Product name: John Deere Solenoid Valve
Part No: YZ591054
Model Number:For Excavators:35G 50G 60G 85G 135G 210G 260G 350G 370G
Loaders and Dozers:324G 325G 333G 544K 624K 644K 700K 750K
Skid Steer Loaders:316G 318G 332G
Material:Lron+Rubber
Packing:PP bag inside, carton box outside
Payment Terms:Western Union, L/C, T/T, MoneyGram, D/A, D/P
MOQ:Acceptable trial order
Shipping Mode:By air, by sea, by express(Fedex, UPS, DHL, TNT, etc.)
Place of Origin:Guangdong, China
Brand name:COGENG
CertifiCATEEion:ISO9001
Supply :500PCS
| Parameter |
Specification |
| COGENG Part Number |
COGENG-591054-SV |
| Replaces OEM Part No. |
John Deere YZ591054 |
| Voltage Rating |
12V/24V DC (±15%) |
| Current Consumption |
2.1A @ 12V, 1.05A @ 24V |
| Operating Pressure |
0-3500 PSI (0-241 bar) |
| Temperature Range |
-40°C to +120°C (-40°F to +248°F) |
| Fluid Compatibility |
Petroleum-based hydraulic fluids |
| Protection Rating |
IP67 |
| Connector Type |
2-pin DT connector |
| Body Material |
Brass with nickel plating |
| Coil Material |
Class H high-temperature |
| Dimensional Specifications |
|
|
| Dimension |
Value |
Tolerance |
| Overall Length |
138 mm |
±1.0 mm |
| Body Diameter |
45 mm |
±0.5 mm |
| Mounting Thread |
3/8" NPT |
Standard |
| Port Size |
1/4" NPT |
Standard |
| Electrical Lead Length |
350 mm |
±15 mm |
| Weight |
0.68 kg |
±0.05 kg |
Decompose pictures

Installation decomposition diagramPre-Installation Checks
Verify correct voltage specification for your equipment
Check electrical connector for corrosion or damage
Inspect hydraulic ports and threads
Ensure work area is clean and dry
Removal of Old Valve
Disconnect battery negative terminal
Label and disconnect electrical connector
Depressurize hydraulic system
Carefully remove old solenoid valve
Installation Steps
Clean mounting surface and port connections
Apply appropriate thread sealant
Install new solenoid valve and torque to specifications
Connect electrical connector securely
Reconnect battery terminal
Post-Installation Testing
Check for hydraulic leaks
Verify proper electrical operation
Test valve function through complete cycle
Monitor performance during initial operation
Torque Specifications:
Mounting threads: 35-40 Nm (26-30 ft-lbs)
Port connections: 20-25 Nm (15-18 ft-lbs)
Electrical connector: Hand-tighten until click
Maintenance and Troubleshooting
Regular Maintenance:
Inspect for leaks every 50 operating hours
Check electrical connections every 250 hours
Clean exterior surface regularly
Verify operation during routine service
Troubleshooting Guide:
Valve not operating: Check voltage supply and fuses
Slow response: Verify hydraulic pressure and fluid condition
Overheating: Check for excessive cycling or high ambient temperature
Leaking: Inspect seals and thread connections
Storage Recommendations:
Store in original packaging
Keep in dry, temperature-controlled environment
Protect from physical damage
Shelf life: 2 years from manufacture date
Frequently Asked Questions