Donaldson
Donaldson P551381
The Donaldson P551381 is a 20µm cellulose engine & mobile filter element. It measures 4.69" OD x 3.86" ID x 7.83" long. Filtration efficiency is rated at 2 per ISO 16889. Collapse pressure rating is 149 PSID. 20 verified cross-references are available from aftermarket manufacturers.
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What are the specifications of the Donaldson P551381?
Technical specifications for the Donaldson P551381 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 20µm |
| Media Type | Cellulose |
| Efficiency (ISO 16889) | 2 |
| Collapse Rating | 149 PSID |
| Dimensions | |
| O.D. (inches) | 4.69" |
| I.D. (inches) | 3.86" |
| O.A.L. (inches) | 7.83" |
Last verified: February 2026
What replaces the Donaldson P551381?
20 verified replacements available from Parker
All cross-references are reviewed for dimensional and performance compatibility. Enter your info below to receive the full cross-reference report.
Application & Compatibility
The DONALDSON P551381 is designed for use in industrial filtration applications. Rated at 20µm.
The 149 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.
Frequently Asked Questions
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