Fairey Arlon

Fairey Arlon R921-Z-0803A

Industrial filter element

OEM ManufacturerAbsolute Rated

Representative illustration, not the actual part

Fairey Arlon R921-Z-0803A specifications

The Fairey Arlon R921-Z-0803A is a 3µm microglass (absolute) filter element. Filtration efficiency is rated at β ≥ 200 at rated micron (test standard not recorded). Seals are Nitrile (Buna-N). Operating temperature: -13°F to 250°F. 4 cross-references on file (2 verified, 1 sourced, 1 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: Nitrile (Buna-N)Inherited from cross-reference
Connection / Thread: Not yet verified from an OEM source

Performance: Fairey Arlon published values

These are Fairey Arlon's own published numbers. Performance specs differ by brand and are never inherited across cross-references.

Beta Ratio (test standard not recorded): β ≥ 200 at rated micronInherited from cross-reference
Media Type: Microglass (Absolute)
Operating Temperature: -13°F to 250°FInherited from cross-reference

What replaces the Fairey Arlon R921-Z-0803A?

4 cross-references on file (2 verified, 1 sourced, 1 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 Number	Manufacturer	Match
HP21L8-2MB	Hy-Pro	Verified
TT9021-8-3B	TTI	Verified
SF9021-8-3UM	Swift Filters	Sourced
HP8HL8-3MB	Hy-Pro	Transitive

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Application & Compatibility

The FAIREY ARLON R921-Z-0803A 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. Nitrile (Buna-N) seals provide compatibility with standard petroleum-based fluids and mineral oils.

Frequently Asked Questions

What micron rating is the Fairey Arlon R921-Z-0803A?

The Fairey Arlon R921-Z-0803A has a 3µm micron rating with microglass (absolute) filter media, rated at β ≥ 200 at rated micron (test standard not recorded).

What seal material does the Fairey Arlon R921-Z-0803A use?

The Fairey Arlon R921-Z-0803A uses Nitrile (Buna-N) seals.

Is there a cross-reference for the Fairey Arlon R921-Z-0803A?

Yes. 4 cross-references on file (2 verified, 1 sourced, 1 transitive) for the Fairey Arlon R921-Z-0803A from manufacturers including Hy-Pro, TTI, Swift Filters. A cross-reference is a fit-and-rating claim, not a performance or application approval. Contact VerifiedFilters for specific part numbers and availability.

What is the operating temperature range for the Fairey Arlon R921-Z-0803A?

The Fairey Arlon R921-Z-0803A is rated for -13°F to 250°F.

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.

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Labeled Cross-References

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

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