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Donaldson

Donaldson P550066

The Donaldson P550066 is a 20µm cellulose engine & mobile filter element. It measures 5.04" OD x 1.06" ID x 5.59" long. Filtration efficiency is rated at β2 per ISO 16889. 12 verified cross-references are available from aftermarket manufacturers.

20µmCellulose

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Part NumberP550066
ManufacturerDonaldson
CategoryEngine & Mobile

What are the specifications of the Donaldson P550066?

Technical specifications for the Donaldson P550066 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.

SpecificationValue
Performance
Micron Rating20µm
Media TypeCellulose
Efficiency (ISO 16889)β2
Dimensions
O.D. (inches)5.04"
I.D. (inches)1.06"
O.A.L. (inches)5.59"

Last verified: February 2026

What replaces the Donaldson P550066?

12 verified replacements available

All cross-references are reviewed for dimensional and performance compatibility. Enter your info below to receive the full cross-reference report.

Application & Compatibility

The DONALDSON P550066 is designed for use in industrial filtration applications. Rated at 20µm.

Frequently Asked Questions

What micron rating is the Donaldson P550066?

The Donaldson P550066 has a 20µm micron rating with cellulose filter media, rated at β2 per ISO 16889.

What are the dimensions of the Donaldson P550066?

The Donaldson P550066 measures 5.04" OD, 1.06" ID, 5.59" overall length.

Is there a cross-reference for the Donaldson P550066?

Yes. There are 12 verified cross-references for the Donaldson P550066. Contact VerifiedFilters for specific part numbers and availability.

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