Zojirushi Water Bottle Lid Gasket

This gasket is engineered specifically for the Zojirushi BB393016M-00 model. Please check the model number printed on the bottom of your bottle or your original packaging to ensure a perfect match before purchasing.

Not at all. The silicone design is flexible and intuitive, allowing you to easily press it into the lid's groove. No special tools are required for installation.

Over time, silicone gaskets can lose their elasticity, become brittle, or accumulate residue that prevents a proper seal. Replacing the gasket is the most common and effective fix for leaks in Zojirushi hydration vessels.

Yes. The gasket is made from high-quality, food-safe silicone designed to withstand the temperature ranges of both hot and cold drinks without degrading or leaching chemicals.

While there is no set expiration date, you should replace it if you notice visible wear, cracking, or if the bottle begins to leak. Regular cleaning helps extend the lifespan, but replacing it annually is a good practice for maintaining hygiene.