Fleetguard · HF Hydraulic · inline line
HF6168 filter element: specifications & equivalents
The HF6168 is a Fleetguard inline-line hydraulic filter element, sized 151.66 × 460.25 mm OD × length, rated at 9 µm absolute (9 µm at β75(c); 11 µm at β200(c) per ISO 16889). Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 151.66 × 460.25 mm
Filtration rating 9 µm abs.
Beta rating 9 µm at β75(c); 11 µm at β200(c) per ISO 16889
Collapse / burst 7 bar
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 |
| Filtration rating | 9 µm |
| Rating basis | absolute |
| Beta ratio | 9 µm at β75(c); 11 µm at β200(c) per ISO 16889 |
| Outside diameter OD | 151.66 mm |
| Length | 460.25 mm |
| End caps | open-ended cartridge element |
| Collapse / burst pressure | 7 bar |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF6168 |
| 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 | 151.66 mm (5.971 in) |
| Overall length | 460.25 mm (18.120 in) |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 1140 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 1140 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 176028H2 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 176028H2 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 187503H1 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 187503H1 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 3I1363 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 3I1363 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 420 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 420 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ 51140 | WIX Filters | partial | Fleetguard's online catalog lists 51140 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 551140 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 551140 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 6437988 page in verification queue | UFI | partial | Fleetguard's online catalog lists 6437988 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 6724902 page in verification queue | UFI | partial | Fleetguard's online catalog lists 6724902 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 811 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 811 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 85140 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 85140 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 877826C1 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 877826C1 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 877826C2 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 877826C2 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 877826C3 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 877826C3 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 877826C4 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 877826C4 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 92140 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 92140 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 92151017 page in verification queue | UFI | partial | Fleetguard's online catalog lists 92151017 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ BP618 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists BP618 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ C1658 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists C1658 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ C1658A page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists C1658A as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CE1264H page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists CE1264H as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CW140MP page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists CW140MP as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ EP302 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists EP302 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FA204H page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FA204H as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FF462 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FF462 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FH14 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FH14 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ G923 page in verification queue | Parker | partial | Fleetguard's online catalog lists G923 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ H60302 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists H60302 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HF0616800 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HF0616800 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HF716 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HF716 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HFP557826 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HFP557826 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ L990 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists L990 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ LFP60285 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists LFP60285 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ LP60285 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists LP60285 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ N2003 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists N2003 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P557826 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P557826 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P716 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P716 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P779114 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P779114 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PF444 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PF444 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PF559 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PF559 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PL420 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PL420 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PM353 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PM353 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ PT212-5 | Baldwin Filters | partial | Fleetguard's online catalog lists PT2125 as an interchange for HF6168. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ PT212-5 | Baldwin Filters | partial | Baldwin's Form 561 Number-Finder cross-reference lists HF6168 (FLEETGUARD) as replaced by Baldwin PT212-5. 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 HF6168 model number is decoded
- HF6168Fleetguard HF-series hydraulic cartridge element part number.
- 460.25 mmOverall height.
- 151.66 mmLargest outside diameter.
- 9 µm at β75(c); 11 µm at β200(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 HF6168 filter element?
The published envelope is 151.66 mm OD × 460.25 mm length (5.971 × 18.120 in). Confirm against the housing drawing before ordering.
What micron rating does HF6168 use?
This element is rated 9 µm absolute — 9 µm at β75(c); 11 µm at β200(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 HF6168 filter element?
44 partial match(es) requiring parameter review
How do I read the HF6168 part number?
See the designation decoder above: each segment of HF6168 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.