Fleetguard · HF Hydraulic · return line
HF35299 filter element: specifications & equivalents
The HF35299 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 |
| Length | 200.66 mm |
| End caps | spin-on baseplate with attached gasket |
| Flow direction | outside-in |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF35299 |
| 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 |
|---|---|---|---|
|
↔ 1535369 page in verification queue | UFI | partial | Fleetguard's online catalog lists 1535369 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 400185 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 400185 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 557404 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 557404 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ 57404 | WIX Filters | partial | Fleetguard's online catalog lists 57404 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 7404 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 7404 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 84237580 page in verification queue | UFI | partial | Fleetguard's online catalog lists 84237580 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 84404 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 84404 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 85826020 page in verification queue | UFI | partial | Fleetguard's online catalog lists 85826020 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 85826021 page in verification queue | UFI | partial | Fleetguard's online catalog lists 85826021 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 85826022 page in verification queue | UFI | partial | Fleetguard's online catalog lists 85826022 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 89842392 page in verification queue | UFI | partial | Fleetguard's online catalog lists 89842392 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 91404 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 91404 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 944053Q page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 944053Q as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 95292 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 95292 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 9800633 page in verification queue | UFI | partial | Fleetguard's online catalog lists 9800633 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 9842392 page in verification queue | UFI | partial | Fleetguard's online catalog lists 9842392 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 9842392CDS page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 9842392CDS as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 9842392DS page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 9842392DS as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ AT314164 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists AT314164 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ AT367635 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists AT367635 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ BT23619MPG page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists BT23619MPG as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ BT8848-MPG | Baldwin Filters | partial | Fleetguard's online catalog lists BT8848MPG as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HF984 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HF984 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ KV12276 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists KV12276 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ L9842392 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists L9842392 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ LFH8759G page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists LFH8759G as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ M124541 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists M124541 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MG9800633 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists MG9800633 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MG9842392 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists MG9842392 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P174552 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P174552 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P8576 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P8576 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH66056 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SH66056 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SL10039 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SL10039 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WH10005 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WH10005 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WH9011 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WH9011 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WL10185 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WL10185 as an interchange for HF35299. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WOH501 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WOH501 as an interchange for HF35299. 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 HF35299 model number is decoded
- HF35299Fleetguard HF-series hydraulic spin-on filter part number.
- 200.66 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 HF35299 filter element?
37 partial match(es) requiring parameter review
How do I read the HF35299 part number?
See the designation decoder above: each segment of HF35299 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.