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3195647 2578422 8T4772 Hydraulic Cylinder Excavator Arm Boom Bucket Seal Kit
Paragraph 2
Another essential reference is part number 2578422, which appears in technical manuals for hydraulic cylinder seal kits used in excavator boom and bucket linkages. Mechanics working on loader hydraulic seals frequently order 2578422 to restore arm cylinder performance. The design of 2578422 includes wear rings and buffer seals that withstand extreme digging forces. For aftermarket replacements, 2578422 is often compared with OEM parts to guarantee proper groove fit. Ultimately, selecting 2578422 ensures reliable sealing in both excavator arm and wheel loader bucket cylinders.
Paragraph 3
Part number 8T4772 is equally vital when discussing hydraulic cylinder seal kits for excavator arm, boom, and bucket systems. Technicians rebuilding loader hydraulic seals will recognize 8T4772 as a direct fit for tilt and lift cylinders. The material composition of 8T4772 resists abrasion from contaminated hydraulic oil. When ordering a complete seal kit, always confirm that 8T4772 includes rod seals, wipers, and O-rings. In field service reports, 8T4772 has demonstrated extended service life in severe-duty excavator and loader applications.
Paragraph 4
Combining these three part numbers—3195647, 2578422, and 8T4772—provides full coverage for an excavator’s arm, boom, and bucket hydraulic cylinder seal kit. For loader hydraulic seal refurbishment, 3195647 targets smaller bore cylinders while 2578422 suits larger piston diameters. Meanwhile, 8T4772 serves as the universal backup for intermediate-sized rods. Inventory managers should stock 3195647, 2578422, and 8T4772 separately to address different cylinder models. Each of these part numbers, 3195647, 2578422, and 8T4772, meets ISO 9001 standards for sealing efficiency.
Paragraph 5
To conclude, proper identification of part number 3195647, 2578422, and 8T4772 ensures successful installation of a hydraulic cylinder seal kit for excavator arm, boom, and bucket systems. When repairing loader hydraulic seals, always match 3195647 to the gland nut torque specifications. Similarly, 2578422 requires clean groove surfaces before insertion. Finally, 8T4772 should be lubricated prior to assembly. By repeatedly verifying 3195647, 2578422, and 8T4772, technicians prevent cross-contamination and premature seal failure in excavator and loader cylinders.
Guangzhou JRS Machinery Equipment Co.,Ltd since its inception in 2004, has been engaged in hydraulic seals business of excavators, loaders, bulldozers,breaking hammers and other seals have in-depth study. Through more than 15 years of efforts, JRS has accumulated a large number of domest... Guangzhou JRS Machinery Equipment Co.,Ltd since its inception in 2004, has been engaged in hydraulic seals business of excavators, loaders, bulldozers,breaking hammers and other seals have in-depth study. Through more than 15 years of efforts, JRS has accumulated a large number of domest...
