Machine Stable is an authorized distributor of the DEVELON brand under HD Hyundai.

DEVELON/DOOSAN 65.05401-5023 65.05405-6001 Relief Valve Assembly | OEM Hydraulic System Part
DESCRIPTION
PRODUCTS DESCRIPTION
The DEVELON/DOOSAN 65.05401-5023 and 65.05405-6001 relief valve assemblies are integral components designed to ensure optimal performance and safety in the hydraulic systems of heavy machinery. Manufactured to OEM specifications, these parts regulate hydraulic pressure, preventing system overload and potential damage, ensuring smoother and more reliable operation.
Built for durability, these relief valves are engineered to withstand high-pressure environments. Their precision construction helps improve efficiency and reduce downtime by minimizing the risk of hydraulic failure. The assembly is compatible with a range of DEVELON/DOOSAN machines, making it an essential part of any hydraulic system overhaul or maintenance routine.
TECHNICAL PARAMETER
| Item | Details |
|---|---|
| Brand | DEVELON DOOSAN |
| Place of Origin | Shandong, China |
| Warranty Period | 1 Year |
| Brand Name | DOOSAN DEVELON |
| Place of Origin | Shandong, China |
| Quality | High-Quality |
| Part Name | Relief Valve Assembly |
| Part Number | 65.05401-5023, 65.05405-6001 |
FAQ
Synertrade is the official distributor of Korea’s DEVELON full line of construction machinery, including excavators, wheel loaders, and rigid trucks. We also offer a wide range of genuine attachments such as buckets, hydraulic breakers, and grapples to meet diverse worksite needs.
Our equipment and attachments are primarily shipped via sea freight to ensure safe delivery to ports worldwide. For urgent or special orders, we can also arrange land or air transport. Full shipping tracking is provided for all orders.
Yes. We offer customization based on specific worksite requirements, including machine configurations, attachment selection, and additional features. Customers provide their requirements, and we deliver professional solutions and quotations.
The process is simple: choose the desired machine and attachments → contact our sales advisor to confirm specifications and pricing → sign the contract → arrange payment and sea shipment → delivery of equipment and attachments. Our team ensures smooth guidance at every step.
We provide DEVELON factory warranties, spare parts supply, maintenance guidance, and technical support. Whether it’s machine or attachment operation, maintenance, or troubleshooting, we ensure your equipment runs efficiently and reliably.










