Z991733 RING;RETAINING HITACHI/LANDCROS for C20

Precision Axial Retention for Critical Assemblies – The Compact Component that Secures Gears, Bearings, and Shafts.
This genuine Hitachi retaining ring is a precision-formed snap ring that holds gears, bearings, and shafts in their precise axial positions within your excavator's transmissions, final drives, and hydraulic pumps. Available in multiple OEM configurations including 4251777 for ZX210LCN-G/ZX210LC-3, 0855210 for ZX200/ZX210/ZX240, 0422915 for EX60/EX100-5, 313979, and 0424960 for ZX330-3/ZX350K-3. Manufactured to exact groove dimensions, it delivers consistent clamping force without play or loosening under vibration and dynamic loads.

Robust Materials with Optimized Heat Treatment – Spring Steel Construction for Flexibility and Strength.
Manufactured from high-grade spring steel and precisely heat-treated, this genuine retaining ring delivers the ideal balance of radial tension, installation flexibility, and fatigue resistance. The carefully calculated lug design and uniform edge contour ensure positive engagement with the groove while resisting deformation during installation and removal. A corrosion-resistant finish provides long-term protection against moisture and chemicals, preserving the ring's spring properties over extended service intervals. Available in standard external and internal types (including round-wire and tapered-section configurations).