Part 235-021A is a replacement valve rod assembly used in hydraulic systems on compatible PowrLiner and PowrTwin equipment. This component transmits mechanical motion to control valves, regulating fluid flow and pressure. When the original rod becomes worn, bent, or corroded, replacement restores proper valve operation.
| Part Number | 235-021A |
|---|---|
| Part Description | Valve Rod Assembly |
| Brand | Universal |
| Fits | PowrLiner 4955, 6955, 8955; PowrLiner 4950; PowrLiner 6950; PowrLiner 6950_1; PowrTwin 4900 , 6900 , 8900, 12000 Plus; PowrTwin 6900 , 12000 Plus DI; PowrTwin 12000 Plus DI service |
| Condition | New |
The 235-021A valve rod assembly is a direct replacement control component for PowrLiner 4955, 6955, 8955, PowrLiner 4950, PowrLiner 6950, PowrLiner 6950_1, and multiple PowrTwin models including 4900, 6900, 8900, 12000 Plus, 6900, 12000 Plus DI, and 12000 Plus DI service equipment. This precision-machined rod transmits mechanical motion from an actuator, such as a solenoid, manual lever, or pilot section, to the valve spool or poppet within a hydraulic control valve. By moving the valve element, the rod controls the direction and flow of hydraulic fluid, governing machine functions like drive, lift, and auxiliary operations. A worn, bent, or corroded rod can cause valve sticking, improper flow, loss of function, or erratic machine behavior. This replacement assembly is manufactured to exact specifications for proper fit and smooth operation. It includes all necessary end fittings or attachment features for direct installation. Regular inspection of valve rods and related components helps identify wear before it leads to control issues.
| Motion transmission | Transfers force to valve spool or poppet |
|---|---|
| Flow control | Positions valve to regulate fluid flow |
| Function actuation | Enables machine drive and auxiliary functions |
| Bent rod | Rod deformation prevents smooth motion |
|---|---|
| Corrosion damage | Rust or pitting compromises movement |
| Worn ends | Attachment points worn, causing play |
| Erratic function | Machine response inconsistent |
Valve rod assembly 235-021A is compatible with the following models. Verify fit using your equipment's parts diagram.
| Compatible Models |
|---|
| PowrLiner 4955, 6955, 8955 |
| PowrLiner 4950; PowrLiner 6950; PowrLiner 6950_1 |
| PowrTwin 4900, 6900, 8900, 12000 Plus |
| PowrTwin 6900, 12000 Plus DI |
| PowrTwin 12000 Plus DI service |
When replacing the valve rod assembly, inspect these associated components to ensure proper valve function.
Check for wear or sticking.
Ensure proper operation and connection.
Replace if worn to prevent leaks.
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