Replacement Hydraulic Cylinder Seal Kit Fits CATERPILLARR Excavator Models: 225 (Cylinder: 8J1719), 225B (Cylinder: 9J1755), 225D (Cylinder: 9J1755), 227 (Cylinder: 9J1755), 229 (Cylinder: 9J1755) Rod Size: 3 3/4”Boree Size: 6”Fits CAT: Stickk