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340813 Excavator Piston Shoe Retainer Plate ZAX400 ZAX470 SK400 E330D K5V200 Parts Hydraulic Pump Piston Shoe for Hitachi

Hydraulic pump failure due to a cracked retainer plate can paralyze your entire mining operation, leading to massive revenue loss. Standard plates often warp under extreme pressure, causing piston shoe separation. Our 340813 retainer plate offers superior fatigue resistance, ensuring pump stability and securing your project's uptime.

  • Item NO.:

    340813
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Precision-cast for K5V200 pumps, the 340813 plate is the ideal fit for ZAX400, SK400, and E330D excavators. It replaces weak OEM parts to restore hydraulic flow and pressure. Trust RITO’s high-strength alloy components to stabilize your fleet’s performance and drastically reduce your annual repair spend.

340813 PISTON SHOE

 
Product Specifications

Part Number  340813
Part Name Hydraulic Pump Piston Shoe Retainer Plate
Compatible Brand Tongmyung
Applicable Models ZAX400 ZAX470 SK400 E330D
Application Excavator hydraulic system
Material High‑strength Alloy Steel
Product Color Steel Gray
Working Temperature -30°C to 110°C
Key Function Piston Shoe Retention and Pump Cycle Stabilization
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Strength Alloy Casting

Manufactured from premium heavy-duty steel to resist cracking and deformation under the intense hydraulic pulsations of high-tonnage excavation.

Leak-Free

Precision Surface Parallelism

Features ultra-fine grinding to ensure perfect piston shoe alignment, reducing internal friction and heat buildup within the K5V200 pump.

Direct Fitment

Direct OEM Replacement

Engineered to exact 340813 tolerances, allowing for a seamless fit in Hitachi and Kobelco systems without the need for additional modifications.

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: What are the diagnostic signs that the 340813 retainer plate has failed?
A: Common symptoms include heavy metallic knocking sounds from the pump, a sudden drop in hydraulic pressure, or metal shavings found in the hydraulic filters. A warped or cracked 340813 plate will allow piston shoes to play loosely, leading to catastrophic internal pump damage if not replaced immediately.
 
Q: What are the critical technical requirements for installing a new retainer plate?
A: Before installation, check the swash plate and piston shoes for scoring. Ensure the 340813 plate is perfectly flat and free of burrs. During assembly of the K5V200 pump, verify the ball guide tension and ensure all internal components are pre-lubricated with clean hydraulic oil to prevent dry-start friction.
 
Q: How do I confirm the 340813 plate fits my specific excavator model?
A: This part is a direct match for the Kawasaki K5V200 main pump, found in ZAX400, ZAX470, SK400, and E330D models. To ensure 100% compatibility, cross-reference the part number 340813 or count the piston holes (9-hole configuration) and measure the center bore diameter against your old plate.
 
Q: How does this retainer plate perform in extreme mining or high-temperature cycles?
A: Our 340813 plate is thermally treated to maintain structural integrity in oil temperatures up to 105°C. The high-fatigue alloy resists the "brittle fracture" common in low-quality aftermarket parts during sub-zero starts or continuous high-pressure shifts in intense desert heat, ensuring long-term reliability.
 
Q: Can this plate be used in refurbished hydraulic pumps?
A: Yes, it is the preferred choice for professional workshops. The precision thickness of the 340813 plate ensures the correct "play" between the piston shoes and the swash plate, which is essential for restoring a used pump to its original factory performance levels.
 
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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