Danco 35767B Faucet O-ring, #53, 5/8 in ID x 3/4 in OD Dia, 3/64 in Thick, Rubber

The Danco O-rings will repair your leaky faucet. Faucets usually have one or more O-rings to prevent water from leaking out around the spout. Replacing worn-out O-rings is an inexpensive alternative to replacing the entire faucet fixture.