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RITO Hydraulic Pump Lines Tube 330-4655-Y CAT 320D 325D 330D 336D Excavator Main Pump Oil Pipe for Excavator

Pin-hole leaks and sudden high-pressure line bursts stall excavation schedules and unleash hazardous fluid spills. Fleet managers face soaring operational liabilities when low-tier hydraulic piping deforms or cracks under massive system pressure spikes. Stop costly fluid loss and terminal pump starvation with the heavy-walled 330-4655-Y line.

  • Item NO.:

    330-4655
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details
Secure your heavy-duty fluid transmission loops with the precision-bent 330-4655-Y main pump oil pipe. Custom-fabricated for CAT 320D, 325D, 330D, and 336D hydraulic systems, this steel tube guarantees leak-free volumetric efficiency, optimal flow velocity, and enduring system integrity.

330-4655 Hydraulic Pump Lines Tube

 
Product Specifications

Part Number  330-4655
Part Name Main Pump Hydraulic Lines Tube / Oil Pipe
Compatible Brand Caterpillar
Applicable Models CAT 320D, 325D, 330D, 336D
Application Excavator hydraulic system
Material High-Grade Carbon Steel Tubing
Product Color Matte Black
Working Temperature -40 to 125 Degrees Celsius
Key Function High-Pressure Hydraulic Fluid Transport and Directional Routing
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Pressure Seamless Wall Construction

Withstands extreme hydraulic system pressure spikes without expanding or developing structural stress fractures.

Leak-Free

Vibration-Dampening Geometry Profile

Pre-bent to exact OEM configurations to mitigate harmonic resonance and prevent joint fatigue under heavy loads.

Direct Fitment

Anti-Corrosive External Zinc Plating

Resists harsh environmental moisture, chemical exposure, and abrasive site debris to eliminate surface rust.

Rigorous Testing

Flawless Flange Port Sealing

Features precision-machined connection ends ensuring flush mounting interfaces that prevent high-pressure oil weeping.

 

Excavator Hydraulic Part

FAQ


Q: What are the primary fault symptoms indicating this hydraulic pump oil pipe needs immediate replacement?
A: Visible oil weeping near the fittings, wet dust accumulation along the tube surface, deep external scoring from structural rubbing, or sudden drops in hydraulic operating pressure point to localized wall thinning or hairline fatigue cracks.
 
Q: What are the critical technical installation requirements to ensure maximum service life?
A: Technicians must ensure all clamping brackets are correctly positioned and torqued to prevent line chafing. Clean the mating ports thoroughly and always replace the inner O-rings with new, fluid-compatible seals before bolting down the flanges.
 
Q: How can procurement managers verify exact fitment and compatibility before ordering?
A: Cross-reference your Caterpillar equipment configuration with part number 330-4655-Y. Because main pump layouts can vary by attachment configuration, confirming the specific hydraulic pump model or arrangement number with us guarantees a precise fit.
 
Q: How does this hydraulic main pump oil pipe perform under extreme mining environment conditions?
A: The high-yield steel tubing maintains full volumetric rigidity and ductile strength during drastic temperature swings. It actively prevents thermal expansion failure and structural splitting across tough working ranges from -40 to 125 Degrees Celsius.
 

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 Companie
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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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