Donaldson
Donaldson P555603
The Donaldson P555603 is a 2µm cellulose hydraulic filter element. It measures 4.6" OD x 2.19" ID x 5.29" long. Filtration efficiency is rated at 2 per ISO 16889. Collapse pressure rating is 200 PSID. 21 verified cross-references are available from aftermarket manufacturers.
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What are the specifications of the Donaldson P555603?
Technical specifications for the Donaldson P555603 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 2µm |
| Media Type | Cellulose |
| Efficiency (ISO 16889) | 2 |
| Collapse Rating | 200 PSID |
| Dimensions | |
| O.D. (inches) | 4.6" |
| I.D. (inches) | 2.19" |
| O.A.L. (inches) | 5.29" |
Last verified: February 2026
What replaces the Donaldson P555603?
21 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 P555603 is designed for use in hydraulic and lubrication filtration systems. With a 2µm rating, this element is suitable for servo valve protection and high-precision hydraulic systems.
The 200 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
What micron rating is the Donaldson P555603?
What are the dimensions of the Donaldson P555603?
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What is the collapse pressure rating of the Donaldson P555603?
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