Slack Adjuster Assembly Upper [1]Rdso Drg.No.Skvl189 Alt-1 And 190 [1-9], [2]R Dso Mod. Sheet No. Mp.Mod.Vl 071301 Dt. 08-08-01.All Items Are Required As Per Rdsos Drawings, However,Only Block ( Item No.3 Of Rdso Drg.No.Skvl-189 Alt-1) Is Required As Per Clw Drawing No.0 6/4/19/147 Alt-1 Or Latest. [ Warranty Period: 30 Months After The Date Of Delivery ] ]