Danco 35755B Faucet O-ring, #41, 7/16 in ID x 9/16 in OD Dia, 1/16 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.