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RITO Cylinder Block Valve Plate K3V280 Hydraulic Pump Rotor Group Excavator Pump Barrel Repair Parts

Experiencing severe main pump chatter, overheating, or rapid pressure drop when your heavy excavator warms up? Scratched valve plates and loose barrel faces cause major internal oil slippage, dropping system output and overloading return lines with excessive heat. Restore factory performance standards using the RITO K3V280 cylinder block and valve plate group.

  • Item NO.:

    K3v280BD cylinder bl
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Wholesale buyers need heavy-duty pump rebuild kits that reliably solve hydraulic efficiency issues for mining customers. Our matched RITO K3V280 rotor group features perfectly paired mating surfaces to eliminate high-pressure fluid leaks. Upgrade your service kits with our precision-engineered core sets to ensure dependable pump overhauls.

K3v280BD cylinder block valve plate

 
Product Specifications

Part Number  K3V280 Block Group
Part Name Hydraulic Pump Rotor Group Barrel Valve Plate Repair Parts
Compatible Brand Handok
Applicable Models Heavy-duty mining size excavators using K3V280 pumps
Application Excavator hydraulic system
Material High‑strength Alloy Steel
Product Color Steel Metallic and Golden Bronze Finish
Working Temperature -40°C to 120°C
Key Function Heavy-duty mining size excavators using K3V280 pumps
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Matched Face Lapping

The cylinder block and valve plate are micro-lapped together to achieve a near-perfect fluid seal.

Leak-Free

Premium Antifriction Bronze

High-lead bronze layer ensures excellent sliding properties even under low-lubricated startup states.

Direct Fitment

Enlarged Oil Port Geometries

Optimized fluid passages reduce cavitation risks and stabilize flow during heavy cycles.

Rigorous Testing

 Multi-Tier Quality Options

We provide Original, OEM, and Premium Aftermarket grades, allowing distributors to meet diverse client budgets and performance needs.

 

Excavator Hydraulic Part

FAQ


Q: Fault Diagnosis: How can a technician tell if a K3V280 pump problem stems from the valve plate or the block face?
A: Severe scoring on either mating face indicates damage, but they always wear as a pair. Deep circular scoring tracks across the bronze port face mean that system contaminants have scratched the sealing surface, requiring a matched-set replacement.
 
Q: Installation Standards: What timing alignment rule must be followed when fitting the valve plate to the pump head cover?
A: The plate must align perfectly with the dowel pin positioning hole to ensure correct timing of the oil suction and delivery cycles. Reversing or misaligning the plate blocks fluid passages, causing instant pump destruction upon startup.
 
Q: Procurement Verification: How do procurement managers ensure this K3V280 kit matches their high-displacement main pumps?
A: Confirm that your existing pump tag specifies the 280cc displacement frame size. This rotor group is custom-tailored for large mining-class pump housings, separating it from the smaller 112cc or 140cc variations.
 
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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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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