Fleetguard · HF Hydraulic · return line
HF6051 filter element: specifications & equivalents
The HF6051 is a Fleetguard return-line hydraulic filter element. Verify against the current manufacturer data sheet before ordering.
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 |
| End caps | spin-on baseplate with attached gasket |
| Flow direction | outside-in |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF6051 |
| 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 |
|---|---|---|---|
|
↔ 103 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 103 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 14155 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 14155 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 14168 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 14168 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 1707 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 1707 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 1713 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 1713 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 19674 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 19674 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 19950 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 19950 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 2229002 page in verification queue | UFI | partial | Fleetguard's online catalog lists 2229002 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 2229017 page in verification queue | UFI | partial | Fleetguard's online catalog lists 2229017 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 23013624 page in verification queue | UFI | partial | Fleetguard's online catalog lists 23013624 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 2466849 page in verification queue | UFI | partial | Fleetguard's online catalog lists 2466849 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 3410253 page in verification queue | UFI | partial | Fleetguard's online catalog lists 3410253 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 35159966 page in verification queue | UFI | partial | Fleetguard's online catalog lists 35159966 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 51707 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 51707 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 51713 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 51713 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 53924K page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 53924K as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 5613 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 5613 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 58707 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 58707 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 58713 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 58713 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 6015 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 6015 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 6438819 page in verification queue | UFI | partial | Fleetguard's online catalog lists 6438819 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 7612 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 7612 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 7613 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 7613 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 7614 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 7614 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 7712 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 7712 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 8121065 page in verification queue | UFI | partial | Fleetguard's online catalog lists 8121065 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 8123042 page in verification queue | UFI | partial | Fleetguard's online catalog lists 8123042 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 85707 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 85707 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 85713 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 85713 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 90110 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 90110 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ 915 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 915 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ AT36 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists AT36 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ AT9 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists AT9 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ ATI1015 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists ATI1015 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ B30 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists B30 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ FK612776A page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FK612776A as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ FT1015 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FT1015 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ FT1031 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FT1031 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ FT1039 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FT1039 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ FT1039DP page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FT1039DP as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ FT1053 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FT1053 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ FT15 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FT15 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ GF517 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists GF517 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ HF0605100 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HF0605100 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ HTF17 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HTF17 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ J8123042 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists J8123042 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ M3515996 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists M3515996 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ P1174 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P1174 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ P215 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P215 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ P215S page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P215S as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ P232S page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P232S as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ PF173 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PF173 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ PMT31 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PMT31 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ S453 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists S453 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ T233 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists T233 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ T412 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists T412 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ T614 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists T614 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ TF24 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TF24 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ TF38 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TF38 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ TF4 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TF4 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ TF42 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TF42 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ TF61 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TF61 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ TX26 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TX26 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
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↔ TX34 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TX34 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ VT11 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists VT11 as an interchange for HF6051. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ VT12 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists VT12 as an interchange for HF6051. 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 HF6051 model number is decoded
- HF6051Fleetguard HF-series hydraulic spin-on filter part number.
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 HF6051 filter element?
66 partial match(es) requiring parameter review
How do I read the HF6051 part number?
See the designation decoder above: each segment of HF6051 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.