MANN-FILTER · HD / WD Hydraulic · inline line
HD4009X filter element: specifications & equivalents
The HD4009X is a MANN-FILTER inline-line hydraulic filter element, sized 42 × 89 mm OD × length (ID 21 mm). Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 42 × 89 mm
Inside diameter 21 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 | 42 mm |
| Inside diameter ID | 21 mm |
| Length | 89 mm |
| End caps | open-ended cartridge element |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HD4009X_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 | 42 mm (1.654 in) |
| Inside diameter | 21 mm (0.827 in) |
| Overall length | 89 mm (3.504 in) |
All 42×89 mm interchange elements →
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 40153 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists 40153 (FBO) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CDM101FV1 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists CDM 101-FV-1 (SOFIMA) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CM14003 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists CM 140/03 (FBO) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ D310G25A page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists D310G25A (FILTREC) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ EPA11NFD page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists EPA11NFD (UFI) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HEK8510090ASFG025LCB page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists HEK85-10.090-AS-FG025-LC-B (IKRON) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HHC46013 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists HHC46013 (IKRON) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HI205244 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists HI2.05244 (F.B.N.) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP0371A25NA page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists HP0371A25NA (MP FILTRI) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HY18260 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists HY 18260 (SCHUPP / SF FILTER) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P171703 page in verification queue | Donaldson | partial | MANN-FILTER's online catalog lists P171703 (DONALDSON) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH63903 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists SH 63903 (HIFI-FILTER (JURA FILTRATION)) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ V3032BV10 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists V3032BV10 (VICKERS) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WGH9415 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists WGH9415 (WOODGATE) as a comparison number for HD4009X. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WHE30226 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists WHE30226 (WISMET) as a comparison number for HD4009X. 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 HD4009X model number is decoded
- HD4009XMANN-FILTER hydraulic cartridge element part number.
- 89 mmElement height (H).
- 42 mmOuter diameter (A).
- 21 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 HD4009X filter element?
The published envelope is 42 mm OD × 89 mm length with a 21 mm inside diameter (1.654 × 3.504 in × 0.827 in ID). Confirm against the housing drawing before ordering.
What replaces the HD4009X filter element?
15 partial match(es) requiring parameter review
How do I read the HD4009X part number?
See the designation decoder above: each segment of HD4009X 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 9 catalog element(s) share the 42×89 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.
HD4008 HD4010 SME-015-E-03-B SME-015-E-05-B SME-015-E-10-B SME-015-E-20-B SME-015-S-10-B SME-015-S-25-B SME-015-S-60-B
Other models in the HD / WD Hydraulic series
All 880 →Reviewed & verified by the ElementRef engineering desk against MANN+HUMMEL / MANN-FILTER on 2026-09-28. Read our editorial & correction policy.