Donaldson
Donaldson P550639
The Donaldson P550639 is a 12µm engine & mobile filter element. It measures 4.45" OD x 8.94" long. Collapse pressure rating is 145 PSID. 12 verified cross-references are available from aftermarket manufacturers.
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12 Cross-References Available
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What are the specifications of the Donaldson P550639?
Technical specifications for the Donaldson P550639 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 12µm |
| Collapse Rating | 145 PSID |
| Dimensions | |
| O.D. (inches) | 4.45" |
| O.A.L. (inches) | 8.94" |
Last verified: February 2026
What replaces the Donaldson P550639?
12 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 P550639 is designed for use in industrial filtration applications. Rated at 12µm.
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 P550639?
What are the dimensions of the Donaldson P550639?
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What is the collapse pressure rating of the Donaldson P550639?
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