A kitchen or bathroom faucet can leak from the spout for a variety of reasons. One of the most common reasons is the faucet stem is worn or damaged. BrassCraft Manufacturing carries a full line of brass compression, washerless and ceramic stems for most major faucet brands.
BrassCraft® Faucet Stem, Valvet Collection, 2-5/8 in L Size, For Use With: Kohler® Lavatory/Kitchen/Tub/Shower Hot Water Faucet, Brass, Polished Chrome, Domestic