Hy-Pro
The Hy-Pro HP74L4-6MB is a 6µm g8 dualglass hydraulic filter element. It measures 3.75" OD x 4" long. Filtration efficiency is rated at β6 ≥ 4000 per ISO 16889. Seals are Nitrile (Buna-N), rated for -45°F to 225°F. Collapse pressure rating is 150 PSID. 33 verified cross-references are available from aftermarket manufacturers.
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Technical specifications for the Hy-Pro HP74L4-6MB filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 6µm |
| Media Type | G8 Dualglass |
| Efficiency (ISO 16889) | β6 ≥ 4000 |
| Collapse Rating | 150 PSID |
| Operating Temperature | -45°F to 225°F |
| Series | HP74 |
| Dimensions | |
| O.D. (inches) | 3.75" |
| O.A.L. (inches) | 4" |
| Seal Material | Nitrile (Buna-N) |
Last verified: February 2026
33 verified replacements available from Allison Transmission, Denison, EPE, Fairey Arlon, Fleetguard and 12 more
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The HY-PRO HP74L4-6MB is designed for use in hydraulic and lubrication filtration systems. With a 6µm 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 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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