Hydraulic pump overhaul kit. Contains valve chamber assemblies, pistons, & piston rings. Tractors: TO35 (s/n 179304 & up), MF35, MF50 (s/n 526837 & up), MF65, MF135, MF165 (using 190799M1 .91 diameter piston). Hole sizes: (B) 3/8 inch 9.5mm; (C) 7/16 inch 11.1mm; (D) 15/32 inch 11.9mm.
