Donaldson
Donaldson P551820
The Donaldson P551820 is a 30µm engine & mobile filter element. It measures 3.74" OD x 3.18" ID x 4.02" long. 3 verified cross-references are available from aftermarket manufacturers.
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3 Cross-References Available
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What are the specifications of the Donaldson P551820?
Technical specifications for the Donaldson P551820 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 30µm |
| Dimensions | |
| O.D. (inches) | 3.74" |
| I.D. (inches) | 3.18" |
| O.A.L. (inches) | 4.02" |
Last verified: February 2026
What replaces the Donaldson P551820?
3 verified replacements available from FilterMart
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 P551820 is designed for use in industrial filtration applications. Rated at 30µm.
Frequently Asked Questions
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