Hydra part 441-025 is a piston tube wiper that cleans the piston rod or tube during operation, removing contaminants and preventing debris from entering the fluid section. A worn, damaged, or missing wiper can allow dirt and abrasives to reach seals and bearings, causing premature wear, fluid leaks, and reduced pump life. Replacing with this genuine piston tube wiper ensures effective contamination exclusion and reliable performance on compatible Hydra units.
| Part Number | 441-025 |
|---|---|
| Part Description | Piston Tube Wiper |
| Brand | Hydra |
| Fits |
|
| Condition | New |
The 441-025 Piston Tube Wiper is a critical sealing and exclusion component that cleans the piston rod or tube as it retracts into the housing. On Hydra M and Hydra Pro Super units, this wiper removes dirt, dust, and dried material that could otherwise enter the fluid section and cause damage to seals, bearings, and precision surfaces.
A worn, damaged, or missing wiper allows contaminants to bypass the primary seals, leading to accelerated wear, fluid leaks, loss of pressure, and premature pump failure. Replacing the wiper with a genuine 441-025 restores effective contamination exclusion, extends the life of internal components, and ensures reliable pump performance.
| Contamination exclusion | Removes dirt, dust, and debris from the piston rod before it enters the housing |
|---|---|
| Seal protection | Prevents abrasive particles from reaching and damaging primary seals |
| Extended component life | Reduces wear on piston rods, bearings, and cylinder walls |
| Visible wear | Wiper lip is worn, torn, or no longer contacts the rod |
|---|---|
| Hardening / cracking | Wiper material has become hard or cracked, reducing effectiveness |
| Debris on rod | Dirt or material visible on the piston rod after retraction |
| During seal replacement | Always replace the wiper when servicing pump seals |
Hydra part 441-025 is compatible with the following Hydra models. Always confirm fitment using the correct parts diagram for your exact machine.
| Brand / Model | Component |
|---|---|
| Hydra M | Piston Tube Wiper (441-025) |
| Hydra Pro Super | Piston Tube Wiper (441-025) |
When replacing the piston tube wiper, these related components are often inspected and replaced at the same time:
Inspect for scoring or wear that could damage the new wiper.
Replace seals at the same time to ensure complete fluid section service.
Check for damage or debris that could affect wiper fit.
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