Genuine replacement part</br>Perfect fit every time</br>Shipped from the U.S.A.</br>KO.1018165-F is Kohler part number</br>Kohler Genuine Part</br>Used with Dry Lock connection</br>Newer two piece Kohler toilets</br></br>Product Description</br></br>Kohler Genuine Part?? Tank to Bowl Gasket?? Used with Dry Lock connection.</br><br/>http://www.amazon.com/gp/product/B006HE4C3O