supply of kit overhauling magnet valve to nyab part no. 774257 consisting of 18 items , kit overhauling magnet valve to nyab part no. 774257 consisting of 18 items for wdp4/wdg4 l ocos 1. piston stem to part no.776507 - 2nos 2. bushing to part no. 776517 -2nos 3. drive screw to part no. 77 0520- 2nos 4. valve magnet to part no. ii 5976/024 -1no 5. o ring to part no. 751374 -2nos 6. knorr-k-ring to p art no. 457353 -2nos 7. compression spring to part no. k3485 -2nos 8. knorr-k-ring to part no. 462575 -2nos 9. o ring to part no. k3074-2nos 10. exhaust filter to part no. a63797 -1no 11. valve head to part no. k4177 -2 n os 12. piston head to part no. 776506 -2nos 13. retaining ring internal to part no.755210 -2no 14. o ring to pa rt no. 756709- 2nos. 15. o ring to part no. 757233- 2nos 16. retaining ring zinc plated to part no.774390- 2no 17.filter screen to part no.774923-1no 18. spring compression to part no.775344- 2nos [ warranty period: 3 0 months after the date of delivery ] ]