Hy-Pro
The Hy-Pro HP81L4-15MB is a 12µm dualglass hydraulic filter element. It measures 1.99" OD x 1.989" ID x 4" long. Filtration efficiency is rated at β4000 per ISO 16889. Seals are Nitrile (Buna-N), rated for -45°F to 225°F. Collapse pressure rating is 3000 PSID. 51 verified cross-references are available from aftermarket manufacturers.
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Technical specifications for the Hy-Pro HP81L4-15MB filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 12µm |
| Media Type | Dualglass |
| Efficiency (ISO 16889) | β4000 |
| Collapse Rating | 3000 PSID |
| Operating Temperature | -45°F to 225°F |
| Dimensions | |
| O.D. (inches) | 1.99" |
| I.D. (inches) | 1.989" |
| O.A.L. (inches) | 4" |
| Seal Material | Nitrile (Buna-N) |
Last verified: February 2026
51 verified replacements available from Baldwin, Denison, EPE, Fairey Arlon, Filtersoft and 12 more
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The HY-PRO HP81L4-15MB is designed for use in hydraulic and lubrication filtration systems. With a 12µm rating, this element is suitable for proportional valve protection and general hydraulic systems. Nitrile (Buna-N) seals provide compatibility with standard petroleum-based fluids and mineral oils.
The 3000 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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