VFVerifiedFilters

Hydac

Hydac HK003BN

The Hydac HK003BN is a 3µm microglass hydraulic filter element. It measures 3.85" OD x 1.61" ID x 9.25" long. Filtration efficiency is rated at β200 ≥ 3 per ISO 16889. Seals are BUNA, rated for -13°F to 250°F. Collapse pressure rating is 145 PSID. 4 verified cross-references are available from aftermarket manufacturers.

3µmMICROGLASSBUNA

Need the Exact OEM Part?

We can source and ship Hydac filters directly.

Want a Verified Alternative?

Get an equivalent filter with the same specs at a better price.

Part NumberHK003BN
ManufacturerHydac
CategoryHydraulic

What are the specifications of the Hydac HK003BN?

Technical specifications for the Hydac HK003BN filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.

SpecificationValue
Performance
Micron Rating3µm
Media TypeMICROGLASS
Efficiency (ISO 16889)β200 ≥ 3
Collapse Rating145 PSID
Flow DirectionOUTSIDE-IN
Operating Temperature-13°F to 250°F
Dimensions
O.D. (inches)3.85"
O.A.L. (inches)9.25"
I.D. (inches)1.61"
Seal MaterialBUNA

Last verified: February 2026

What replaces the Hydac HK003BN?

4 verified replacements available from TTI, Swift Filters

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

Application & Compatibility

The HYDAC HK003BN is designed for use in hydraulic and lubrication filtration systems. With a 3µm rating, this element is suitable for servo valve protection and high-precision hydraulic systems. BUNA seals provide compatibility with standard petroleum-based fluids and mineral oils.

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 Hydac HK003BN?

The Hydac HK003BN has a 3µm micron rating with microglass filter media, rated at β200 ≥ 3 per ISO 16889.

What are the dimensions of the Hydac HK003BN?

The Hydac HK003BN measures 3.85" OD, 1.61" ID, 9.25" overall length.

What seal material does the Hydac HK003BN use?

The Hydac HK003BN uses BUNA seals, rated for -13°F to 250°F.

Is there a cross-reference for the Hydac HK003BN?

Yes. There are 4 verified cross-references for the Hydac HK003BN from manufacturers including TTI, Swift Filters. Contact VerifiedFilters for specific part numbers and availability.

What is the collapse pressure rating of the Hydac HK003BN?

The Hydac HK003BN has a collapse pressure rating of 145 PSID. This indicates the maximum differential pressure the element can withstand without structural failure.

What is the operating temperature range for the Hydac HK003BN?

The Hydac HK003BN is rated for -13°F to 250°F, determined by its BUNA seals.

Need help finding this filter?

We have 4 verified replacements on file. Enter your info and we'll send you the full cross-reference report within 24 hours.

Verified Cross-References

352,000+ verified filter specifications

Fast Response

Quotes and answers within 24 hours

Expert Support

Real filtration specialists, not call centers