2578422 3195647 1137478 Arm Boom Bucket Hydraulic Cylinder Excavator Arm Boom Bucket Seal Kit

2578422 3195647 1137478 Arm Boom Bucket Hydraulic Cylinder Excavator Arm Boom Bucket Seal Kit

Based on the part numbers 2578422, 3195647, and 1137478, these components are specifically designed as seal kits for the arm, boom, and bucket hydraulic cylinders used in excavators and loaders. The part number 2578422 corresponds to a seal kit for the boom hydraulic cylinder, ensuring leak-free operation during lifting tasks. Part number 3195647 is tailored for the arm cylinder, which controls the reach and digging angle of the equipment. Part number 1137478 serves as the bucket cylinder seal kit, critical for maintaining bucket curling force and material retention. For loader applications, these part numbers 2578422, 3195647, and 1137478 guarantee reliable sealing in high-pressure hydraulic systems. When replacing worn seals, always verify that part number 2578422 matches your boom cylinder, part number 3195647 fits the arm cylinder, and part number 1137478 suits the bucket cylinder. Regular inspection of part numbers 2578422, 3195647, and 1137478 prevents contamination ingress and fluid bypass in excavator hydraulic circuits. Each of these part numbers 2578422, 3195647, and 1137478 undergoes rigorous testing to withstand extreme pressures and temperatures. For optimal performance, pair part number 2578422 with compatible wiper seals, part number 3195647 with rod seals, and part number 1137478 with piston seals. Maintenance schedules should prioritize checking part numbers 2578422, 3195647, and 1137478 every 2000 operating hours.