Genuine replacement part</br>Perfect fit every time</br>Shipped from the U.S.A.</br>KO.1016515 is Kohler part number</br>Kohler Genuine Part</br>Valve Kit</br>For various single control faucets</br>Suggest using GP30420 O-ring kit when replacing valve</br></br>Product Description</br></br>Kohler Genuine Part?? Valve for single control faucets?? Valve Kit.</br><br/>http://www.amazon.com/gp/product/B001GZU9LS