Experiencing main pump overheating, sluggish attachment lifting, or severe system pressure drops across your left-circuit operations during heavy digging? Scored timing faces on your port plates let high-pressure fluid bleed off internally into the suction side, lowering volumetric efficiency and forcing your engine to work harder. Overhaul your hydraulic system timing core with the high-precision RITO 311502 left valve plate.
Item NO.:
311502Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSRebuild shops and global machinery parts distributors require durable fluid timing components that can handle continuous high-frequency piston tracking without surface scoring. Our premium RITO 311502 port plate features a bimetallic structure that provides excellent friction control and fluid sealing under full operating pressure. Keep this critical repair component in stock to ensure reliable, high-quality pump overhauls for your clients.

| Part Number | 311502 |
|---|---|
| Part Name | Valve Plate L For Excavator Spare Parts |
| Compatible Brand | Tongmyung |
| Applicable Models | HD450VII, EX100 Excavators utilizing A8V55 Series Pumps |
| Application | Excavator hydraulic system |
| Material | High-Hardness Alloy Steel |
| Product Color | Polished Steel Silver and Bright Golden Bronze |
| Working Temperature | -35°C to 125°C |
| Key Function | Providing precise fluid timing paths and high-pressure sealing within the left-circuit cylinder group |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Precision-polished face achieves a near-perfect fluid seal against the cylinder block face to stop pressure leakage.

Bonded bronze composition delivers excellent anti-galling protection during high-heat startup conditions.

Curved fluid port passages minimize hydraulic cavitation erosion and lower system operational noise.


FAQ
Q: What quality options are available?
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 :