Donaldson
Donaldson P551550
The Donaldson P551550 is a 3µm cellulose hydraulic filter element. It measures 3.7" OD x 2.44" ID x 4" long. Filtration efficiency is rated at 2 per ISO 16889. 14 verified cross-references are available from aftermarket manufacturers.
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What are the specifications of the Donaldson P551550?
Technical specifications for the Donaldson P551550 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 3µm |
| Media Type | Cellulose |
| Efficiency (ISO 16889) | 2 |
| Dimensions | |
| O.D. (inches) | 3.7" |
| I.D. (inches) | 2.44" |
| O.A.L. (inches) | 4" |
Last verified: February 2026
What replaces the Donaldson P551550?
14 verified replacements available from Hy-Pro, Delaware Manitou, FPC, Grainger, Norman and 1 more
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 P551550 is designed for use in hydraulic and lubrication filtration systems. With a 3µm rating, this element is suitable for servo valve protection and high-precision hydraulic systems.
Frequently Asked Questions
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