Donaldson
The Donaldson P778637 is an industrial process filter element manufactured by Donaldson. It measures 4.13" OD x 3.58" ID x 14.21" long. 6 verified cross-references are available from aftermarket manufacturers.
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6 Cross-References Available
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Technical specifications for the Donaldson P778637 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| O.D. (inches) | 4.13" |
| I.D. (inches) | 3.58" |
| O.A.L. (inches) | 14.21" |
Last verified: February 2026
6 verified cross-references available. All cross-references are reviewed for dimensional and performance compatibility.
These are equipment manufacturer part numbers that the Donaldson P778637 is a verified replacement for. The original part numbers may appear on equipment nameplates, service manuals, or OEM parts catalogs.
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The DONALDSON P778637 is designed for use in industrial filtration applications.
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Last verified: February 2026