Parker
The Parker PR3948 is a 5µm microglass hydraulic filter element. It measures 3.12" OD x 1.7" ID x 8.39" long. Filtration efficiency is rated at β200 ≥ 4.5 per ISO 16889. Seals are VITON, rated for -13°F to 250°F. Collapse pressure rating is 305 PSID. 1 verified cross-reference is available from aftermarket manufacturers.
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Technical specifications for the Parker PR3948 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Micron Rating | 5µm |
| Media Type | MICROGLASS |
| Efficiency (ISO 16889) | β200 ≥ 4.5 |
| O.D. (inches) | 3.12" |
| I.D. (inches) | 1.7" |
| O.A.L. (inches) | 8.39" |
| Collapse Rating | 305 PSID |
| Seal Material | VITON |
| Flow Direction | OUTSIDE-IN |
| Operating Temperature | -13°F to 250°F |
Last verified: February 2026
1 verified cross-reference available from Hy-Pro. All cross-references are reviewed for dimensional and performance compatibility.
| Manufacturer | Part Number | Confidence |
|---|---|---|
| Hy-Pro | Request part number | Verified |
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Last verified: February 2026
The PARKER PR3948 is designed for use in hydraulic and lubrication filtration systems. With a 5µm rating, this element is suitable for servo valve protection and high-precision hydraulic systems. VITON seals provide compatibility with petroleum-based fluids, synthetic fluids, phosphate esters, and water-glycol mixtures.
The 305 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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