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Hy-Pro

Hy-Pro HPK1L9-3MB

The Hy-Pro HPK1L9-3MB is a 3µm nominal (β-rated, absolute 4µm) dualglass hydraulic filter element. It measures 3.88" OD x 9" long. Filtration efficiency is rated at β4000 per ISO 16889. Seals are Nitrile (Buna-N), rated for -45°F to 225°F. Collapse pressure rating is 1000 PSID. 1 verified cross-reference is available from aftermarket manufacturers.

3µm nominal (β-rated, absolute 4µm)DualglassNitrile (Buna-N)

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1 Cross-Reference Available

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Part NumberHPK1L9-3MB
ManufacturerHy-Pro
CategoryHydraulic

What are the specifications of the Hy-Pro HPK1L9-3MB?

Technical specifications for the Hy-Pro HPK1L9-3MB filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.

SpecificationValue
Performance
SeriesIn-Tank Filter Element (HF4 Automotive Compatible)
Media TypeDualglass
Micron Rating3µm nominal (β-rated, absolute 4µm)
Max Operating Pressure100 psi (6.9 bar)
Collapse Rating1000 PSID
Efficiency (ISO 16889)β4000
Operating Temperature-45°F to 225°F
Dimensions
Seal MaterialNitrile (Buna-N)
O.D. (inches)3.88"
O.A.L. (inches)9"
Additional
Filter TypeIn-Tank Element
Element Length9" (229 mm)
Beta Ratioβ5[C] ≥ 4000
Max Temperature225°F (107°C)

Last verified: February 2026

What replaces the Hy-Pro HPK1L9-3MB?

1 verified replacement available from FilterMart

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

Application & Compatibility

The HY-PRO HPK1L9-3MB is designed for use in hydraulic and lubrication filtration systems. With a 3µm nominal (β-rated, absolute 4µm) rating, this element is suitable for pump and component protection in industrial hydraulic circuits. Nitrile (Buna-N) seals provide compatibility with standard petroleum-based fluids and mineral oils.

The 1000 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 Hy-Pro HPK1L9-3MB?

The Hy-Pro HPK1L9-3MB has a 3µm nominal (β-rated, absolute 4µm) micron rating with dualglass filter media, rated at β4000 per ISO 16889.

What are the dimensions of the Hy-Pro HPK1L9-3MB?

The Hy-Pro HPK1L9-3MB measures 3.88" OD, 9" overall length.

What seal material does the Hy-Pro HPK1L9-3MB use?

The Hy-Pro HPK1L9-3MB uses Nitrile (Buna-N) seals, rated for -45°F to 225°F.

Is there a cross-reference for the Hy-Pro HPK1L9-3MB?

Yes. There is 1 verified cross-reference for the Hy-Pro HPK1L9-3MB from manufacturers including FilterMart. Contact VerifiedFilters for specific part numbers and availability.

What is the collapse pressure rating of the Hy-Pro HPK1L9-3MB?

The Hy-Pro HPK1L9-3MB has a collapse pressure rating of 1000 PSID. This indicates the maximum differential pressure the element can withstand without structural failure.

What is the operating temperature range for the Hy-Pro HPK1L9-3MB?

The Hy-Pro HPK1L9-3MB is rated for -45°F to 225°F, determined by its Nitrile (Buna-N) seals.

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