bids are invited for compressors mse piston ring replacement kit , rider ring diameter 470 mm , rider ring diameter 280 mm , packing ring with spring , castle nut m10 , castle nut m16 , air suction filter element , o ring for valve cover , o ring for unloader lp , unloader o ring hp , dowel pin , piston assly.d.280 -solid type , piston nut , piston assembly , metallic hose 80 nb , door for cylinders , suction valve assy i stage , suction valve assy ii stage , discharge valve assy i stage , discharge valve assy ii stage , motor pulley , main bearing , thrust ring , oil seal packing seal , taper lock bush , bearing big end , small end bushing on cross head , cross head pin at small end , lube oil cooler assembly , valve seat assembly suction , center stud suction valves , dowel pin for valve , valve seat assembly , center stud for delivery valves , spring , buffer plate , anti vibration mount , valve service kit suction , valve service kit , reciprocating air compressors - electric motor driven total quantity : 909