VFVerifiedFilters

Parker

Parker HF21L3NQ

Industrial filter element

OEM Manufacturer
Representative illustration, not the actual part

Parker HF21L3NQ specifications

The Parker HF21L3NQ is a 3µm filter element. 11 cross-references on file (1 sourced, 10 transitive).

Physical fit

Outer Diameter (O.D.)
Not yet verified from an OEM source
Inner Diameter (I.D.)
Not yet verified from an OEM source
Overall Length
Not yet verified from an OEM source
Micron Rating
3µmInherited from cross-reference
Seal Material
Not yet verified from an OEM source
Connection / Thread
Not yet verified from an OEM source

What replaces the Parker HF21L3NQ?

11 cross-references on file (1 sourced, 10 transitive). 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.

Cross-references on file

Each row carries its own evidence status. Verified: confirmed against a source document. Sourced: taken from a published cross list, not independently confirmed. Transitive: derived through a chain of published crosses. None is an application-compatibility approval.

Part NumberManufacturerMatch
SF9020-4-3UMSwift FiltersSourced
P169429DonaldsonTransitive
HP8NL6-3MBHy-ProTransitive
P566195DonaldsonTransitive
P165041DonaldsonTransitive
02060902HydacTransitive
HC9020FCP4HPallTransitive
HC9020FKP4HPallTransitive
HC9020FUP4HPallTransitive
HC9020FDP4HPallTransitive
HP20L4-3MBHy-ProTransitive
Get a quote on any of these →

Application & Compatibility

The PARKER HF21L3NQ 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.

Frequently Asked Questions

What micron rating is the Parker HF21L3NQ?

The Parker HF21L3NQ has a 3µm micron rating.

Is there a cross-reference for the Parker HF21L3NQ?

Yes. 11 cross-references on file (1 sourced, 10 transitive) for the Parker HF21L3NQ from manufacturers including Swift Filters, Donaldson, Hy-Pro, Hydac. A cross-reference is a fit-and-rating claim, not a performance or application approval. Contact VerifiedFilters for specific part numbers and availability.

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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Labeled Cross-References

Every cross-reference on file carries its evidence status: verified, sourced, or transitive

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