Fleetguard · HF Hydraulic · return line
HF29191 filter element: specifications & equivalents
The HF29191 is a Fleetguard return-line hydraulic filter element, built with microglass media. Verify against the current manufacturer data sheet before ordering.
Media Microglass
Line type return
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 | return line |
| Media | Microglass |
| Length | 361.7 mm |
| End caps | spin-on baseplate with attached gasket |
| Flow direction | outside-in |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF29191 |
| 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 |
|---|---|---|---|
|
↔ 400423 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 400423 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 84162480 page in verification queue | UFI | partial | Fleetguard's online catalog lists 84162480 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 84189327 page in verification queue | UFI | partial | Fleetguard's online catalog lists 84189327 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 84189328 page in verification queue | UFI | partial | Fleetguard's online catalog lists 84189328 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 84240234 page in verification queue | UFI | partial | Fleetguard's online catalog lists 84240234 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FH2077 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FH-2077 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ P569212 | Donaldson | partial | Fleetguard's online catalog lists P569212 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RE310653 page in verification queue | STAUFF | partial | Fleetguard's online catalog lists RE310653 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RE577060 page in verification queue | STAUFF | partial | Fleetguard's online catalog lists RE577060 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RE577612 page in verification queue | STAUFF | partial | Fleetguard's online catalog lists RE577612 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RE589304 page in verification queue | STAUFF | partial | Fleetguard's online catalog lists RE589304 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RE590270 page in verification queue | STAUFF | partial | Fleetguard's online catalog lists RE590270 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH66246 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SH66246 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH66265 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SH 66265 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH66292 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SH66292 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WH1260 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WH1260 as an interchange for HF29191. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WL10423 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WL10423 as an interchange for HF29191. 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 HF29191 model number is decoded
- HF29191Fleetguard HF-series hydraulic spin-on filter part number.
- 361.7 mmOverall height.
Typical equipment & applications
- Construction, agricultural and industrial hydraulic circuits
- Mobile-equipment hydraulic return and pressure lines
Selection pitfalls — read before you substitute
- A return-line element is not a pressure-line element: return cartridges (BN4HC low-collapse) tolerate roughly 20 bar differential, while BH4HC pressure executions are rated to 210 bar. Installing a low-collapse element in a pressure housing can rupture the media on cold-start spikes.
- This element has no integral bypass — opening pressure is set by the housing’s reusable bypass valve. Confirm the valve setting (commonly 3.4 bar) is present before fitting.
- “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 HF29191 filter element?
17 partial match(es) requiring parameter review
How do I read the HF29191 part number?
See the designation decoder above: each segment of HF29191 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.