supply of spare part for water pump piston assembly - water side, product no. jas039-wps-02 confirming to specification no. mmdts 19027-rev-3 or latest. make/brand - janatics.spare part for water pump piston assembly - water side, product no. jas039-wps-02 confirming to specification no. mmdts 19027-rev-3 or latest. make/brand - janatics.,spare part for water pump piston assembly - water side, product no. jas039-wps-02 confir ming to specification no. mmdts 19027-rev-3 or latest. make/brand - janatics. [ warranty period: 30 mo nths after the date of delivery ] ] , spare part for water pump piston rod assembly, product no. jas039-wps-06 confirming tosp ecification no. mmdts 19027-rev-3 or latest. make/brand - janatics. [ warranty period: 30 months after t he date of delivery ] ]