AP400504 Flushmate Universal Handle Replacement Kit for Flushmate 504 Series The handle replacement kit is designed to replace current OEM linkage for toilets with the Flushmate 504 Series with flush handle for both right and left handles. The Universal Handle Kit provides a smooth and consistent flush for your pressure-assisted toilet. This kit operates the Flushmate Flush Valve Cartridge.Replacement kit includes : (1) Flush Frame and Lever(1) Handle(1) Bushing(1) Spacer(1) Locking Nut(1) Crank Housing and disposable cap(4) Screws