Danco Metal Tub/Shower Repair Kit Sayco in the Faucet Repair Kits & Components department at Lowes.com
LDR 013 8500CP Chrome 3-Handle Tub & Shower Faucet Set - Walmart.com
Project Source Everfield Polished Chrome 3-handle Single Function Round Bathtub and Shower Faucet Valve Included in the Shower Faucets department at Lowes.com
Plumb USA Generic Delta Shower Diverter Stem Unit, Also Works With Import Diverter Stem,Delex Pattern Broach, For 3 Handle Tub And Shower Valve, Fits Many Import Valves,White/Black - Faucet Cartridges - Amazon.com