WIX Filters · 57xxx · return line

57231 filter element: specifications & equivalents

Q: What are the dimensions of the 57231 filter element?

The published envelope is 105.9 mm OD × 464.8 mm length with a 10.4 mm inside diameter (4.169 × 18.299 in × 0.409 in ID). Confirm against the housing drawing before ordering.

The 57231 is a WIX Filters return-line hydraulic filter element, built with wire/glass media, sized 105.9 × 464.8 mm OD × length (ID 10.4 mm). Verify against the current manufacturer data sheet before ordering.

Envelope OD × L 105.9 × 464.8 mm

Inside diameter 10.4 mm

Media Wire/Glass

Line type return

Catalog verified. Parameters extracted from the manufacturer’s electronic catalog / official interchange document and checked 2026-09-28. Confidence score 0.90.

Specification table

Parameter	Value
Filter type	return line
Media	Wire/Glass
Rating basis	nominal
Outside diameter OD	105.9 mm
Inside diameter ID	10.4 mm
Length	464.8 mm
End caps	open-ended cartridge element (no baseplate)
Flow direction	outside-in
Integral bypass valve	none (housing/valve-dependent)
Seal material	Nitrile (NBR)
Manufacturer part no.	57231
Source catalog	WIX Filters (MANN+HUMMEL): WIX Filters online product catalog
Last verified	2026-09-28

Sources: WIX Filters (MANN+HUMMEL) — WIX Filters online product catalog — accessed 2026-09-26.

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

Dimensional drawing

Reference drawing generated from the source values cited on this page — nominal envelope, schematic section, not a manufacturer drawing. The PDF is A3 landscape and vector; the PNG is sized for a WhatsApp preview. Confirm thread, end caps, seal compound and micron/Beta grade against the original element before ordering.

Dimensions & series range

Outside diameter	105.9 mm (4.169 in)
Inside diameter	10.4 mm (0.409 in)
Overall length	464.8 mm (18.299 in)

All 106×465 mm interchange elements →

Cross references & equivalents

Equivalent model	Brand	Match level	Note
↔ HF35126	Fleetguard	partial	Fleetguard's online catalog lists 57231 as an interchange for HF35126. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting.

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.

Full chart: WIX Filters cross reference chart →

How the 57231 model number is decoded

57231WIX hydraulic cartridge element part number.
105.9 mm OD / 10.4 mm IDCartridge envelope (outside/inside diameter); no mounting thread.
Wire/GlassFilter media: Wire/Glass.

Typical equipment & applications

Mobile and industrial hydraulic return circuits
Construction and agricultural equipment
Heavy-duty transmission and torque-converter circuits

Selection pitfalls — read before you substitute

Line type is not interchangeable: return-line cartridges are low-collapse executions that typically tolerate roughly 10–20 bar differential, while pressure-line elements are commonly rated 100–210 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.
This execution uses nitrile (nbr) seals — verify the compound against the fluid data sheet: standard nitrile (NBR) can fail early in phosphate-ester fluids and at sustained high temperature, where 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 are the dimensions of the 57231 filter element?

The published envelope is 105.9 mm OD × 464.8 mm length with a 10.4 mm inside diameter (4.169 × 18.299 in × 0.409 in ID). Confirm against the housing drawing before ordering.

What replaces the 57231 filter element?

1 partial match(es) requiring parameter review

How do I read the 57231 part number?

See the designation decoder above: each segment of 57231 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 filter 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 37 catalog element(s) share the 106×465 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.

R722C10 Filtrec · 10 µm R722C10/1 Filtrec · 10 µm R722C10P Filtrec · 10 µm R722C10P1 Filtrec · 10 µm R722C25 Filtrec · 25 µm R722C25P Filtrec · 25 µm R722C25P1 Filtrec · 25 µm R722G03 Filtrec · 5 µm R722G03P Filtrec · 5 µm R722G06 Filtrec · 7 µm

Other models in the 57xxx series

All 221 →

57000 78×80 mm · 21 µm 57002 68×69 mm · 15 µm 57005 60×229 mm 57023 76×87 mm · 32 µm 57024 52×150 mm · 9 µm 57030 64×99 mm · 35 µm 57031 88×140 mm 57039 94×142 mm · 25 µm 57043 97×234 mm · 3 µm 57044 119×227 mm · 17 µm

Reviewed & verified by the ElementRef engineering desk against WIX Filters (MANN+HUMMEL) on 2026-09-28. Read our editorial & correction policy.