MANN-FILTER · HD / WD Hydraulic · inline line

HD440 filter element: specifications & equivalents

Q: What are the dimensions of the HD440 filter element?

The published envelope is 43 mm OD × 49 mm length with a 22 mm inside diameter (1.693 × 1.929 in × 0.866 in ID). Confirm against the housing drawing before ordering.

The HD440 is a MANN-FILTER inline-line hydraulic filter element, sized 43 × 49 mm OD × length (ID 22 mm). Verify against the current manufacturer data sheet before ordering.

Envelope OD × L 43 × 49 mm

Inside diameter 22 mm

Line type inline

Catalog verified. Parameters extracted from the manufacturer’s electronic catalog / official interchange document and checked 2026-09-28. Confidence score 0.92.

Dimensions and comparison numbers are taken from the MANN-FILTER online catalog API. Beta rating, collapse pressure and seal material vary by execution — verify against the current MANN data sheet before ordering.

Specification table

Parameter	Value
Filter type	inline line
Outside diameter OD	43 mm
Inside diameter ID	22 mm
Length	49 mm
End caps	open-ended cartridge element
Integral bypass valve	none (housing/valve-dependent)
Manufacturer part no.	HD440_MANN-FILTER
Source catalog	MANN+HUMMEL / MANN-FILTER: MANN-FILTER online product catalog GraphQL API (mann-filter.com, store pcat_mf_en_store_en)
Last verified	2026-09-28

Sources: MANN+HUMMEL / MANN-FILTER — MANN-FILTER online product catalog GraphQL API (mann-filter.com, store pcat_mf_en_store_en) — accessed 2026-09-27.

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

Dimensions & series range

Outside diameter	43 mm (1.693 in)
Inside diameter	22 mm (0.866 in)
Overall length	49 mm (1.929 in)

Cross references & equivalents

Equivalent model	Brand	Match level	Note
↔ CF06540322 page in verification queue	Aftermarket	partial	MANN-FILTER's online catalog lists CF 065 4 0322 (FAI FILTRI) as a comparison number for HD440. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting.
↔ FH3028 page in verification queue	Aftermarket	partial	MANN-FILTER's online catalog lists FH3028 (FILDA FILTER) as a comparison number for HD440. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting.
↔ HY91302 page in verification queue	Aftermarket	partial	MANN-FILTER's online catalog lists HY 9130/2 (SCHUPP / SF FILTER) as a comparison number for HD440. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting.
↔ SH60133 page in verification queue	Aftermarket	partial	MANN-FILTER's online catalog lists SH 60133 (HIFI-FILTER (JURA FILTRATION)) as a comparison number for HD440. 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.

How the HD440 model number is decoded

HD440MANN-FILTER hydraulic cartridge element part number.
49 mmElement height (H).
43 mmOuter diameter (A).
22 mmInner diameter (B).

Typical equipment & applications

Replacement element for OEM hydraulic filter housings

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).
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 HD440 filter element?

The published envelope is 43 mm OD × 49 mm length with a 22 mm inside diameter (1.693 × 1.929 in × 0.866 in ID). Confirm against the housing drawing before ordering.

What replaces the HD440 filter element?

4 partial match(es) requiring parameter review

How do I read the HD440 part number?

See the designation decoder above: each segment of HD440 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.

Other models in the HD / WD Hydraulic series

All 880 →

HD10001 103×482 mm HD10002 99×177 mm HD10004 99×141 mm HD10006 99×155 mm HD10007 99×218 mm HD10008 99×218 mm HD10011X 99×210 mm HD10012X 99×330 mm HD10013 100×438 mm HD10014 99×155 mm

Reviewed & verified by the ElementRef engineering desk against MANN+HUMMEL / MANN-FILTER on 2026-09-28. Read our editorial & correction policy.