WIX Filters · 57xxx · return line

57309 filter element: specifications & equivalents

The 57309 is a WIX Filters return-line hydraulic filter element, sized 99.8 × 469.3 mm OD × length (ID 46.9 mm). Verify against the current manufacturer data sheet before ordering.

Envelope OD × L 99.8 × 469.3 mm
Inside diameter 46.9 mm
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

ParameterValue
Filter type return line
Rating basis nominal
Outside diameter OD 99.8 mm
Inside diameter ID 46.9 mm
Length 469.3 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. 57309
Source catalog WIX Filters (MANN+HUMMEL): WIX Filters online product catalog
Last verified2026-09-28

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

57309 — FILTER ELEMENTWIX Filters · 57xxx · return line · dimensional reference drawingFRONT VIEWTOP VIEW469.3 mmØ99.8 mmØ99.8Ø46.9 boreTECHNICAL DATAElement typereturn lineSealNitrile (NBR)Outside dia. OD99.8 mmInside dia. ID46.9 mmLength469.3 mmEnd capsopen-ended cartridge element (no baseplate)WIX Filters (MANN+HUMMEL) — WIX Filters online product catalog, accessed 2026-09-26NOTES1. Dimensions in millimetres, nominal values as cited in the source line above; manufacturing tolerances and interface details per the manufacturer data sheet.2. Schematic section derived from catalog data — not a manufacturer drawing. Confirm thread, end caps, seal compound and micron/Beta grade against the original element before ordering.3. ElementRef is an independent reference database; not affiliated with, authorised or endorsed by WIX Filters.ELEMENTREF · 57309DWG NO.ER-57309-DWG-01DATA DATE2026-09-28SCALE1:2.8REV.A
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 diameter99.8 mm (3.929 in)
Inside diameter46.9 mm (1.846 in)
Overall length469.3 mm (18.476 in)

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.

Full chart: WIX Filters cross reference chart →

How the 57309 model number is decoded

  • 57309WIX hydraulic cartridge element part number.
  • 99.8 mm OD / 46.9 mm IDCartridge envelope (outside/inside diameter); no mounting thread.
  • Filter media: null.

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 57309 filter element?
The published envelope is 99.8 mm OD × 469.3 mm length with a 46.9 mm inside diameter (3.929 × 18.476 in × 1.846 in ID). Confirm against the housing drawing before ordering.
What replaces the 57309 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 57309 part number?
See the designation decoder above: each segment of 57309 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.

Other models in the 57xxx series

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