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Donaldson

Donaldson P171581

Industrial filter element

Verified Source
OD 5.51"L 15.75"ID 2.56"
Dimensional schematic from verified specifications

Donaldson P171581 specifications

The Donaldson P171581 is a 23µm cellulose filter element. It measures 5.51" OD x 2.56" ID x 15.75" long. Filtration efficiency is rated at β1000 ≥ 23 per ISO 16889. Collapse pressure rating is 145 PSID. 10 verified cross-references are available from aftermarket manufacturers. Specifications verified. Last reviewed: July 2026

Physical fit

Outer Diameter (O.D.)
5.51"OEM-published
Inner Diameter (I.D.)
2.56"OEM-published
Overall Length
15.75"OEM-published
Micron Rating
23µmOEM-published
Seal Material
Not yet verified from an OEM source
Connection / Thread
CartridgeOEM-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
Cellulose
Collapse Rating
145 PSID

About the Donaldson P171581

HYDRAULIC FILTER, CARTRIDGE

What replaces the Donaldson P171581?

10 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 NumberManufacturerMatch
HPMF4L16-10MBHy-ProVerified
DRE7A—Verified
CR8001—Verified
HHC11780—Verified
RE200CD1SofimaVerified
HF171581—Verified
D10800AN—Verified
HHC11680—Verified
SFMF4-16-12UMSwift FiltersSourced
33-5816FilterMartSourced
Get a quote on any of these →

Application & Compatibility

The DONALDSON P171581 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.

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 P171581?

The Donaldson P171581 has a 23µm micron rating with cellulose filter media, rated at β1000 ≥ 23 per ISO 16889.

What are the dimensions of the Donaldson P171581?

The Donaldson P171581 measures 5.51" OD, 2.56" ID, 15.75" overall length.

Is there a cross-reference for the Donaldson P171581?

Yes. There are 10 verified cross-references for the Donaldson P171581 from manufacturers including Hy-Pro, Sofima, Swift Filters, FilterMart. Contact VerifiedFilters for specific part numbers and availability.

What is the collapse pressure rating of the Donaldson P171581?

The Donaldson P171581 has a collapse pressure rating of 145 PSID. This indicates the maximum differential pressure the element can withstand without structural failure.

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.

Our verification standards →

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