Fleetguard · HF Hydraulic · inline line
HF29251 filter element: specifications & equivalents
The HF29251 is a Fleetguard inline-line hydraulic filter element, built with microglass media, sized 93.5 × 320 mm OD × length (ID 48.6 mm). Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 93.5 × 320 mm
Inside diameter 48.6 mm
Beta rating 3 µm at β200(c); 4.5 µm at β1000(c) per ISO 16889
Media Microglass
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 |
| Media | Microglass |
| Beta ratio | 3 µm at β200(c); 4.5 µm at β1000(c) per ISO 16889 |
| Outside diameter OD | 93.5 mm |
| Inside diameter ID | 48.6 mm |
| Length | 320 mm |
| End caps | open-ended cartridge element |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF29251 |
| 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.
Dimensions & series range
| Outside diameter | 93.5 mm (3.681 in) |
| Inside diameter | 48.6 mm (1.913 in) |
| Overall length | 320 mm (12.598 in) |
All 94×320 mm interchange elements →
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 2062368 page in verification queue | UFI | partial | Fleetguard's online catalog lists 2062368 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 330X301 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 330X301 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 370L320A page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 370L320A as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 370L3FFA page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 370L3FFA as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 370Z320A page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 370Z320A as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 370Z3FFA page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 370Z3FFA as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 60312D03BN page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 60312D03BN as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 830X301 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 830X301 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ D34B03GAV page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists D34B03GAV as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ D932G03AV page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists D932G03AV as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ DE0372B3C03 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists DE0372B3C03 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ DE0372V3C03 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists DE0372V3C03 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ G03389 page in verification queue | Parker | partial | Fleetguard's online catalog lists G03389 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ H370Z3003BN page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists H370Z3003BN as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HAC6265FEC13H page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HAC6265FEC13H as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HAC6265FEC13Z page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HAC6265FEC13Z as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP37L133MB page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HP37L133MB as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP37L133MV page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HP37L133MV as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MF0509312 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists MF0509312 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MF509312 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists MF509312 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MP10508 page in verification queue | MP Filtri | partial | Fleetguard's online catalog lists MP10508 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P173043 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P173043 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P567029 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P567029 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PFA370133GV page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PFA370133GV as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PR3389 page in verification queue | Parker | partial | Fleetguard's online catalog lists PR3389 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ PT23348-MPG | Baldwin Filters | partial | Fleetguard's online catalog lists PT23348MPG as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SF370DN1325UMV page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SF370DN1325UMV as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SF370DN133UMV page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SF370DN133UMV as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ V0372B3C03 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists V0372B3C03 as an interchange for HF29251. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ V0372V3C03 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists V0372V3C03 as an interchange for HF29251. 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 HF29251 model number is decoded
- HF29251Fleetguard HF-series hydraulic cartridge element part number.
- 320 mmOverall height.
- 93.5 mmLargest outside diameter.
- 48.6 mmLargest end inside diameter.
- 3 µm at β200(c); 4.5 µm at β1000(c) per ISO 16889Published efficiency ratings.
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 are the dimensions of the HF29251 filter element?
The published envelope is 93.5 mm OD × 320 mm length with a 48.6 mm inside diameter (3.681 × 12.598 in × 1.913 in ID). Confirm against the housing drawing before ordering.
What replaces the HF29251 filter element?
30 partial match(es) requiring parameter review
How do I read the HF29251 part number?
See the designation decoder above: each segment of HF29251 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 3 catalog element(s) share the 94×320 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.
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.