Donaldson
Donaldson P551801
The Donaldson P551801 is a 20µm engine & mobile filter element. It measures 4.22" OD x 1.69" ID x 2.3" long. Filtration efficiency is rated at 75 per ISO 16889. 1 verified cross-reference is available from aftermarket manufacturers.
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What are the specifications of the Donaldson P551801?
Technical specifications for the Donaldson P551801 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 20µm |
| Efficiency (ISO 16889) | 75 |
| Dimensions | |
| O.D. (inches) | 4.22" |
| I.D. (inches) | 1.69" |
| O.A.L. (inches) | 2.3" |
Last verified: February 2026
What replaces the Donaldson P551801?
1 verified replacement available from Solberg
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 P551801 is designed for use in industrial filtration applications. Rated at 20µm.
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