Scaled or scored piston bores allow massive pressure leaks, slowly killing your hydraulic system efficiency and driving up fuel costs. Swap out worn internals with the precision-ground RITO 138850 cylinder block assembly today.
Item NO.:
138850Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSThe RITO 138850 piston barrel delivers flawless sealing surfaces that easily restore original hydraulic pressure curves. Keep this critical service component in your inventory to fulfill urgent workshop repair requests instantly.

| Part Number | 138850 |
|---|---|
| Part Name | Hydraulic Pump Cylinder Block Rotor Group Excavator Piston Pump Repair Spare Parts |
| Compatible Brand | Tongmyung |
| Applicable Models | EX200-5, ZAX200 Excavators |
| Application | Excavator hydraulic system |
| Material | High‑strength Alloy Steel |
| Product Color | Polished Steel Silver |
| Working Temperature | -35°C to 115°C |
| Key Function | Housing piston shoes to generate hydraulic system volume flow |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Copper-alloy face layer offers exceptional anti-friction properties against the valve plate.

Built strictly to master blueprints for effortless rotating group restoration.

Built to handle continuous heavy-duty cyclic loading without structural stress cracking.


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
Leave A Message
Scan to wechat :