Cartridge Assembly - 1300 / 1400 Series (04/2006 and earlier) RP19804 | Delta Faucet
Delta Delta Tub & Shower Cartridges 1.9 D Assorted Colors RP19804 - The Home Depot
RP19804 Pressure Blance Shower Cartridge Assembly Replacement For Delta 1300/1400 Series Tub And Shower 10 PCS - AliExpress
Delta RP19804 (cartridge for 1300 and 1400 tub/shower valves) sealed | eBay
RP19804 RP46074 Shower Cartridge Replacement for Delta 1300/1400 Series 13/14 Series, Compatible with Delta Monitor MultiChoice Rough-in Valve, Include RP22734 (RP46074+Bonnet Nut) - Amazon.com
RP19804 Cartridge Assembly for Delta 1300 1400 Series Tub/Shower Valves, Fit for Delta Monitor Valves,10 packs - Walmart.com
RP19804 Delta Shower Cartridge Replacement for Delta 1300/1400 Series Single Handle Bathtub Shower Faucet Parts Replacement Parts Cartridge For Delta Monitor Shower Tub Cartridge Kit (1993-2007) - Amazon.com
RP19804 Shower Cartridge Replacement for Delta 1300/1400 Series, Compatible with Delta Monitor Rough-in Valve and Single-Hanlde Trim Kit, Include RP22734 Bonnet Nut Replacement - Amazon.com
DSWJZDW RP46074 Shower Valve Cartridge Assembly Compatible for Delta Shower and Tub 13/14 Series Faucet, Single-handle Delta Universal