Donaldson
Donaldson P572421
The Donaldson P572421 is a 4µm synteq xp hydraulic filter element. It measures 4.96" OD x 0.41" ID x 18.9" long. Filtration efficiency is rated at 1000 per ISO 16889. Collapse pressure rating is 145 PSID. 4 verified cross-references are available from aftermarket manufacturers.
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What are the specifications of the Donaldson P572421?
Technical specifications for the Donaldson P572421 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 4µm |
| Media Type | Synteq XP |
| Efficiency (ISO 16889) | 1000 |
| Collapse Rating | 145 PSID |
| Dimensions | |
| O.D. (inches) | 4.96" |
| I.D. (inches) | 0.41" |
| O.A.L. (inches) | 18.9" |
Last verified: February 2026
What replaces the Donaldson P572421?
4 verified replacements available from Denison
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 P572421 is designed for use in hydraulic and lubrication filtration systems. With a 4µm rating, this element is suitable for servo valve protection and high-precision hydraulic systems.
The 145 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 P572421?
What are the dimensions of the Donaldson P572421?
Is there a cross-reference for the Donaldson P572421?
What is the collapse pressure rating of the Donaldson P572421?
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