Danco 35720B Faucet O-ring, #73, 2 in ID x 2-3/16 in OD Dia, 3/32 in Thick, Rubber, For: American Standard Faucets

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.