Suffering from uneven barrel wear, sluggish variable displacement changes, or high friction drag inside your excavator's primary pump block? A pitted center guide ball shifts out of true alignment, causing the shoe retainer plate to tilt and destroying adjacent internal components. Re-establish seamless centering control and true balanced rotation by upgrading to the RITO 321705 main pump ball guide.
Item NO.:
321705Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSHeavy equipment parts vendors require dependable centering hardware to satisfy demanding quarry operators. The tough RITO 321705 centers the rotating group precisely to deliver smooth, vibration-free volumetric output under extreme structural stress. Keep your fleet active and lowering field maintenance expenses with our high-grade core component.

| Part Number | 321705 |
|---|---|
| Part Name | Main Pump Guide Ball Spherical Guide Excavator Pump Repair Parts |
| Compatible Brand | Tongmyung |
| Applicable Models | PC300-7, PC350-7, PC360-7 Excavators |
| Application | Excavator hydraulic system |
| Material | High‑strength Alloy Steel |
| Product Color | Polished Steel Metallic Silver |
| Working Temperature | -30°C to 115°C |
| Key Function | Aligning the cylinder barrel and retainer plate to maintain steady internal rotation |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Smooth outer finish lowers frictional heat to provide quiet variable tilt response.

Hardened outer layer protects against surface deformation and pitting under heavy loading cycles.

Manufactured strictly to universal standard metrics to provide straightforward internal pump reassembly.


FAQ
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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