| Attribute | Specification |
|---|---|
| COGENG Set Number | CG-SV-9218229-SET |
| Individual COGENG Numbers | CG-SV-9218229 CG-SV-0671301 |
| Replaces OEM Numbers | 9218229, 0671301 |
| Product Name | Hitachi Premium Solenoid Hydraulic Valve Set |
| Application | Hitachi Excavators: EX100-5, EX120-5, EX200-5 |
| Voltage Rating | 12V/24V DC (Model Specific) |
| Maximum Operating Pressure | 350 bar (5,000 PSI) |
| Flow Capacity | 25-60 L/min (Model Dependent) |
| Seal Material | Advanced Nitrile/HNBR Compound |
| Coil Insulation | Class H (180°C Rating) |
| Connection Type | ISO 4401 CETOP 5 (NG6) |
| Quality Standard | ISO 9001:2015, Exceeds OEM Specifications |
| Warranty | COGENG Limited 24-Month Warranty |
| NO | Number | Name | Qty |
| 1 | 9218255 | Solenoid HydraulicValve | 1 |
| 2 | Housing | 1 | |
| 3 | 9218229 | Solenoid HydraulicValve | 1 |
| 4 | Plug | 2 | |
| 4A | 3097791 | Plug | 1 |
| 4B | M800650 | Packing | 1 |
| 5 | Sleeve | 1 | |
| 5A | 3095747 | Sleeve | 1 |
| 5B | 4185600 | O-Ring | 1 |
| 5C | R99052 | O-Ring | 1 |
| 5D | 4163873 | O-Ring | 1 |
| 6 | 0670802 | O-Ring | 1 |
| 7 | 4484115 | Plate | 1 |
| 8 | T111645 | Screw | 2 |
| 34 | 4185600 | O-Ring | 1 |
| 35 | R99052 | O-Ring | 1 |
| 41 | 4484114 | O-Ring | 1 |
| 48 | T111645 | Screw | 2 |
Frequently Asked QuestionsQ: Why replace both 9218229 and 0671301 solenoids together on a Hitachi EX200-5?
A: These two solenoid valves work together within the EX-5's pilot control system. If one has failed due to contamination or electrical wear, the other is likely operating at reduced efficiency or nearing end of life. Replacing them as a matched set ensures balanced pilot pressure and prevents uneven implement response.
Q: What are symptoms of failing pilot solenoids on a Hitachi EX120-5?
A: Common signs include jerky or unresponsive boom/arm/bucket movements, specific functions lagging behind others, intermittent loss of fine control, or the machine failing to perform smooth grading operations. This solenoid set controls pilot oil flow to the main control valve spools.
Q: Will this set fit my Hitachi EX100-5 excavator?
A: Yes, the 9218229 & 0671301 solenoid valve set is a direct fit for Hitachi EX100-5, EX120-5, and EX200-5 excavators. Verify the part numbers stamped on your original valves to confirm exact fitment before ordering.
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