Home improvement and plumbing supply stores such as The Home Depot, Build.com, National Builder Supply and FaucetDirect.com sell spare parts for Danze faucets. Amazon.com, PlumbersStock, Ferguson, and PlumbingSupply.com are a some others that carry spare parts for Danze faucets.
Lowe's also has a large assortment of spare parts for Danze products. A local hardware or plumbing supply shop may also carry spare parts for a Danze kitchen faucet. Some kitchen faucet parts are universal, so if there are no Danze retailers nearby, ask around at a local plumbing store. Also, Danze provides a searchable list of its retailers that is helpful for finding nearby retailers.