324-0398 Hydraulic Cylinder Seal Kit 3240398 for CAT Backhoe and Wheel Loaders
324-0398 Seal Kit Product Overview
As a premier manufacturer of industrial sealing solutions, our factory is proud to offer the 324-0398 Hydraulic Cylinder Seal Kit, an expertly engineered aftermarket solution for Caterpillar (CAT) backhoe and wheel loaders. This comprehensive kit is specifically designed to service the lift cylinders on a range of popular CAT models, including the 432E, 432F, 434E, and 444F backhoe loaders, as well as the 930K and 938K wheel loaders. By utilizing advanced materials and precision manufacturing, the 324-0398 seal kit effectively restores hydraulic integrity, preventing fluid leaks, minimizing contamination, and ensuring the powerful, reliable performance of your heavy machinery. This kit is an essential asset for heavy equipment parts distributors, independent repair facilities, and large fleet operators seeking to maximize equipment uptime and operational efficiency.
Technical Specifications
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Specification
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Detail
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Part Number
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324-0398
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Applicable Models
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CAT Backhoe Loaders: 432E, 432F, 434E, 444F CAT Wheel Loaders: 930K, 938K
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Cylinder Application
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Lift Cylinder
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Condition
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New, Aftermarket Replacement
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Material Composition
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High-performance Polyurethane (PU), Nitrile Butadiene Rubber (NBR), Polytetrafluoroethylene (PTFE)
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Seal Kit Main Components
The 324-0398 Hydraulic Cylinder Seal Kit contains a full range of high-quality seals required for a complete cylinder rebuild:
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Component
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Function
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Rod Seals
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Creates a reliable seal between the cylinder rod and head, preventing external fluid leakage.
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Piston Seals
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Ensures optimal pressure containment within the cylinder for maximum lifting force.
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Wiper Seals
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Actively cleans the cylinder rod upon retraction, preventing dirt, debris, and moisture from entering the hydraulic system.
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Wear Rings
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Provides guidance and support for the piston and rod, preventing metal-to-metal contact and ensuring smooth operation.
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Buffer Seals
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Protects the primary rod seal from pressure spikes, enhancing system reliability and longevity.
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O-rings & Energizers
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Delivers dependable static and dynamic sealing across various internal components.
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Core Advantages
•OEM-Level Performance: Designed and manufactured to meet original equipment manufacturer (OEM) specifications, ensuring a perfect fit and flawless hydraulic function.
•Exceptional Durability: Fabricated from advanced materials that offer superior resistance to abrasion, high pressures, and extreme temperatures, guaranteeing a long and reliable service life.
•Leak-Free Operation: Restores the hydraulic system’s integrity, effectively stopping leaks to improve equipment safety, efficiency, and environmental compliance.
•Superior Contamination Defense: Provides a robust barrier against external contaminants, protecting sensitive hydraulic components from premature wear and failure.
•Economical Repair Solution: Offers a cost-effective alternative to expensive OEM parts, allowing for significant maintenance savings without sacrificing quality or performance.
•Streamlined Maintenance: Includes all necessary components for a complete lift cylinder reseal, simplifying the repair process and minimizing equipment downtime.

Frequently Asked Questions (FAQ)
Q: Do you have any other construction machinery loader model repair seal kits ?
A: Yes. As the professional seal kits manufacturer, we wholesale all the hydraulic cylinder repair seal kits, standard sizes and also support customization. Please tell us the part number seal kit you want.
Q: I can’t find the model I want. Are all your seal repair kits here?
A: No. We have more than tens of thousands seal kits. Here only a small part of them is shown. We have stock of all the seal kits for construction machinery. Please contact us!
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