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MP Filtri · HP / CU / HPX Elements · pressure line

HP0504A03ANP01 filter element: specifications & equivalents

The HP0504A03ANP01 is a MP Filtri pressure-line hydraulic filter element, built with inorganic microfiber media, sized 50 × 208 mm OD × length (ID 24 mm), rated at 3 µm absolute. Verify against the current manufacturer data sheet before ordering.

Envelope OD × L 50 × 208 mm
Inside diameter 24 mm
Filtration rating 3 µm abs.
Media Inorganic microfiber
Collapse / burst 20 bar
Line type pressure
Catalog verified. Parameters extracted from the manufacturer’s electronic catalog / official interchange document and checked 2026-09-28. Confidence score 0.90.

Part number structure and orderable options are taken from the MP Filtri Hydraulic Filtration Catalogue (CAT_HF_HP_EN p.34). Element dimensions are approximate — sourced from MANN-FILTER / STAUFF / Fleetguard interchange equivalents, not from MP Filtri directly. Verify against the current MP Filtri data sheet before ordering.

Specification table

ParameterValue
Filter type pressure line
Media Inorganic microfiber
Filtration rating 3 µm
Rating basis absolute
Outside diameter OD 50 mm
Inside diameter ID 24 mm
Length 208 mm
End caps open-ended cartridge element
Collapse / burst pressure 20 bar
Integral bypass valve none (housing/valve-dependent)
Seal material Nitrile (Buna-N)
Source catalog MP Filtri: MP Filtri Hydraulic Filtration Catalogue
Last verified2026-09-28

Sources: MP Filtri — MP Filtri Hydraulic Filtration Catalogue — accessed 2026-09-29.

MP Filtri® and all model designations are trademarks of their respective owners, used here for identification only — ElementRef is an independent reference site, not an authorized MP Filtri distributor.

Dimensions & series range

Outside diameter50 mm (1.969 in)
Inside diameter24 mm (0.945 in)
Overall length208 mm (8.189 in)

All 50×208 mm interchange elements →

Cross references & equivalents

No catalog-verified cross references yet. This model is in the manual verification queue — request a verified equivalent.

Interchange levels: full catalog-confirmed drop-in · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.

How the HP0504A03ANP01 model number is decoded

  • HP050MP Filtri element series and size code for the matched high/medium-pressure housing family.
  • 4Element length code within the series.
  • A03Filter media: Inorganic microfiber, 3 µm (absolute rating per ISO 16889).
  • ASeals: NBR (nitrile).
  • NElement differential-pressure (collapse) rating: 20 bar standard execution.
  • P01MP Filtri standard catalogue item execution.

Typical equipment & applications

  • Pressure-line hydraulic filters upstream of control valves
  • High-differential-pressure industrial hydraulic circuits
  • Hydraulic power units for steel, paper and power generation

Selection pitfalls — read before you substitute

  • “10 µm nominal” and “12 µm at β1000” can describe the very same media — one is reported at β≥200, the other at β≥1000 per ISO 16889. Compare ratings at the same Beta test point, not just the printed micron number.
  • Nitrile (NBR) seals are standard for mineral hydraulic oil but fail early in some phosphate-ester fluids and at sustained high temperature; verify seal compound against the fluid data sheet (fluorocarbon/Viton executions may be required).
  • Fine 3 µm media loads faster and runs at a higher cold Δp than coarser grades — only downgrade cleanliness targets if the system ISO 4406 code allows it.
  • End-cap geometry and the number/position of O-rings block interchange even when OD and length match — visually compare end caps before fitting, especially with aftermarket cartridges.

Frequently asked questions

What are the dimensions of the HP0504A03ANP01 filter element?
The published envelope is 50 mm OD × 208 mm length with a 24 mm inside diameter (1.969 × 8.189 in × 0.945 in ID). Confirm against the housing drawing before ordering.
What micron rating does HP0504A03ANP01 use?
This element is rated 3 µm absolute. Always compare Beta ratings at the same test point: two brands may print different micron numbers for the same physical grade.
What replaces the HP0504A03ANP01 filter element?
Cross references are being verified for this model — use the inquiry form and the engineering desk will confirm equivalents.
How do I read the HP0504A03ANP01 part number?
See the designation decoder above: each segment of HP0504A03ANP01 encodes size, line type, filtration grade and media/collapse execution.
Is a same-envelope aftermarket element always a drop-in replacement?
No. Matching OD and length only proves the cartridge fits the bowl. End-cap style, seal compound, micron/Beta rating, collapse pressure and bypass configuration must also match; the table above tags every equivalent as full, partial or verify for exactly this reason.
How often should a hydraulic return-line element be replaced?
Replace at the housing manufacturer’s recommended differential-pressure setting (commonly signalled by a clogging indicator), or on a time-based service interval when no indicator is fitted — never wait for bypass to open continuously, because unfiltered oil then reaches the valves.

Same-envelope elements from other brands

View full interchange →

These 25 catalog element(s) share the 50×208 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.

R3.0521-08K1 ARGO-HYTOS · 16 µm V3.0521-05K1 ARGO-HYTOS · 7 µm 05.9800.12.200.10.E.P.8 Eaton / Internormen · 10 µm 05.9800.12.200.10.E.V.8 Eaton / Internormen · 10 µm 05.9800.25VG.10.E.P.8 Eaton / Internormen · 20 µm 05.9800.3VG.10.E.P.8 Eaton / Internormen · 5 µm 05.9800.6VG.10.E.P.8 Eaton / Internormen · 7 µm HF30462 Fleetguard HF30473 Fleetguard HF7104 Fleetguard

Other models in the HP / CU / HPX Elements series

All 435 →
CU1101A03ANP01 3 µm CU1101A06ANP01 6 µm CU1101A10ANP01 10 µm CU1101A16ANP01 16 µm CU1101A25ANP01 25 µm CU1101M25ANP01 25 µm CU1101M60ANP01 60 µm CU1101M90ANP01 90 µm CU1101P10ANP01 10 µm CU1101P25ANP01 25 µm

Reviewed & verified by the ElementRef engineering desk against MP Filtri on 2026-09-28. Read our editorial & correction policy.