Factory Wholesale 707-99-58090 Bucket 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 Bucket Cylinder on the Komatsu PC300-7 and PC360-7 series excavators is subjected to immense forces during large-scale digging and loading operations. Our BUCKET SEAL KIT, often cross-referenced with OEM part number 707-99-58090 or 707-99-59610, is the reliable, factory-direct solution for wholesale buyers seeking superior quality and value.
The Critical Need for a Premium 707-99-58090 Bucket Seal Kit
For heavy excavators like the PC300/PC360 series, the integrity of the Bucket Cylinder seals is paramount. Seal failure in this cylinder can lead to:
1.Severe Power Loss: Internal fluid bypass drastically reduces the machine’s breakout force, hindering performance on tough jobs.
2.Contaminant Ingress: Failed wiper seals allow abrasive materials to enter the cylinder, leading to rapid wear and potential catastrophic failure of the cylinder itself.
3.Costly Downtime: Given the size and cost of these machines, unexpected downtime for seal replacement or cylinder repair is extremely expensive.
Our 707-99-58090 Bucket 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 Bucket 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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707-99-58090 (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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110 mm (Common variant)
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Bore Diameter
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150 mm (Common variant)
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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 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, 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 707-99-58090 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 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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