine environments. Manufactured to OEM-equivalent standards by OSAKA Marine Industrial, this gasket ensures accurate fitment, excellent heat resistance, and dependable durability for maintenance and repair applications. Manufactured to OEM specifications, this gasket provides reliable sealing under vibration, heat, and long-term saltwater or freshwater exposure. It is suitable for both maintenance and full engine rebuild applications.
Fits:
✔ Yamaha 40HP Outboard Engines (40X / E40X series, 1998–2017)

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