RH418-71490 Arm & Dipper Cylinder Seal Kit for Kubota Excavators
RH418-71490 Product Overview
As a leading manufacturer of high-quality hydraulic seal kits, our factory proudly presents the RH418-71490 Seal Kit, a robust and reliable solution engineered for Kubota mini excavators. This premium aftermarket kit is specifically designed to restore optimal sealing performance in the arm and dipper cylinders of popular models such as the Kubota U27-4 and U27-4CA. Manufactured with precision and using durable materials, this seal kit effectively prevents hydraulic fluid leakage, protects against contamination, and ensures the smooth, powerful operation of your excavator’s critical hydraulic functions. Ideal for heavy equipment parts suppliers, repair shops, and fleet maintenance teams, our RH41871490 seal kit guarantees extended component life and reduced downtime for your machinery.
Technical Specifications
Specification | Detail |
Part Number | RH418-71490, RH41871490 |
Applicable Models | Kubota U27-4, U27-4CA Mini Excavators |
Cylinder Application | Arm Cylinder, Dipper Cylinder |
Condition | New, Aftermarket Replacement |
Material Composition | High-grade Polyurethane (PU), Nitrile Butadiene Rubber (NBR), PTFE |
RH418-71490 Seal Kit Components
Component | Function |
Rod Seals | Prevents external leakage along the cylinder rod. |
Piston Seals | Ensures efficient pressure separation within the cylinder. |
Wiper Seals | Keeps contaminants out by cleaning the rod surface. |
Wear Rings | Guides the piston and rod, preventing metal-to-metal contact. |
Buffer Seals | Absorbs pressure spikes and protects the rod seal. |
O-rings | Provides static and dynamic sealing in various applications. |
Core Advantages
•Precision Fit & Performance: Engineered to exact OEM specifications for seamless integration and reliable hydraulic function.
•Enhanced Durability: Constructed from premium materials resistant to abrasion, high pressure, and temperature fluctuations.
•Cost-Effective Solution: Offers a high-quality, long-lasting repair at a competitive price, minimizing operational expenses.
•Broad Compatibility: Services multiple popular Kubota mini excavator models, simplifying inventory for distributors and repair centers.

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