supply of overhauling kit , overhauling kit for magnet valve to nyab part no.i 94900/1024 consisting of 20 items for wd p4/wdg4 locos. 1. knorr- k-ring to part no. 457353 -1no 2. compression spring to part no. k3485 1no 3. kn orr- k-ring to part no. 462575 -2nos 4. o ring to part no.k3074 -1no 5. exhaust filter to part no. a63797 -1n o 6. valve head to part no. k4177 -1no 7. armature assembly to part no. 187533 - 1no 8. o ring to part no a47412-1no 9. o ring to part no.a95468-1 no. 10. compression spring to part no. k4059 -1no 11. o ring t o part no.k4140 -3 nos.12. o ring to part no.k4149-1no. 13.knorr-k-ring to part no.454928-1 no. 14. retaining ring to part no.464739-1 no. 15. retaining ring to part no.468687-1 no. 16. retaining ring to part no.468488-1no 17. name plate to part no.1.3.2201/6-1 no. 18. o ring to p art no.b78420-2 no. 19. guide bushing to part no.k3075-1 nos. 20. housing to part no.1177622- 1 no. [ warranty period: 30 months after the date of delivery ] ]