707-99-67090 Arm Cylinder Seal Kit for Komatsu Excavators PC300-7 PC360-7
As a specialized manufacturer of excavator hydraulic seal kits, we provide high-precision, factory-grade replacements for heavy-duty Komatsu machinery. The Arm Cylinder (or Stick Cylinder) on the Komatsu PC300-7 and PC360-7 series excavators is a critical component that endures constant movement and high pressure during excavation. Our ARM SEAL KIT, often cross-referenced with OEM part number 707-99-67090 or 707-99-72300, is the reliable, factory-direct solution for wholesale buyers seeking superior quality and value.
The Critical Need for a Premium 707-99-67090 Arm Seal Kit
For heavy excavators like the PC300/PC360 series, the integrity of the Arm Cylinder seals is paramount for operational precision. Seal failure in this cylinder can lead to:
1.Arm Drift and Creep: Internal fluid bypass causes the arm to lose its position, making precise digging and loading impossible and potentially hazardous.
2.Loss of Hydraulic Efficiency: Leaking seals result in slower cycle times and increased fuel consumption as the hydraulic system works harder to maintain pressure.
3.Premature Component Wear: Failed wiper seals allow dust and debris to enter the cylinder, which can score the rod and bore, leading to catastrophic cylinder failure.
Our 707-99-67090 Arm Seal Kit is a complete, multi-component solution engineered for maximum durability and sealing performance under extreme pressure, restoring the cylinder to its original specifications.
Technical Specifications and Wholesale Advantage
This seal kit is precision-matched to the Arm Cylinder specifications of the specified Komatsu models:
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Key Specification
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Detail
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OEM Part Number
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707-99-67090 (Common Cross-Reference)
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Cylinder Position
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Arm Cylinder (Stick Cylinder)
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Rod Diameter
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110 mm
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Bore Diameter
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160 mm
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Applicable Models
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Komatsu PC300-7, PC300-8, PC350-7, PC360-7, PC360-8
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Wholesale Benefits: We understand the needs of distributors and large maintenance companies. By sourcing the PC300-7 PC360-7 ARM 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, suitable for heavy-duty applications.
•Competitive Bulk Pricing: Factory-direct sales eliminate unnecessary markups, providing you with the best possible wholesale price point for the 707-99-67090 seal kit.
DJF: Your Reliable Source for Komatsu Seal Kits
For reliable, high-performance hydraulic repair solutions for heavy machinery, choose our factory-direct PC300-7 PC360-7 ARM SEAL KIT. We provide the quality, precision, and wholesale value that your business demands.
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