242-6840 Boom Cylinder Seal Kit for Caterpillar Excavators E-330D 336D Hydraulic Repair
As a specialized manufacturer of excavator hydraulic seal kits, we provide high-precision, factory-grade replacements for critical Caterpillar machinery. The Boom Cylinder on the CAT E330D and 336D series excavators is a high-load component essential for lifting and positioning. Our BOOM SEAL KIT, often cross-referenced with OEM part number 242-6840 or 250-2475, is the reliable, factory-direct solution for wholesale buyers seeking superior quality and value.
The Critical Need for a Premium 242-6840 Boom Seal Kit
The Boom Cylinder is subjected to continuous high pressure and friction. Seal failure in this cylinder can lead to:
1.Boom Drift and Instability: Internal fluid bypass compromises the cylinder’s ability to hold the boom steady, affecting safety and precision during heavy lifting.
2.Hydraulic Fluid Loss: External leaks result in costly fluid consumption and environmental concerns, often leading to machine downtime for cleanup and repair.
3.Reduced Lifting Capacity: Loss of pressure directly translates to a reduction in the excavator’s primary lifting and digging power, severely impacting site productivity.
Our 242-6840 Boom 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 Boom Cylinder specifications of the specified Caterpillar models:
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Key Specification
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Detail
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OEM Part Number
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242-6840 (Common Cross-Reference)
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Cylinder Position
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Boom Cylinder
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Rod Diameter
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105 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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Caterpillar E330D, 330D, 336D, 336D L, 345C, 349D
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Wholesale Benefits: We understand the needs of distributors and large maintenance companies. By sourcing the E-330D 336D BOOM 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 242-6840 seal kit.
DJF: Your Reliable Source for Caterpillar Seal Kits
For reliable, high-performance hydraulic repair solutions, choose our factory-direct E-330D 336D BOOM SEAL KIT. We provide the quality, precision, and wholesale value that your business demands.
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