ARGO-HYTOS · Hydraulic Filters · return line

E 158-168 filter element: specifications & equivalents

The E 158-168 is a ARGO-HYTOS return-line hydraulic filter element, rated at 16 µm class. Verify against the current manufacturer data sheet before ordering.

Filtration rating 16 µm nom.
Line type return
Partially verified. Fit and grade trace to an official interchange document; dimensional values are compiled from 0 aftermarket listing(s) and must be confirmed against the manufacturer housing drawing. Confidence score 0.88.

Nominal pressure, bypass setting and rated flow are taken from the ARGO-HYTOS product portal. Verify port configuration and element compatibility against the current ARGO-HYTOS data sheet before ordering.

Specification table

ParameterValue
Filter type return line
Filtration rating 16 µm
Rating basis nominal
Rated flow 180 L/min
Integral bypass valve none (housing/valve-dependent)
Manufacturer part no. 13576601
Source catalog ARGO-HYTOS: ARGO-HYTOS product portal (portal.argo-hytos.com)
Last verified2026-09-28

Sources: ARGO-HYTOS — ARGO-HYTOS product portal (portal.argo-hytos.com) — accessed 2026-09-28.

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

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 E 158-168 model number is decoded

  • E 158-168ARGO-HYTOS return-suction filter assembly part number (Return Suction Filter) per the official product portal.
  • 16 µmPublished filter fineness (nominal rating as printed by ARGO-HYTOS).
  • 180 l/minRated flow of the filter assembly.
  • V3.0924-08Replacement filter element for this assembly.

Typical equipment & applications

  • Tank-top and in-line return filtration
  • Hydraulic power units and mobile machinery

Selection pitfalls — read before you substitute

  • A return-line element is not a pressure-line element: return cartridges (BN4HC low-collapse) tolerate roughly 20 bar differential, while BH4HC pressure executions are rated to 210 bar. Installing a low-collapse element in a pressure housing can rupture the media on cold-start spikes.
  • This element has no integral bypass — opening pressure is set by the housing’s reusable bypass valve. Confirm the valve setting (commonly 3.4 bar) is present before fitting.
  • “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).
  • 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 micron rating does E 158-168 use?
This element is rated 16 µm (nominal class). Always compare Beta ratings at the same test point: two brands may print different micron numbers for the same physical grade.
What replaces the E 158-168 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 E 158-168 part number?
See the designation decoder above: each segment of AHE158168 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.

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