Thrifco Plumbing 4400960 1B-1H Stem, for Use with Sayco Model Sink Lavatory and Bath Faucets, Metal, Brass, Replaces Danco 15431E. Features: Replaces Danco 15431E Durable brass construction Fits Sayco Kitchen faucet models 280, 620, 820; Lavatory models 420-22, 2042-44; Tub/Shower models 2351 For hot water applications ID length 1, broach B Stem Only 1 Piece