MANN-FILTER · HD / WD Hydraulic · inline line
WD9601 filter element: specifications & equivalents
The WD9601 is a MANN-FILTER inline-line hydraulic filter element, sized 96 × 146 mm OD × length. Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 96 × 146 mm
Thread 1 1/8-16 UN-2B
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 | 96 mm |
| Length | 146 mm |
| Thread / connection | 1 1/8-16 UN-2B |
| End caps | spin-on baseplate with attached gasket |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | WD9601_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 | 96 mm (3.780 in) |
| Overall length | 146 mm (5.748 in) |
All 96×146 mm interchange elements →
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 57350 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists 57350 (WIX) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 57963 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists 57963 (WIX) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ BT9382 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists BT9382 (BALDWIN) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CS05040P10AD page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists CS-050-4-0-P10-A-D (FAI FILTRI) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FH3141 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists FH-3141 (FILDA FILTER) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HC5807 page in verification queue | Pall | partial | MANN-FILTER's online catalog lists HC-5807 (ADR) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ HF7553 | Fleetguard | partial | MANN-FILTER's online catalog lists HF7553 (FLEETGUARD/CUMMINS FILTRATION) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ HF7990 | Fleetguard | partial | MANN-FILTER's online catalog lists HF7990 (FLEETGUARD/CUMMINS FILTRATION) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HY813W page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists HY813W (HENGST) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ LFH5939 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists LFH5939 (LUBER-FINER) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P11343 page in verification queue | Donaldson | partial | MANN-FILTER's online catalog lists P11343 (FRAM) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P550542 page in verification queue | Donaldson | partial | MANN-FILTER's online catalog lists P550542 (DONALDSON) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P765543 page in verification queue | Donaldson | partial | MANN-FILTER's online catalog lists P765543 (DONALDSON) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH60207 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists SH 60207 (HIFI-FILTER (JURA FILTRATION)) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH60572 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists SH 60572 (HIFI-FILTER (JURA FILTRATION)) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SPH9615 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists SPH 9615 (SCHUPP / SF FILTER) as a comparison number for WD9601. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WGH9117 page in verification queue | Aftermarket | partial | MANN-FILTER's online catalog lists WGH 9117 (WOODGATE) as a comparison number for WD9601. 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 WD9601 model number is decoded
- WD9601MANN-FILTER hydraulic spin-on filter part number.
- 146 mmElement height (H).
- 96 mmOuter diameter (A).
- 1 1/8-16 UN-2BSpin-on mounting thread.
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 WD9601 filter element?
The published envelope is 96 mm OD × 146 mm length (3.780 × 5.748 in). Confirm against the housing drawing before ordering.
What replaces the WD9601 filter element?
17 partial match(es) requiring parameter review
How do I read the WD9601 part number?
See the designation decoder above: each segment of WD9601 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 2 catalog element(s) share the 96×146 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.
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.