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Donaldson

Donaldson P171556

Verified SourceAbsolute Rated
OD 5.51"L 7.98"ID 2.05"
Dimensional schematic
Micron
23µm
Media
Synthetic
O.D.
5.51"
I.D.
2.05"
Length
7.98"
Efficiency
β1000 ≥ 1000
Collapse
145 PSID

HYDRAULIC FILTER, CARTRIDGE

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3 verified cross-references — see what replaces this →
Part Number
P171556
Manufacturer
Donaldson

Donaldson P171556 specifications

The Donaldson P171556 is a 23µm synthetic filter element. It measures 5.51" OD x 2.05" ID x 7.98" long. Filtration efficiency is rated at β1000 ≥ 1000 per ISO 16889. Collapse pressure rating is 145 PSID. 3 verified cross-references are available from aftermarket manufacturers. Specifications verified. Last reviewed: May 2026

Performance

Micron Rating
23µm
Media Type
Synthetic
Efficiency (ISO 16889)
β1000 ≥ 1000
Collapse Rating
145 PSID

Dimensions

O.D. (inches)
5.51"
I.D. (inches)
2.05"
O.A.L. (inches)
7.98"
Connection Type
Cartridge

What replaces the Donaldson P171556?

3 verified cross-references on file. A cross-reference confirms dimensional fit and micron rating — not performance equivalence. Beta ratio, collapse rating, media, and service life can differ between brands.

Part NumberManufacturerMatch
CR32503—Verified
140120—Verified
RE80FV1SofimaVerified
Get a quote on any of these →

Application & Compatibility

The DONALDSON P171556 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 P171556?

The Donaldson P171556 has a 23µm micron rating with synthetic filter media, rated at β1000 ≥ 1000 per ISO 16889.

What are the dimensions of the Donaldson P171556?

The Donaldson P171556 measures 5.51" OD, 2.05" ID, 7.98" overall length.

Is there a cross-reference for the Donaldson P171556?

Yes. There are 3 verified cross-references for the Donaldson P171556 from manufacturers including Sofima. Contact VerifiedFilters for specific part numbers and availability.

What is the collapse pressure rating of the Donaldson P171556?

The Donaldson P171556 has a collapse pressure rating of 145 PSID. This indicates the maximum differential pressure the element can withstand without structural failure.

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