Donaldson
Donaldson P173521
Industrial filter element
Donaldson P173521 specifications
The Donaldson P173521 is a 23µm synthetic filter element. It measures 4.7" OD x 3.11" ID x 11.63" long. Filtration efficiency is rated at β1000 ≥ 23 per ISO 16889. 6 verified cross-references are available from aftermarket manufacturers. Specifications verified. Last reviewed: July 2026
Physical fit
- Outer Diameter (O.D.)
- 4.7"OEM-published
- Inner Diameter (I.D.)
- 3.11"OEM-published
- Overall Length
- 11.63"OEM-published
- Micron Rating
- 23µmOEM-published
- Seal Material
- Not yet verified from an OEM source
- Connection / Thread
- Spin-OnOEM-published
Performance: Donaldson published values
These are Donaldson's own published numbers. Performance specs differ by brand and are never inherited across cross-references.
- Efficiency (ISO 16889)
- β1000 ≥ 23
- Media Type
- Synthetic
About the Donaldson P173521
HYDRAULIC FILTER, SPIN-ON DURAMAX
What replaces the Donaldson P173521?
6 published cross-references on file. Select to expand.
What replaces the Donaldson P173521?
6 published cross-references on file. Select to expand.
A cross-reference confirms dimensional fit and micron rating, not performance equivalence. Beta ratio, collapse rating, media, and service life can differ between brands.
Published cross-references
| Part Number | Manufacturer | Match |
|---|---|---|
| 92719 | — | Verified |
| 3680336 | — | Verified |
| RE28965 | — | Verified |
| HF173521 | — | Verified |
| RE38965 | — | Verified |
| 28-0929 | FilterMart | Sourced |
Application & Compatibility
The DONALDSON P173521 is designed for use in hydraulic and lubrication filtration systems. With a 23µm rating, this element is suitable for pump and component protection in industrial hydraulic circuits.
Frequently Asked Questions
What micron rating is the Donaldson P173521?
What are the dimensions of the Donaldson P173521?
Is there a cross-reference for the Donaldson P173521?
How this entry is verified
Every specification on this page names its source: manufacturer documents first, distributor catalogs second, decoded part-number patterns labeled as such. When a value has not been verified from an OEM source, the cell says so. Cross-references are fit claims, never performance claims.
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