Hy-Pro
The Hy-Pro HP904L8-1AB is an industrial hydraulic filter element manufactured by Hy-Pro. It measures 8" long. Filtration efficiency is rated at β4000 per ISO 16889. Seals are Nitrile (Buna), rated for -45°F to 225°F. Collapse pressure rating is 150 PSID. 1 verified cross-reference is available from aftermarket manufacturers.
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Technical specifications for the Hy-Pro HP904L8-1AB filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Efficiency (ISO 16889) | β4000 |
| Media Type | Glass fiber w/water removal media |
| Collapse Rating | 150 PSID |
| Operating Temperature | -45°F to 225°F |
| Series | HP904L |
| Micron Rating | Pending verification |
| Dimensions | |
| O.A.L. (inches) | 8" |
| Seal Material | Nitrile (Buna) |
| O.D. (inches) | Pending verification |
| I.D. (inches) | Pending verification |
Last verified: February 2026
1 verified replacement available from Pall
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The HY-PRO HP904L8-1AB is designed for use in hydraulic and lubrication filtration systems. Nitrile (Buna) seals provide compatibility with standard petroleum-based fluids and mineral oils.
The 150 PSID collapse rating indicates the maximum differential pressure this element can withstand during cold starts or bypass conditions without structural failure. Ensure your system's maximum differential pressure does not exceed this rating.
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