Hydraulic pump overhaul kit with 892604M1 .91 piston rings for early model MK I pump for models 35 from s/n 65684, w/strainer, MF50, 65 Industrial 202, 203, 204 & 205

Hydraulic pump overhaul kit with 897493M1 .98 piston rings Late model MK I pump for early models 135, 150, 165,175 & 180

Hydraulic pump overhaul kit for the MK II & MK III pump with a 10 or 21 Spline shaft and 897493M1 .98 rings for late models 1085, 255, 265, 275, 285, 100, 200, 300 and 4200 series tractors with 21 Spline shaft