G 35540 BACK UP - CONTROL VALVE (GENUINE)

The G 35540 Genuine CNH Back-Up Ring is a critical sealing component used in the hydraulic control valve systems of Case 580 K, L, M, and Super series backhoe loaders.
This back-up ring supports the O-ring and prevents extrusion under high hydraulic pressure, ensuring proper sealing performance and long service life.

Built according to CNH Genuine material and dimensional standards, this component provides excellent durability, chemical resistance, and stability even in demanding work environments such as excavation, loading, and heavy hydraulic operations.

Compatible Models

• Case 580 K

• Case 580 K Series 2

• Case 580 K Series 3

• Case 580 Super K

• Case 580 L

• Case 580 L Series 2

• Case 580 Super L

• Case 580 Super L Series 2

• Case 580 M

• Case 580 Super M

Features & Benefits

• Supports the O-ring to prevent extrusion

• Enhances sealing reliability under high pressure

• Reduces internal leakage and improves control valve stability

• Manufactured to CNH Genuine specifications

• Ideal for heavy-duty hydraulic applications

G 35540（CNH 原装）控制阀 Back-up Ring 支撑环，用于 Case 580 K、L、M 及 Super 系列挖掘装载机的液压控制阀系统。

Back-up Ring 的功能是支撑 O-ring，避免其在高油压下被挤出，从而确保密封效果稳定，减少泄漏，并延长 O-ring 与控制阀本体的使用寿命。
本产品依照 CNH 原厂标准制造，具备耐压、耐磨损、耐液压油等特性，适用于重载工况如挖掘、起升、摆动等。

适用机型

• Case 580 K

• Case 580 K Series 2

• Case 580 K Series 3

• Case 580 Super K

• Case 580 L

• Case 580 L Series 2

• Case 580 Super L

• Case 580 Super L Series 2

• Case 580 M

• Case 580 Super M

产品优势

• 支撑 O-ring，防止高压挤出

• 提升密封稳定性、防止泄漏

• 改善控制阀运作与液压稳定性

• 完全符合 CNH 原厂规格

• 耐压、耐油、适合重型作业环境