Baldwin Filters · Form 561 Interchange · inline line
H9001 filter element: specifications & equivalents
The H9001 is a Baldwin Filters inline-line hydraulic filter element. Verify against the current manufacturer data sheet before ordering.
Line type inline
Partially verified. Fit and grade trace to an official interchange document;
dimensional values are compiled from 0 aftermarket listing(s)
and must be confirmed against the manufacturer housing drawing. Confidence score 0.80.
Form 561 is a cross-reference only — Baldwin prints no dimensions, micron rating, collapse pressure or seal data for this part number here. Verify every specification against the current Baldwin data sheet before ordering.
Specification table
| Parameter | Value |
|---|---|
| Filter type | inline line |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | H9001 |
| Source catalog | Baldwin Filters: Baldwin Filters Form 561 |
| Last verified | 2026-09-30 |
Sources: Baldwin Filters — Baldwin Filters Form 561 — accessed 2026-09-30.
Baldwin 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 Baldwin Filters distributor.
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 3830DGEV08 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists 3830DGEV08 (SET) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 8300EAL062F1 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists 8300EAL062F1 (PU) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 8300EAL062N1 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists 8300EAL062N1 (PFA) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ 927861Q | Parker | partial | Baldwin's Form 561 Number-Finder cross-reference lists 927861Q (PARKER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ A10608D06BNV page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists A10608D06BNV (HYDAC) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ A8024582 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists A8024582 (ORENSTEIN & KOPPEL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ ALHC8300FDN8H page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists ALHC8300FDN8H (PALL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ ALHC8300FDS8H page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists ALHC8300FDS8H (PALL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ ALHC8300FKN8Z page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists ALHC8300FKN8Z (PALL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ AP48FP22 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists AP48FP22 (GRAINGER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ AUSP100E05B page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists AUSP100E05B (STAUFF) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CO168300SH6SLS000V page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists CO168300SH6SLS000V (AF) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ E0410B1U10 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists E0410B1U10 (WESTERN FILTER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FGHF7137 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists FGHF7137 (GRE) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FIHY20200 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists FI HY20200 (SFF) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FLH95034 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists FLH95034 (LU) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ G4ZVH5 page in verification queue | Parker | partial | Baldwin's Form 561 Number-Finder cross-reference lists G4ZVH5 (GRAINGER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ GA927661 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists GA927661 (PARKER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ GA9314003 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists GA9314003 (PU) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ GA9398179 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists GA9398179 (EUCLID) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ GHF30060 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists GHF30060 (FLEETGUARD) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ GHF35183 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists GHF35183 (FLEETGUARD) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ GHF7001 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists GHF7001 (FLEETGUARD) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ GHF7002 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists GHF7002 (FLEETGUARD) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ GSF830086UM page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists GSF830086UM (SWI) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ H15265318 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists H15265318 (TER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HC8300FDN8Z page in verification queue | Pall | partial | Baldwin's Form 561 Number-Finder cross-reference lists HC8300FDN8Z (PALL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HC8300FKN8H page in verification queue | Pall | partial | Baldwin's Form 561 Number-Finder cross-reference lists HC8300FKN8H (PALL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ HF30060 | Fleetguard | partial | Fleetguard's online catalog lists H9001 as an interchange for HF30060. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ HF35183 | Fleetguard | partial | Fleetguard's online catalog lists H9001 as an interchange for HF35183. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HFR830060 page in verification queue | Fleetguard | partial | Baldwin's Form 561 Number-Finder cross-reference lists HFR830060 (FLEETRITE) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP83L86MB page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists HP83L86MB (HY-PRO) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP83L86MV page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists HP83L86MV (HY-PRO) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HRBE8300806AV page in verification queue | Donaldson | partial | Baldwin's Form 561 Number-Finder cross-reference lists HRBE8300806AV (BEHRINGER FLUID) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ ISLH4239 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists ISLH4239 (LUBER-FINER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ IXDT830088UM page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists IXDT830088UM (DONALDSON) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ KUF83008K6V page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists KUF83008K6V (FILTERMART) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ KUHC8300FUN8H page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists KUHC8300FUN8H (PALL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ KUHC8300FUN8Z page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists KUHC8300FUN8Z (PALL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ KUHC8300FUS8H page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists KUHC8300FUS8H (PALL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ KV0411B2C05 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists KV0411B2C05 (VIC) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ M168300SH6XLS000V page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists M168300SH6XLS000V (LS) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MARH0883LB05 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists MARH0883LB05 (AIR REFINER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MP927663 page in verification queue | MP Filtri | partial | Baldwin's Form 561 Number-Finder cross-reference lists MP927663 (PARKER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ NP164215 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists NP164215 (DONALDSON) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ NP164574 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists NP164574 (DO) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ NP164580 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists NP164580 (DO) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ NP566236 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists NP566236 (DO) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ NPMP3202 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists NPMP3202 (MPF) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ OLP83100HFB page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists OLP83100HFB (P.T.I.) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ ONPR2797 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists ONPR2797 (PARKER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ OWGPN8308 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists OWGPN8308 (WOO) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P0600812S71 page in verification queue | Donaldson | partial | Baldwin's Form 561 Number-Finder cross-reference lists P0600812S71 (FLUITEK) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PA9398179 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists PA9398179 (GENERAL MOTORS CORP.) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ QH8300A06V08 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists QH8300A06V08 (QUA) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ R430G06 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists R430G06 (FILTREC) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ R830H0806A page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists R830H0806A (FA) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RHFR835183 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists RHFR835183 (FLEETRITE) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RHFR87001 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists RHFR87001 (FL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RHFR87002 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists RHFR87002 (FL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RO94302 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists RO94302 (CARQUEST) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
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↔ RQ8830L06V08 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists RQ8830L06V08 (SEPARATION) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SB8300EAL122N1 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists SB8300EAL122N1 (PFA) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SBF83008S3B page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists SBF83008S3B (SCHROEDER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SBF83008S3V page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists SBF83008S3V (SCHROEDER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ SBF-8300-8Z5V | Schroeder Industries | partial | Baldwin's Form 561 Number-Finder cross-reference lists SBF83008Z5V (SCHROEDER) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ SP-100-E-05-B | STAUFF | partial | STAUFF Filter Interchange lists H9001 (BALDWIN) as replaced by SP-100-E-05-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ TP3I0593 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists TP3I0593 (CATERPILLAR) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ TP3I0618 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists TP3I0618 (CATERPILLAR) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ UH83008005BN page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists UH83008005BN (HY) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ UH83008005BNV page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists UH83008005BNV (HY) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ UH8308MCVL page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists UH8308MCVL (FIS) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ V0411V2C05 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists V0411V2C05 (VIC) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WHD16661 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists WHD16661 (MANN & HUMMEL) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WSP83100HFV page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists WSP83100HFV (P.T.I.) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ X2063465 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists X2063465 (HYDAC) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ XE9326796 page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists XE9326796 (PUROLATOR) as replaced by Baldwin H9001. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ XR430G06V page in verification queue | Aftermarket | partial | Baldwin's Form 561 Number-Finder cross-reference lists XR430G06V (FILTREC) as replaced by Baldwin H9001. Form/fit listing without published performance data — 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 H9001 model number is decoded
- H9001Baldwin filter part number per the Form 561 Number-Finder cross-reference.
Typical equipment & applications
- Hydraulic / transmission filtration — listed in the Baldwin Form 561 Number-Finder cross-reference.
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 replaces the H9001 filter element?
78 partial match(es) requiring parameter review
How do I read the H9001 part number?
See the designation decoder above: each segment of H9001 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 Form 561 Interchange series
All 1208 →Reviewed & verified by the ElementRef engineering desk against Baldwin Filters on 2026-09-30. Read our editorial & correction policy.