Wholesalers, agents and mine clients face frequent hydraulic power failures triggered by deformed, leaky generic valve plates, bringing long machine downtime and high after-sales compensation costs. This 188-4166 heavy-duty hydraulic repair plate is tailor-made for Cat 336D excavators for open-pit mining and large earthworks. Ultra-precise CNC flat processing eliminates cross oil leakage, cuts maintenance frequency and provides full batch test documents for bulk procurement.
Item NO.:
188-4166Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSContinuous heavy mining loads deform low-standard plates rapidly, causing unstable driving power and costly production halts for end operators, while distributors waste capital on ill-fitting spare part inventory. Our robust 188-4166 plate acts as core maintenance component to seal high-pressure hydraulic oil passages. OEM matching dimension with three quality tiers lowers stocking risks and supports fast mass shipment for global dealers and mine factories.
| Parameter Item | Specification Data |
|---|---|
| Product Name | Hydraulic Maintenance Repair Plate |
| Part Number | 188-4166 |
| Compatible Equipment | Caterpillar 336D Excavator |
| Product Color | Matte silver metal finish |
| Working Ambient Temperature | -22℃ to +58℃ |
| Hydraulic Fluid Operating Temperature | -8℃ to +78℃ |
| Core Function | Seal internal hydraulic oil passages to maintain stable driving power for hydraulic device overhaul |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Consistent thickness, mounting holes and oil channel distribution for Cat 336D; no cutting or polishing needed during hydraulic power unit overhaul.

High tensile metal material withstands sustained high hydraulic pressure and thermal deformation to avoid internal fluid cross leakage in long heavy shifts.

Genuine OEM, aftermarket equivalent and remanufactured versions are in stock to cover different budget demands of wholesalers and mining customers.

Smooth precision machined surface closely mates with gaskets, stabilizes excavator driving power and reduces sudden breakdowns on quarry and mine sites.

FAQ
A:Fluctuating excavator driving power, internal hydraulic cross leakage, excessive pump heat and rising fuel consumption; deformed plates cannot be fixed only by replacing sealing gaskets.
A: Fully clear metal residues inside power unit cavity before assembly; fasten fixing bolts evenly per factory torque sequence; use matched gaskets to prevent partial pressure leakage.
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
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