Diagnetics
The Diagnetics HPN308B25 is a 9µm hydraulic filter element. It measures 3.13" OD x 1.7" ID x 8.2" long. 3 verified cross-references are available from aftermarket manufacturers.
Request a Quote
Request a quote for this filter element.
3 Cross-References Available
See which OEM filters this product replaces.
Technical specifications for the Diagnetics HPN308B25 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 9µm |
| Media Type | Pending verification |
| Efficiency (ISO 16889) | Pending verification |
| Collapse Rating | Pending verification |
| Dimensions | |
| O.D. (inches) | 3.13" |
| I.D. (inches) | 1.7" |
| O.A.L. (inches) | 8.2" |
| Seal Material | Pending verification |
Last verified: February 2026
3 verified replacements available from Donaldson, Hy-Pro, Swift Filters
All cross-references are reviewed for dimensional and performance compatibility. Enter your info below to receive the full cross-reference report.
The DIAGNETICS HPN308B25 is designed for use in hydraulic and lubrication filtration systems. With a 9µm rating, this element is suitable for proportional valve protection and general hydraulic systems.
We have 3 verified replacements on file. Enter your info and we'll send you the full cross-reference report within 24 hours.
352,000+ verified filter specifications
Quotes and answers within 24 hours
Real filtration specialists, not call centers