4660570 Bucket Cylinder Seal Kit for Hitachi ZAXIS330/360/370 Hydraulic Repair | Factory Wholesale
As a specialized manufacturer of excavator hydraulic seal kits, we provide high-precision, factory-grade replacements for the heavy-duty Hitachi ZAXIS330, ZAXIS360, and ZAXIS370 series excavators. The Bucket Cylinder is the most exposed and heavily stressed component, crucial for digging and loading operations. Our BUCKET SEAL KIT, often cross-referenced with OEM part number 4660570, is the reliable, factory-direct solution for wholesale buyers seeking superior quality and value.
The Critical Need for a Premium 4660570 Bucket Seal Kit
The Bucket Cylinder operates under extreme breakout forces and is constantly exposed to abrasive materials like dirt, mud, and rock. Seal failure in this cylinder can lead to:
1.Loss of Breakout Force: Internal fluid bypass directly reduces the power available for digging, severely impacting productivity on the job site.
2.Rapid Contaminant Ingress: Failed wiper seals allow abrasive materials to enter the cylinder, leading to rapid wear of the rod and bore, which necessitates costly cylinder replacement.
3.Hydraulic Fluid Loss: External leaks are a common sign of seal failure, leading to fluid waste, environmental concerns, and machine downtime.
Our 4660570 Bucket Seal Kit is a complete, multi-component solution engineered for maximum durability and sealing performance, restoring the cylinder to its original specifications.
Technical Specifications and Wholesale Advantage
This seal kit is precision-matched to the Bucket Cylinder specifications of the specified Hitachi models:
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Key Specification
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Detail
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OEM Part Number
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4660570 (Common Cross-Reference)
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Cylinder Position
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Bucket Cylinder
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Rod Diameter
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95 mm (Common variant for ZX330-3)
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Bore Diameter
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140 mm (Common variant for ZX330-3)
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Applicable Models
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Hitachi ZX330, ZX350, ZX360, ZX370 (and -3G, -5G variants)
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Wholesale Benefits: We understand the needs of distributors and large maintenance companies. By sourcing the ZX-ZAXIS330 ZAXIS360 ZAXIS370 BUCKET SEAL KIT directly from our factory, you benefit from:
•Direct Quality Control: We control the entire production process, ensuring every seal meets stringent quality standards for material composition (e.g., high-performance PU and NBR) and dimensional accuracy.
•Competitive Bulk Pricing: Factory-direct sales eliminate unnecessary markups, providing you with the best possible wholesale price point for the 4660570 seal kit.

DJF: Your Reliable Source for Hitachi Seal Kits
For reliable, high-performance hydraulic repair solutions for heavy machinery, choose our factory-direct ZX-ZAXIS330 ZAXIS360 ZAXIS370 BUCKET SEAL KIT. We provide the quality, precision, and wholesale value that your business demands.
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Contact us today to discuss bulk order discounts and our comprehensive product catalog.
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