Donaldson
The Donaldson P778399 is an industrial process filter element manufactured by Donaldson. It measures 6.08" OD x 3.48" ID x 11.52" long. 4 verified cross-references are available from aftermarket manufacturers.
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4 Cross-References Available
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Technical specifications for the Donaldson P778399 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Media Type | Cellulose |
| O.D. (inches) | 6.08" |
| I.D. (inches) | 3.48" |
| O.A.L. (inches) | 11.52" |
Last verified: February 2026
4 verified cross-references available. All cross-references are reviewed for dimensional and performance compatibility.
These are equipment manufacturer part numbers that the Donaldson P778399 is a verified replacement for. The original part numbers may appear on equipment nameplates, service manuals, or OEM parts catalogs.
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Last verified: February 2026
The DONALDSON P778399 is designed for use in industrial filtration applications.
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