7079958260 707-99-58260 707-99-47600 7079947600 707-99-64230 7079964230 Boom Arm Bucket Hydraulic Cylinder Excavator Seal Kit

7079958260 707-99-58260 707-99-47600 7079947600 707-99-64230 7079964230 Boom Arm Bucket Hydraulic Cylinder Excavator Seal Kit

Version 1 (Boom & Arm Application Focus)

Excavator boom arm and bucket hydraulic cylinder repairs frequently specify the seal kit containing 7079958260, 707-99-58260, 707-99-47600, 7079947600, 707-99-64230, and 7079964230. The boom lift cylinder relies on 7079958260 (also listed as 707-99-58260) for primary rod sealing under heavy digging loads. When rebuilding the bucket tilt mechanism, part number 707-99-47600 (equivalent to 7079947600) ensures leak-free pivot operation. The arm crowd cylinder benefits from 707-99-64230, which is identical to 7079964230 in dimensions and material composition. Excavator hydraulic kits grouping 7079958260, 7079947600, and 7079964230 cover most pin-on bucket arrangements. The 707-99-58260 seal pairs with 707-99-47600 to create a complete boom cylinder refurbishment set. Operators servicing the bucket cylinder should verify that 7079958260 and 707-99-64230 are included before beginning disassembly.

Version 2 (Cross-Reference & Compatibility Focus)

For excavator loader hydraulic systems, the seal kit comprising 7079958260, 707-99-58260, 707-99-47600, 7079947600, 707-99-64230, and 7079964230 fits multiple cylinder bore diameters. The boom arm cylinder uses 707-99-58260 (the hyphenated version of 7079958260) to seal the piston rod neck. Bucket hydraulic cylinders require 7079947600, which is the six-digit form of 707-99-47600, for gland retention. Part number 7079964230, also written as 707-99-64230, seals the arm cylinder's counterbalance valve ports. When ordering an excavator seal kit, confirm that 7079958260 and 7079947600 match your cylinder serial number. The loader tilt function depends on 707-99-47600 and 707-99-64230 working together in tandem circuits. Field technicians cross-reference 7079958260, 707-99-58260, and 7079964230 when stock numbers vary between suppliers.