Fleetguard · HF Hydraulic · return line
HF6858 filter element: specifications & equivalents
The HF6858 is a Fleetguard return-line hydraulic filter element, sized 54 × 230 mm OD × length (ID 27.4 mm), rated at 28 µm absolute (28 µm at β75(c) per ISO 16889). Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 54 × 230 mm
Inside diameter 27.4 mm
Filtration rating 28 µm abs.
Beta rating 28 µm at β75(c) per ISO 16889
Collapse / burst 20 bar
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 |
| Filtration rating | 28 µm |
| Rating basis | absolute |
| Beta ratio | 28 µm at β75(c) per ISO 16889 |
| Outside diameter OD | 54 mm |
| Inside diameter ID | 27.4 mm |
| Length | 230 mm |
| End caps | spin-on baseplate with attached gasket |
| Flow direction | outside-in |
| Rated flow | 30 L/min |
| Collapse / burst pressure | 20 bar |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF6858 |
| 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 | 54 mm (2.126 in) |
| Inside diameter | 27.4 mm (1.079 in) |
| Overall length | 230 mm (9.055 in) |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 280259 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 280259 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 45353 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 45353 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 73832284 page in verification queue | UFI | partial | Fleetguard's online catalog lists 73832284 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 906040084 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 906040084 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 938348Q page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 938348Q as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CCH1352FV1 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists CCH1352FV1 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CH1352FV11 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists CH1352FV11 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CHP422BXN page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists CHP422BXN as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CHP422F25XN page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists CHP422F25XN as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CHP422HXN page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists CHP422HXN as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ D131C10A page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists D131C10A as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ D131C25A page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists D131C25A as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ D131G25A page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists D131G25A as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ D49A25GAV page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists D49A25GAV as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FI776 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FI776 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FI777 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FI777 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FP1352AA25N page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FP1352AA25N as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FP1352AP25N page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FP1352AP25N as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HF0685800 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HF0685800 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HHC01918 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HHC01918 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HHC01919 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HHC01919 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HI204637 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HI204637 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP1352A25AN page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HP1352A25AN as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP1352A25NA page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HP1352A25NA as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP1352P25AN page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HP1352P25AN as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HP13NL925MB page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HP13NL925MB as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HY18336 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HY18336 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ LND410B25 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists LND410B25 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MF0058644 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists MF0058644 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ P171739 | Donaldson | partial | Fleetguard's online catalog lists P171739 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PSH1351925GV page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PSH1351925GV as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ PT8978-MPG | Baldwin Filters | partial | Fleetguard's online catalog lists PT8978MPG as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ S0079827453 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists S0079827453 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SF13DN925UM page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SF13DN925UM as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH63957 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SH63957 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WGH9268 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WGH9268 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ Y05790509 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists Y05790509 as an interchange for HF6858. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ Y05790905 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists Y05790905 as an interchange for HF6858. 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 HF6858 model number is decoded
- HF6858Fleetguard HF-series hydraulic spin-on filter part number.
- 230 mmOverall height.
- 54 mmLargest outside diameter.
- 27.4 mmLargest end inside diameter.
- 28 µm at β75(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
- 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 are the dimensions of the HF6858 filter element?
The published envelope is 54 mm OD × 230 mm length with a 27.4 mm inside diameter (2.126 × 9.055 in × 1.079 in ID). Confirm against the housing drawing before ordering.
What micron rating does HF6858 use?
This element is rated 28 µm absolute — 28 µm at β75(c) per ISO 16889. Always compare Beta ratings at the same test point: two brands may print different micron numbers for the same physical grade.
What replaces the HF6858 filter element?
38 partial match(es) requiring parameter review
How do I read the HF6858 part number?
See the designation decoder above: each segment of HF6858 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.