Fleetguard · HF Hydraulic · inline line
HF30321 filter element: specifications & equivalents
The HF30321 is a Fleetguard inline-line hydraulic filter element. Verify against the current manufacturer data sheet before ordering.
Line type inline
Catalog verified. Parameters extracted from the manufacturer’s electronic
catalog / official interchange document and checked 2026-09-28. Confidence score 0.90.
Specifications and cross-references are taken from the Fleetguard online catalog API. Where both TWA and Beta ratings are published the conventions differ — verify cleanliness targets, collapse rating and seal configuration against the current Fleetguard data sheet before ordering.
Specification table
| Parameter | Value |
|---|---|
| Filter type | inline line |
| End caps | open-ended cartridge element |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF30321 |
| Source catalog | Cummins Filtration / Fleetguard: Fleetguard online product catalog (fleetguard.com) |
| Last verified | 2026-09-28 |
Sources: Cummins Filtration / Fleetguard — Fleetguard online product catalog (fleetguard.com) — accessed 2026-09-28.
Fleetguard® and all model designations are trademarks of their respective owners, used here for identification only — ElementRef is an independent reference site, not an authorized Fleetguard distributor.
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 10326R12BN page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 10326R12BN as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 1269064 page in verification queue | UFI | partial | Fleetguard's online catalog lists 1269064 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 168400H10650YP page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 168400H10650YP as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 168400VH10SLS000P page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 168400VH10SLS000P as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 2840L12B26 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 2840L12B26 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 30435 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 30435 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 306541 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 306541 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 3840DGHB26 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 3840DGHB26 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 5840010VG10BP26 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 5840010VG10BP26 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 5840010VG10PB26 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 5840010VG10PB26 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 584001220010BP26 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 584001220010BP26 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 5840012VG10BP26 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 5840012VG10BP26 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 6004045 page in verification queue | UFI | partial | Fleetguard's online catalog lists 6004045 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 7621565 page in verification queue | UFI | partial | Fleetguard's online catalog lists 7621565 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 8840L12B26 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 8840L12B26 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ 933228Q | Parker | partial | Fleetguard's online catalog lists 933228Q as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ BE84002612A page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists BE84002612A as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FC1363Q010BS page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FC1363Q010BS as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FFPAVL11134C10ABS page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FFPAVL11134C10ABS as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ H8025 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists H8025 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ H840026010BN page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists H840026010BN as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ H8426MDBL page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists H8426MDBL as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ HC8400FCS26H | Pall | partial | Fleetguard's online catalog lists HC8400FCS26H as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HC8400FDS26H page in verification queue | Pall | partial | Fleetguard's online catalog lists HC8400FDS26H as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ HC8400FKS26H | Pall | partial | Fleetguard's online catalog lists HC8400FKS26H as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HC8400FUS26H page in verification queue | Pall | partial | Fleetguard's online catalog lists HC8400FUS26H as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP84L2612MB page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HP84L2612MB as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MF0062961 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists MF0062961 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P84200KFB page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P84200KFB as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PR4207Q page in verification queue | Parker | partial | Fleetguard's online catalog lists PR4207Q as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ R444G10 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists R444G10 as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ RP-240-E-10-B | STAUFF | partial | Fleetguard's online catalog lists RP240E10B as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SBF840026S7B page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SBF840026S7B as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ SBF-8400-26Z10B | Schroeder Industries | partial | Fleetguard's online catalog lists SBF840026Z10B as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SF84002612UM page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SF84002612UM as an interchange for HF30321. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WGPS8426 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WGPS8426 as an interchange for HF30321. 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 HF30321 model number is decoded
- HF30321Fleetguard HF-series hydraulic cartridge element part number.
Typical equipment & applications
- Construction, agricultural and industrial hydraulic circuits
- Mobile-equipment hydraulic return and pressure lines
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 HF30321 filter element?
36 partial match(es) requiring parameter review
How do I read the HF30321 part number?
See the designation decoder above: each segment of HF30321 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 HF Hydraulic series
All 2621 →Reviewed & verified by the ElementRef engineering desk against Cummins Filtration / Fleetguard on 2026-09-28. Read our editorial & correction policy.