Donaldson
The Donaldson P566191 is a 25µm synthetic fuel filter element. It measures 7.44" OD x 4.86" ID x 22" long. Filtration efficiency is rated at 1000 per ISO 16889. Collapse pressure rating is 100 PSID.
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Technical specifications for the Donaldson P566191 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Micron Rating | 25µm |
| Media Type | Synthetic |
| Efficiency (ISO 16889) | 1000 |
| O.D. (inches) | 7.44" |
| I.D. (inches) | 4.86" |
| O.A.L. (inches) | 22" |
| Collapse Rating | 100 PSID |
Last verified: February 2026
The DONALDSON P566191 is designed for use in industrial filtration applications. Rated at 25µm.
The 100 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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