overhauling kit for kbi make check valve to kbi part no. i.3.1902 consisting of 4 items. 1) sealing ring kbi part no. 453890, qty/kit- 02 nos. 2) o ring kbi part no. a 27763/26, qty/kit-02 nos. 3) toothed washer kbi part no. 466031, qty/kit- 02 nos. 4) val
