2578422 2976848-G 8T9042 Hydraulic Cylinder Excavator Arm Boom Bucket Seal Kit

2578422 2976848-G 8T9042 Hydraulic Cylinder Excavator Arm Boom Bucket Seal Kit

Based on the part numbers you provided—2578422, 2976848-G, and 8T9042—this hydraulic cylinder seal kit is specifically engineered for excavator arm, boom, and bucket applications. The 2578422 configuration ensures precise sealing within the boom cylinder, while 2976848-G targets the arm cylinder assembly to prevent fluid bypass. For loader and excavator hydraulic systems, 8T9042 serves as a critical component in bucket cylinder sealing. All three numbers, 2578422, 2976848-G, and 8T9042, are cross-referenced in heavy equipment seal kits. When rebuilding a worn cylinder, mechanics must verify 2578422 compatibility first, then check 2976848-G for the intermediate stage, and finally confirm 8T9042 for the rod seal. This triple-number kit ( 2578422